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The Best Gsm Relay of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Gsm Relay of 2022. Check our ranking below.

2,489 Reviews Scanned

Rank No. #1
KiaoTime GSM-RELAY-US4G Volte 2022 New USA AT&T 4G 7CH Output GSM SMS Remote Control Relay Contact Switch Box iOS APP
  • 4G EC25-A module frequency:FDD-LTE: B2/B4/B12, 3G WCDMA:B2/B4/B5, work with USA AT&T SIM card
  • 7CH GSM relay enable you to remote control lighting/heater/fan/irrigation system/car engine etc on APP
  • Rated load:Max 10A at 230VAC
  • Parameter settings can be done via 3 ways:iOS/Android APP software(highly recommended!), Computer software and Editting Mobile Message
  • Free call feature,It will reject your phone call when it recognise your phone number is pre-programmed on the authorized WHITE LIST
Rank No. #2
KT-G3-A USA 4G GSM AUTO Relay Switch 12V Solenoid Remote Control Box Wireless Gate Opener 2CH Output HOG Trap Aircraft Pre-Heater System 30A Relay Contact(for AT&T and T-Mobile Volte 2022 New)
  • USA MULTI-BANDS 4G MODULE enable relay switch device can work with AT&T, T-Mobile 4G and 3G network, NOT work in other countries
  • 2 CHANNEL RELAY SWICHES with 30A HIGH RELAY CONTACT enable you to control feral hog trap system, auto gate, aircraft engine heater and lights etc. anytime anywhere in the world
  • FREE CHARGE PHONE CALL No.1 relay can be remote controlled by phone call, no minutes are used as it doesn't actually answer the calls - it recognize caller ID and then reject your phone call to turn on/off the switch automatically
  • SMS FEEDBACK CONFIRMATION relay device will send you sms feedback after phone call or sms remote control, so you will know that relay switch received your command and act correctly
  • MULTI PROGRAMMING WAY Android APP software,SMS text programming way,Windows PC software via USB,WiFi LAN hotspot access on PC(WiFi module optional)
Rank No. #3
4G GSM Dual Channel Remote Switch Controller, SMS Command Remote Board with Relay Output, GSM-CTL-4G Relay Control Box(US)
  • 2 Relay Switches: It has two independent relay switches, and by dialing its mobile phone number to activate the NO.1 relay switch, it will automatically refuse to answer and turn on the device connected to it, so there will be no call charges. With number recognition function, unknown numbers will be automatically ignored.
  • Remote Control Switch: The remote board has built‑in 4G module, can work anywhere in the world through 4G, 3G and GSM net. Support remote password operation and password change, one relay output with call mode, the other relay output with SMS control.
  • SMS Command: The remote board has another independent relay switch, which can be turned on or off by sending SMS text to GSM‑CLT‑4G. There are two 230V 30A 50Hz relay contacts on the GSM remote control system, the relay can operate almost all electrical appliances.
  • Autonomous Programming: Use mobile phone or PC software to easily program in a few minutes, and use SMS or on‑board fast teaching button to quickly and easily perform digital programming. Support customized commands, easy to understand, support equipment operation history LOG check.
  • Applications: Applications include remote control of heating of holiday houses, lighting, engine preheaters, aircraft engine heaters, irrigation systems, well pumps, pumping stations, cabin heaters, resetting of remote servers, arming and disarming Security system, door access control and garage door.
Rank No. #4
Carrfan Global Version Relay GPS Tracker Rear Time GSM Locator Anti-Theft Cut Off Fuel Power System Function for T-Mobile
  • Real-time tracking.
  • Against pseudo base-station&detect.
  • Vibration/Displacement/Low battery/Power off/over speed alert.
  • Main power cut off alert. Geo-fence.
  • Please contact customer service for instructions.
SaleRank No. #5
RTU5024 Upgrade GSM Gate Opener GSM Remote Switch Relay Switch Door Opener with GSM Dial Control DC 9-15V(RTU5024Upgraded version)
  • 【Free Call 】No call charges, the GSM gate opener rejects the call from authorized number then carries out the turn on/off action on the first. So you can open gate or garage door with a free call from your mobile phone.
  • 【Gate Opener】The GSM Gate Opener RTU5035 is very simple device which can be used for authorized door access, controlling gates, switching of remote equipment, car parking systems.
  • 【Secure Using】you do not need to worry the stranger can control your GSM set to open your door. You can protect your assets with low cost.
  • 【APP Control】You can open gate or garage door with a free call from your mobile phone. You can set the device by APP, you can also can open the door quickly by shaking your phone.
  • 【WIDELY USED 】Based on GSM network, it can be widely used in doors, guardrails, shutters, parking systems, household appliances, computer rooms, greenhouses, remote equipment switching, industrial remote control, etc.
Rank No. #6
GSM‑AUTO‑4G 4G/3G/GSM Door Gate Opener Dual Relay Wireless Remote Switch Controller SMS Relay Controller with One Alarm Input for Garage/Hangar/Warehouse(AU)
  • ✔ The GSM-AUTO 4G version is a wireless remote on/off switch that can be controlled by connecting to a 4G mobile phone network. Through the SIM card and pay-as-you-use (PAYG) plan, it can be connected to 4G or 3G or GSM cellular networks. The SIM card slot is on the top of the GSM-AUTO 4G module.
  • ✔ Activate the machine by typing in its mobile phone number. The unit cannot answer voice calls, but when a call is sensed, its logic will activate one or two output relays in a pre-programmed sequence. Since the device does not answer the call, the activation of the relay will not incur any call charges to the PAYG plan or the caller.
  • ✔ GSM-AUTO has two independent relays. They have normally open and normally closed contacts. They can be programmed to open between 1 second and 18 hours. In addition, you can set a delay time between relay 1 and 2 switch. By sending SMS to GSM-AUTO, you can activate the programmed relay operation
  • ✔ Activate each relay by sending an SMS text message to the phone number of the device(up to 100 authorized users). Sending a text message command to the device can temporarily cancel the programmed operation and open the relay for up to 18 hours. It will return a confirmation text, when it opens and closes.
  • ✔ Applications include remote control of heating of holiday houses, lighting, engine preheaters, aircraft engine heaters, irrigation systems, well pumps, pumping stations, cabin heaters, resetting of remote servers, arming and disarming security systems, and doors Access control, aircraft hangar and garage door.
Rank No. #7
GSM Gate Opener, GSM Remote Control Relay Switch, Automatic Remote Access Controller, Garage Door Automatic Controller
  • ★★ Adopt GSM / 2G net communication, without any distance limitation, it can be used anywhere. 850/900/1800/1900MHz quad-band GSM frequency, can work in global GSM network. After the authorized phone controls the relay, it can send action text messages to the user.
  • ★★ Using SMS to set parameters remotely, add or delete users with SMS text commands, simple operation, convenient for using. You can query the current status of the device (relay status and GSM signal value) through SMS instructions.
  • ★★ Between 0-999 seconds, the relay closing time can be controlled arbitrarily, where 0 means: the relay will open 0.5 seconds after closing, and 999 means: the relay will remain closed until the permission number is dialed in. Support 200 groups of numbers, each group of numbers can be set to control the relay within a specified period of time.
  • ★★ Without call charges, the GSM GPRS relay switch rejects calls from authorized numbers and then performs an open / close operation on the first "ring". One relay output, the authorized number will be closed after the incoming call, and it will be automatically opened after the set time.
  • ★★ Metal case with IP30 protection. The metal housing is safely isolated from the system, which is especially suitable for industrial control field applications. Wide range of applications, suitable for garage access control, remote switching equipment, street lights, motors, inverters, remote pumps, LED signs, etc.
Rank No. #8
SYLOTS GPS Tracker for Vehicles, Vehicle Car GPS Tracker Car Tracking Relay GPS Tracker Device GSM Locator Remote Control, Waterproof GPS Tracker for Car Truck Taxi
  • Anti-theft System: This GPS tracker device support GPS continuous positioning and GPRS timing report, you can know the location in time. when car power off, the tracking will automatically enters the anti-theft mode
  • Main Function: GPS tracker for car, very simple and easy to use for Motorcycle, Truck, Taxi, etc. Displacement/Low battery/Power off/over speed alert.low battery, Shocking, driving reports historical data saved during service. (SIM Card Not Include).
  • Electric Fence: Set the security zone. When the car enters or leaves the security zone, the mobile phone will receive the reminder at the first time. You can keep track of the car dynamics without opening the app
  • Removal Alarm: Our device is equipped with a sensitive sensor, and when the device is removed or destroyed, the owner will immediately receive an alarm message.
  • Easy to View: You can view the trajectory by your phone at anytime&anywhere, very convenient, save time, simple and practical
Rank No. #10
7 Channel Wireless GSM Remote Switch Controller 4G SMS Relay Switch for Power Failure Alarm, SMS/Phone Command(US)
  • ✔ GSM‑RELAY‑4G is a wireless 4G remote control switch connected to the 4G mobile phone network. The switch has seven independent relay switches and you can activates NO.1 relay switch by dialing its cell phone number or sending SMS text.
  • ✔ It will reject the call and turn on the device connected to it without answering, so no call charges will be incurred when dialing this machine. This GSM relay switch has its own number recognition function, and unauthorized numbers will be automatically ignored.
  • ✔ 4G design, through 4G, 3G and GSM, this relay switch can work anywhere in the world and it can carry out remote password operation and password change. Digital programming can be carried out quickly and easily using SMS or the on-board quick teaching button.
  • ✔ All relay outputs can work in switch mode or pulse timing mode, and it support free control mode or security authorization number control mode, you can easily programming in minutes by using mobile phone or PC software.
  • ✔ You can disable the SMS reply function to save money, and the switch supporte quipment operation history LOG check and custom commands.It has 2 mode output, relay output with call mode and relay output with SMS control.

Last update on 2022-09-21 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best Gsm Relay?

Do you get stressed out thinking about shopping for a great Gsm Relay? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Gsm Relay, which is why we have assembled a comprehensive list of the greatest Gsm Relay available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Gsm Relay that you consider buying. Your questions might include the following:

  • Is it worth buying an Gsm Relay?
  • What benefits are there with buying an Gsm Relay?
  • What factors deserve consideration when shopping for an effective Gsm Relay?
  • Why is it crucial to invest in any Gsm Relay, much less the best one?
  • Which Gsm Relay are good in the current market?
  • Where can you find information like this about Gsm Relay?

We’re convinced that you likely have far more questions than just these regarding Gsm Relay, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Gsm Relay, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Gsm Relay. Make sure that you are only using trustworthy and credible websites and sources.

We provide an Gsm Relay buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Gsm Relay currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Gsm Relay has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Gsm Relay?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Gsm Relay.
  5. Customer Ratings: Number ratings grade Gsm Relay objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Gsm Relay.
  7. Product Quality: You don’t always get what you pay for with an Gsm Relay, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Gsm Relay is should be an indication of how long it will work out for you.

We always remember that maintaining Gsm Relay information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Gsm Relay is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.


Q: Where can I order samples of the GSM-relay-4g?

A: Order the samples directly from Below is the connection description of the GSM-RELAY, that is the same as the GSM-RELAY-4G The GSM-RELAY is a wireless gsm remote control switch that connects to the GSM cell phone network.

Q: What is a GSM-relay board?

A: New 2016 Version GSM-RELAY Board description: Applications include the remote control of heating in holiday homes, lighting, engine pre-heaters, aviation engine heaters, irrigation systems, water well pumps, pumping stations, cabin heaters, resetting of remote servers, arming and disarming security systems, access control of gates and garage doors.

Q: What are the features of the 2016 4G relay controller?

A: (New version 2016 4G relay controller, more features including: Log data, fast program and reset button on board, Support customized SMS controller for ON/OFF controller and pulse control each seperate relay channels)

Q: What is the difference between 3G and 4G GSM controller?

A: Wafer GSM ,3G and 4G controller are totally the same design, only the working frequency is different. so some countries for example USA, australia, singapore,that GSM (2G) Net is closed ,so must select to order the 3G or 4G controller. these controller are using the same APP, same Programmer and the same PC software to program.

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