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The Best Rj45 Splitter of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Rj45 Splitter of 2023. Check our ranking below.

2,570 Reviews Scanned

Rank No. #1

2Pack RJ45 Ethernet Splitter Cable Network Adapter 1 Male to 2 Female, Suitable Super Cat5, Cat5e, Cat6, Cat7 Connector LAN Ethernet Cables Internet Adapter, Black

💠Multi-Function: You can easily convert the RJ45 connection to two RJ45 sockets, allowing two computers to share high-speed DSL, cable modem and Ethernet ports without the need for a router.
💠The BEST Design: This RJ45 1 to 2 Ethernet Cable Splitter solves the problem of avoiding pulling cables back and forth. Compatible with Cat5/Cat5e/Cat6/Cat7.
💠The BEST Material: 2mm Thick PCB board is embedded in the conductive circuit to avoid damage to the conductor and leakage. Ensure a longer service life.
💠Pure Copper Gold-Plated Needle with Eight Cores: Excellent connection and transmission performance. The fixed RJ45 female interface can shield external electromagnetic signal interference to prevent damage to the Internet signal. The screw hole panel can be fixed to the wall panel.
💠NOTE: RJ45 Ethernet Splitter does not support two devices to surf the Internet at the same time! Only one device can be connected to the Internet at a time.

Rank No. #2

RJ45 Ethernet Splitter Cable, RJ45 Splitter LAN Ethernet Network Extension Cable Adapter Suitable Super Cat5, Cat5e, Cat6, Cat7 LAN Ethernet Socket Connector Adapter (2 Port Ethernet Splitter)

Product Advantages:This ethernet male to female splitter adapter lan cable solves the problem of avoiding pulling cables back and forth. RJ45 Ethernet Splitter Cable can also be used as an extension.Compatible with Category 5 Ethernet,Category 5e Ethernet,Category 6 Ethernet,Category 7 Ethernet
Multi-Function Ethernet Cable Splitter: You can easily convert the RJ45 connection to two RJ45 sockets, allowing two computers to share high-speed DSL,cable modem and Ethernet ports without the need for a router,extending an RJ45 socket to two standard 8P8C designs
NOTE: Ethernet Splitter does not support two devices to surf the Internet at the same time! Only one device can be connected to the Internet at a time.
High Quality Material: 2mm thick PCB board embedded conductive circuit to avoid damage to the conductor leakage. Ensure a longer service life.Pure copper plated gold needle (eight core): more stable transmission, excellent connection and transmission. The fixed RJ45 female interface shields external electromagnetic signal interference to prevent damage to the Internet signal.Transmission is more stable, it has a superior connection and transmission.Solve the router port number is not enough
Simple to use:plug and play, no drivers are required. A notebook in three different fixed position often back and forth use, this is a very trouble, the network cable to lead to broken, this rj45 1 to 2 ways RJ45 ethernet splitter help you do not have to pull back and forth cable. The screw hole panel can be fixed to the wall panel.

Rank No. #3

RJ45 Network Ethernet Splitter 1 2 Cable Adapter Male to 2 Female, Suitable Super Cat5-7, Cmpatible with ADSL, Hubs, TVs, Set-top Boxes, Routers, Wireless Devices, Computers

【RJ45 Ethernet Splitter Multi-Function】You can easily convert the RJ45 connection to two RJ45 sockets, allowing two computers to share high-speed DSL, cable modem and Ethernet ports without the need for a router.
【PLEASE NOTE】You cannot use this RJ45 Ethernet splitter Adapter to make two computers surf the Internet at the same time, and support one computer to connect to the Internet at a time.
【High-quality Material】2mm Thick PCB board is embedded in the conductive circuit to avoid damage to the conductor and leakage. Ensure a longer service life.
【Pure Copper Gold-Plated Needle with Eight Cores】Excellent connection and transmission performance. The fixed RJ45 female interface can shield external electromagnetic signal interference to prevent damage to the Internet signal. The screw hole panel can be fixed to the wall panel.
【Excellent Design】This RJ45 1 to 2 Ethernet splitter solves the problem of avoiding pulling cables back and forth. Compatible with Cat5/Cat5e/Cat6/Cat7.rt one computer to connect to the Internet at a time.

SaleRank No. #4

2 Pack-Liakai RJ45 Ethernet Splitter Connector Adapter,Compatible with Cat7, Cat6, Cat5e Cables - Black (Two Ports Can Work at The Same Time)

◆ Ethernet splitter connector Usage: (1) Use a single adapter : It can be used as ethernet cable extender, but only port 1 available to be used. (2) Use a pair of adapter: One network can be divided into two, enabling two devices online at the same time. Reference product display picture,Product contains instructions for use.
◆ Working principle: Internet splitter adapter is to devide one original pre-embedded network cable (8 cores) into two groups(1236/4578), respectively, transmit date. Lan splitter is purely physical connection, and does not have the function of assigning IP address, also not with the router or switch. Two groups signal transmission do not interfere with each other. A pairs must be used when installing.
◆ Stable transmission: The network splitter ethernet built-in thick environmental protection PCB circuit board, RJ45 eight-core standard jack, gold-plated pin core, integrated mechanical welding, more stable transmission signal, superior contact and transmission performance, ensure signal transmission, durable.
◆ Safety and stability: environmental protection and flame retardant ABS plastic shell, fixed RJ45 interface, 8 TVS gas discharge tube lightning protection technology, shielding electromagnetic interference, preventing network signal loss or damage. RJ45 splitter connector can also safely use the network during thunderstorms. Ethernet cable splitter meets the performance requirements of cat5 / cat5e / cat6 / cat7 network cables.
◆ Precautions: RJ45 splitter adapter is to resolve connection problem caused by insufficient cords,through the physical tap way connection to achieve network split in half so that enables two devices online at the same time, plug and play, and don't need to set. This ethernet spiltter adapter is different from 1 to 3 network splitter, as 1 to 3 one can't allow two devices to be online at the same time.

Rank No. #5

RJ45 Splitter Connectors Adapter 1 to 2 Ethernet Splitter Coupler Double Socket HUB Interface Contact Modular Plug Connect Network LAN Internet Cat5 Cat6 Cable 2 Pack (CAN'T RUN BOTH AT THE SAME TIME)

❤【SURF THE INTERNET IN TWO PLACE】-- This RJ45 Splitter Connectors Coupler Convert And Increase Your reticle connection from 1 To 2 sockets,then you can use your computer or laptop in two room or place.
❤【EXTEND SHORT CABLE】-- it can easy to deal with the connect problem when your cable is too short
❤【NOTICE:CAN'T RUN BOTH AT THE SAMT TIME】-- This is not router,the two device can't surf the Internet at the same time! This is just a splitter
❤【TRANSMISSION MORE STABLE】-- Eight Core Gold-plated Needle Core: Using gold pated needle core,Transmission signal is more stable.It is superior contact and transmission performance to ensure that the signal transmission.
❤【ANTI-INTERFERENCE】-- Metal Shield Both Solid,Fixed RJ45 interface,Shielding the outside world EML,RFI Such as electromagnetic interference, to prevent damage, to the lack of network signals.

Rank No. #6

RJ45 Network Splitter Adapter Cable, Sartyee RJ45 1 Male to 2 Female Socket Port LAN Ethernet Network Splitter Y Adapter Cable Suitable for Super Category 5 Ethernet, Category 6 Ethernet and More

ALife RJ45 Ethernet Splitter allow 2 computers to share high speed DSL, cable modem or other Ethernet ports.NOTE: Don't support 2 computers that connect to the internet simultaneously, ONLY 1 output port is working.
⚫Extensive Compatibility: Suitable for equipment with RJ45 interface, computer router, network box, optical modem, can be used as an extension, compatible with Cat5, Cat5e, Category 6 and Category 7.
⚫Extensive Compatibility: Suitable for equipment with RJ45 interface, computer router, network box, optical modem, can be used as an extension, compatible with Cat5, Cat5e, Category 6 and Category 7.
⚫Plug and Play: This RJ45 1 to 2 RJ45 Ethernet splitter can help you avoid pulling cables back and forth, Installation simple and easy to use.
⚫Enjoy High-speed Internet Access: watching movies, chasing dramas, surfing the Internet, playing games, etc., lossless transmission rate is fast, so that buffering is faster without waiting.

Rank No. #7

RJ45 Ethernet Cable Splitter Network Adapter,Ethernet Splitter 1 to 2 Cable Adapter Suitable Super Cat5, Cat5e, Cat6, Cat7 LAN Ethernet Socket Connector Adapter LAN Splitter (1to2)

【Ethernet Splitter 1 to 2】Does not support 2 computers connected to the internet at the same time. (Note: This product is not a switch, so two computers cannot share the Internet at the same time, only one output port is supported.)
【Compatibility】This 1 to 2 RJ45 Ethernet splitter helps you avoid pulling cables back and forth and avoiding cable breaks.It can compatible with ADSL, hubs, switch, TV, set-top box, router, wireless device, computer, Suitable for Cat5, Cat5e, Cat6, Cat7.
【Excellent Connection and Transmission Performance】Ethernet cable splitter use gold pated needle core, metal shield, fixed RJ45 interface, shielding the outside world EML, RFI Such as electromagnetic interference, transmission signal is more stable to ensure that the signal transmission.
【The Best Design】Use this RJ45 splitter when you regularly use a laptop in 2 different two rooms, it helps you not have to pull your network cable back and forth between the two rooms and you don't have to worry about not having internet in your room.
【NOTE】When you are connected to two devices, you can flexibly switch network connections by clicking the Disconnect Network and Connect to Network programs in both devices.You will need to turn off the automatic networking feature of the device in Settings or unplug the device that is not connected. Otherwise, neither device will be able to connect to the network because the two devices preempt each other's network.

Rank No. #8

Poyiccot Ethernet Splitter 1 to 2 Adapter, RJ45 Splitter Network Adapter 1 Female to 2 Port Female CAT 5/CAT 6 LAN Splitter Ethernet Socket Connector 8P8C Extender with PCB Board Inside

RJ45 Ethernet Splitter it is easily convert your RJ45 connection in to two RJ45 sockets with this network splitter.
Ethernet splitter 1 to 2 connector can allow two computers to share high speed DSL, cable modem and Ethernet ports.
NOTE: This Ethernet splitter allows two computers to share one Ethernet line ONE AT A TIME, but it doesn't support both computer to connect onto the internet simultaneously (ONLY ONE Female Port Workable At A time).
This rj45 1 to 2 ways RJ45 ethernet splitter help you do not have to pull back and forth cable. As well as it can be used as an extension. It made of outstanding material with a stable transmission. It can compatible with Cat5, Cat5e, Cat6, Cat7.Package Contents: 1 x LAN Splitter Adapter
Package Contents: 1 x LAN Splitter Adapter

Rank No. #9

Poyiccot RJ45 Splitter Adapter, Ethernet Splitter 1 to 2 Network Adapter CAT 5/CAT 6 LAN Splitter Ethernet Socket Connector Adapter 1 Pair

This rj45 splitter adapter is mainly used to solve the connection problem caused by insufficient wiring, and it can make two devices surf the Internet at the same time by means of the physical tapping method. Note： (Two Female Port Workable Simultaneously)
The rj45 ethernet splitter 1 to 2 adapter divide original embedded Ethernet cables (8pins) into two groups (1234/5678). Two groups respectively transmit data with purely physical connection which don't have the function of the assign IP addresses.
RJ45 Network Adapter Connection method: if two computer need internet stimultanously, so when the router away from the computer, only need one 8 core cable in the middle of two rj45 splitter, but you need two computer at the same time, please using this method, as picture 4 instruction. Note: Installing and using this pair of adapters, pay attention to the port, port 1 corresponds to port 1 , port 2 to port 2, can't be reversed.
This rj45 network splitter adapter is not the same as a network router or network switch, it doesn't have the function of the assign IP addresses.Three Connection Ways: 1. Two computers to share one Ethernet line AT SAME TIME 2. Routers and set-top box can be simultaneously networked 3. Make use of routers to loop the signal to other devices.
Note: One Pair RJ45 splitters Must be used Together, Only one piece could not accomplish two devices with network at the same time. Easy to operate,save cost,configure and use.

Rank No. #10

Ethernet Splitter, AKWOR RJ45 1 Male to 2 Female LAN Ethernet Cable Splitter Suitable Super Cat5, Cat5e, Cat6, Cat7 LAN Ethernet Socket Connector Adapter…

RJ45 Ethernet Splitter Multi-Function: You can easily convert the RJ45 connection to two RJ45 sockets, allowing two computers to share high-speed DSL, cable modem and Ethernet ports without the need for a router.
The BEST Design: This RJ45 1 to 2 RJ45 Ethernet splitter solves the problem of avoiding pulling cables back and forth. Compatible with Cat5/Cat5e/Cat6/Cat7.
The BEST Material: 2mm Thick PCB board is embedded in the conductive circuit to avoid damage to the conductor and leakage. Ensure a longer service life.
Pure Copper Gold-Plated Needle with Eight Cores: Excellent connection and transmission performance. The fixed RJ45 female interface can shield external electromagnetic signal interference to prevent damage to the Internet signal. The screw hole panel can be fixed to the wall panel.
NOTE: You cannot use this RJ45 Ethernet splitter Adapter to make two computers surf the Internet at the same time, and support one computer to connect to the Internet at a time.

Rank No. #11

Ethernet Splitter，Rj45 Ethernet Splitter 1 to 2 As a Internet Splitter for Support Two Device to Access The Network Simultaneously. (2 Pack)

When using this ethernet splitter alone to access the network, only one device can be connected to the network. When two network splitters are used to connect two devices at the same time, the two devices can work at the same time. If your using model does not meet our picture display type, please contact me before purchasing.
This ethernet cable splitter is compatible with Cat5, Cat5e, Cat6, Cat7 and other network environments, and the network operation connection between wireless network equipment terminals, such as hubs, digital TVs, switches, set-top boxes, routers, ADSL, hubs and other devices.
This lan splitter shields external EML/PFL and other electromagnetic interference. Even if we use lan cable splitter to connect to the Internet during a thunderstorm, we can safely access the Internet, and the transmission is stable and interference-free.
This cat5 splitter is made of ABS environmentally friendly materials, thicker PCB board, gold-plated pins, and metal shielding layer; this cat6 splitter uses advanced socket design to make your plug-in more comfortable and safer, and it is more convenient to design closed insulated modules. It is safer to use.
The port of this network splitter is a fixed RJ45 interface and oxygen-free copper (OFC), which can ensure stable signal transmission. The speed test of this cat5e splitter can reach the speed of connecting to 0.1 Gb Ethernet, of course, the network speed will drop slightly, this is a normal phenomenon.

Rank No. #12

RJ45 Network 1 to 2 Port Ethernet Adapter Splitter, RJ45 1 Male to 2 Female LAN Ethernet Splitter Adapter Cable Suitable Super Cat5, Cat5e, Cat6, Cat7 LAN Ethernet Socket Connector Adapter

1. This RJ45 1 male to 2 female ethernet splitter made of high quality materials and has a smooth transmission.It can compatible with Cat5, Cat5e, Cat6, Cat7 and so on.
2. It's a multi-function ethernet cable splitter, allowing 2 computers to share high-speed ethernet ports without the need for a router.
3. This RJ45 splitter has long service life.Transmission is more stable, it has a superior connection and transmission.
4. Pay attention: You cannot use 2 computers at the same time using this splitter, only support one at one time.
5. The package includes 1x RJ45 Y Splitter Adapter Cable. If you have any problems please do not hesitate to contact us, we promise to reply you within 24 hours.

Rank No. #13

RJ45 Network Splitter Adapter Cable, RJ45 1 Male to 2 Female Socket Port LAN Ethernet Network Splitter Y Adapter Cable Suitable for Super Category 5 Ethernet, Category 6 Ethernet and More

This RJ45 Ethernet Splitter allow 2 computers to share high speed DSL, cable modem or other Ethernet ports.NOTE: Don't support 2 computers that connect to the internet simultaneously, ONLY 1 output port is working.
This RJ45 Ethernet Splitter is not a switch so that it can not implement 2 computers sharing the internet at the same time.
Transmission is more stable, it has a superior connection and transmission.
Application: When you often use a laptop in 2 different fixed position, using this RJ45 splitter, you don't have to worry about no Internet in your rooms.
Installation simple and easy to use.

Rank No. #14

RJ45 Network Splitter Adapter,Wuedozue 1 to 2 Dual Female USB to RJ45 Port with USB Power Cable LAN Interface Ethernet Socket Connector 8P8C Extender Plug Go Online Simultaneously for Cat6, Cat7

[Go Online Simultaneously]RJ45 eight-core standard jack. The adapter splits the original embedded Ethernet cable (8 pins) into two groups. Use the USB power supply cable and support two computers to share one Ethernet line simultaneously.
[Transfer Speed] RJ45 Ethernet splitter can divide a network cable into two outputs, the speed of each cable group (1 and 2) can only reach 100Mbps.And the signal transmission of two cable groups will not interfere with each other.The total input supports up to 1000Mbps.
[Extension Network Adapter]Wuedozue RJ45 ethernet splitter can as extension connector that does not affect internet speed. Feel free to enjoy your internet surfing.Meets Cat 5 / Cat 5e / Cat 6 / Cat 7 performance requirement.
[Excellent Materials]This RJ45 socket splitter adopts environmental PVC and built-in thick PCB motherboard is durable. Ensure signal transmission security.Metal Shield: Shielding disturb of electromagnetic, to prevent loss or damage the network signals.
[Size and Warranty] Wuedozue RJ45 usb adapter with 1.2 meters USB power supply cable.Dimension : 4cm x 3.5cm x 2.1cm. This 1 to 2 ethernet RJ45 splitter with 12 moths warranty. If you have any problems, please contact us any time.

Rank No. #15

RJ45 Network Ethernet Splitter Cable, Goodeliver Ethernet Splitter 1 Male to 2 Female, Suitable Super Cat5, Cat5e, Cat6, Cat7

1. This RJ45 1 male to 2 female ethernet splitter made of high quality materials and has a smooth transmission.It can compatible with Cat5, Cat5e, Cat6, Cat7 and so on.
2. It's a multi-function ethernet cable splitter, allowing 2 computers to share high-speed ethernet ports without the need for a router.
3. This RJ45 splitter has long service life.Transmission is more stable, it has a superior connection and transmission.
4. Pay Attention: You cannot use 2 computers at the same time using this splitter, only support one at one time.
5. The package includes 1x RJ45 Y Splitter Adapter Cable. If you have any problems please do not hesitate to contact us, we promise to reply you within 24 hours.

Rank No. #16

(1-Pair) RJ45 Splitter Adapter,SinLoon Ethernet Cable Splitter Cat5, Cat5e, Cat6, Cat7,RJ45 Network Extension connector Ethernet Cable Sharing Kit with 2 PCS Cat6 Cable for Router TV BOX Camera PC L

SinLoon Ethernet splitter Specially idear for Solve theNetwork wifi signal weak and connection problem caused by insufficient wiring: such as the basement, the attic, the remote house, 2 or more devices online
the 1-pair rj45 8P8C LAN Ethernet Splitter connector is compatible with Cat 7 Cat6 Cat5 Cat5e Network Ethernet Cable and can compatible with ADSL, hubs, switch, TV, set-top box, router, wireless device, computer,etc.
Please follow the images instructions to use a pair of RJ45 Splitter Coupler at the same time.The speed of each cable groups (1 and 2) can only reach 100 megabytes.And the signal transmission of two cable groups are not interfered with each other.RJ45-A interface port"1" is corresponding to RJ45-B interface port"1".RJ45-A interface port"2" is corresponding to RJ45-B interface port"2".They can't be reversed.
The adapter divide original embedded Ethernet cables (8pins) into two groups (1236/4578). Two groups respectively transmit data with purely physical connection which don't have the function of the assign IP addresses.
This adapter is not the same as a network router or network switch without the function of the assign IP addresses.

Rank No. #17

RJ45 Ethernet Splitter Cable,RJ45 1 Male to 3 x Female LAN Ethernet Splitter Adapter Cable Suitable Super Cat5, Cat5e, Cat6, Cat7 LAN Ethernet Socket Connector Adapter

This RJ45 1 to 3 RJ45 Ethernet splitter helps you avoid pulling cables back and forth and avoiding cable breaks.It can also be used as an extension, it is made of high quality materials and has a smooth transmission.It can compatible with ADSL, hubs, switch, TV, set-top box, router, wireless device, computer, Suitable for Cat5, Cat5e, Cat6, Cat7.Please read the product description carefully before purchasing, including the scope of application and precautions.
Use this network splitter to easily convert an RJ45 connection to two RJ45 sockets. Allows two computers to share high-speed DSL,cable modems and Ethernet ports without the need for a router,extending an RJ 45 socket to two standard 8P8C designs.This is not router,the two device can't surf the Internet at the same time! This is just a splitter
2mm thick PCB board embedded conductive circuit to avoid damage to the conductor leakage. Ensure a longer service life.Pure copper plated gold needle (eight core): more stable transmission, excellent connection and transmission. The fixed RJ45 female interface shields external electromagnetic signal interference to prevent damage to the Internet signal.Transmission is more stable, it has a superior connection and transmission.The screw hole panel can be fixed to the wall panel.
Solve the router port number is not enough:This adapter Advantage Design: A notebook in three different fixed position often back and forth use, this is a very trouble, the network cable to lead to broken, this rj45 1 to 3 ways RJ45 ethernet splitter help you do not have to pull back and forth cable.
NOTE: This is a high quality product with PCB board inside. But Beware that Ethernet splitter will not make two Ethernet ports from one, meaning that you cannot use two computers at the same time using this splitter. ONE AT A TIME ,doesn't support all computer to connect onto the internet simultaneously.

Rank No. #18

RJ45 LAN Splitter, Honttevis Ethernet Splitter 1 to 2 high Speed, Internet Splitter LAN Network Cable Splitter Connector Adapter Compatible with Cat5, Cat5e, Cat6, Cat7 Cable. (A-Pair White)

【Outstanding Feature】Honttevis Ethernet cable splitter, enable two devices to access the internet at the same time. (Must be used in pairs). And lan splitter 1 to 2 can be used alone as the network cable extension,and only connect the interface 1.
【Excellent Design】RJ45 splitter is a female interface to 2 female interfaces design, network cable splitter is mainly used to solve the connection problem caused by insufficient wiring, and achieved two computers to access the internet at the same time, you can use your laptop in two rooms.
【High Quality】LAN cable splitter is made of High quality PCB board + Environmental protection PVC material, realize internet splitter 1 in 2 high speed signal transmission. Durable, safe, plug and play.
【High speed & Compatible】Ethernet splitters can reach 100Mbps transmission speed, and the network splitter connector is compatible with Cat5, Cat5e, Cat6, Cat7 network Cable.
【Note】The cat 7 / cat6 splitter need to be used in pairs, achieve two devices to access the internet at the same time. Please kindly refer to the user manual & picture instruction.

SaleRank No. #19

GizmoVine Ethernet Splitter [2021 Upgraded] 1 to 2 Connector for RJ45 Cat5 Cable Adapter (2 Pack)

【Premium Performance】The ethernet LAN splitter port is Oxygen-free copper(OFC) and fixed RJ45 interface, ensuring a stable signal transmission. The speed performance test of this 2 port ethernet splitter can go up to 100Mbps for cat5 etherner cable, And it can connect with the terminal of the wireless network equipment，such as coumpter，hub, rounter，switch，set-top box，ADSL，digital TV and so on.
【Stable Function】The ethernet splitter can divide a network cable into two outputs, provide a network with two devices and access the Internet simultaneously if you use a pair of the network cable splitter.
【Correct Connection Method】Hook up your router/switch to the RJ45 Splitter → Connect RJ45 Splitter to the embedded wall cable → Connect other side of the wall cable to the second RJ45 Splitter,and you could use the 2 network ports at the same time → Attention! You must use two cables to connect the router/switch simultaneously if you want 2 device networks at the same time.If you do not use correct connection, it will reduce network speed or disconnect.
【Great Safety】The internet cable splitter is shielding the external EML/PFL to prevent damage and other electromagnetic interference. This ethernet splitter adapter can also use the network safely in thunder weather.
【High Quality】The ethernet modem splitter is built in thickened PCB Board. Gold plated needle core, integrated mechanical welding, environment protection PVC shell make the 2 way ethernet splitter robust and durable, reducing daily wear and tear.

Rank No. #20

CERRXIAN RJ45 Splitter Adapter , RJ45 Female to 2 Female Splitter Coupler LAN Ethernet Network 1 to 2 Adapter (2-Pack)

NOTE:2 RJ45 Splitter adapters must be used at the same time to allow 2 computers to access the Internet at the same time.This product is mainly used to solve the connection problem caused by insufficient wiring, and it can make 2 devices surf the Internet at the same time.Please refer to the instruction for connection.
The RJ45 Splitter adapter divide original embedded Ethernet cables (8pins) into two groups (1236/4578). Two groups respectively transmit data with purely physical connection which don't have the function of the assign IP addresses.
This RJ45 adapter is not a router or network switch,it does not have the function of the assign IP addresses.Widely used: By dividing the logistics network cable into 2 parts, the 2 devices can be online at the same time, such as: laptop, TV box, router, camera. Plug and play, no need to set.
The speed of each cable groups (1 and 2) can only reach 100 megabytes.And the signal transmission of two cable groups are not interfered with each other.RJ45-A interface port"1" is corresponding to RJ45-B interface port"1".RJ45-A interface port"2" is corresponding to RJ45-B interface port"2".They can't be reversed.
Use a pair of adapters when installed.Network cable is 8pins, normally only conneted four pins(1236). A switch is connected to splitter A, and then connecting splitter B the terminal socket, so it can use another 4pins(4578).When there is only network cable in the wall, two computers can be connected simultaneously. NOTE: When used in a single adapter which can be used as extension cable, but ONLY Port No.2 can be used.

Last update on 2021-11-15 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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FAQ:

Q: What is a RJ45 coupler?

A: A registered jack-45 (RJ45) coupler is a device with two female RJ45 jacks that joins two wires with Ethernet ® plugs together. The primary use for an RJ45 coupler is to turn two short Ethernet® computer networking cables into one long cable. While this can be a convenient way to make a long cable on the fly,…

Q: What is the RJ45 interface connector?

A: What Is RJ45 Interface Connector? Commonly known as “crystal head” given its appearance, RJ45 interface connector is a kind of component that can insert along a fixed direction into a RJ45 interface and can prevent loss of plastic connectors automatically. RJ45 is a kind of network interface specification (similar to RJ11 interface, commonly used as “telephone interface” to connect telephone lines).

Q: What is a splitter cable used for?

A: A cable splitter is a device that allows multiple cables to be connected to a single wall socket, and is often used for connecting more than one television to an outlet. The most common type of cable splitter is a small device with a single male end and two female ends on the other side.