The Best Small Rf Transmitter of 2021 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Small Rf Transmitter of 2021. Check our ranking below.
2,579 Reviews Scanned
- Easy to use, nice range (using antenna on both), you can send strings (text) from one point to another. If you want to automate your house without pulling cables then this device will help you well
- Wireless Transmitter Modules allow your Arduino to wirelessly comunicate with other arduinos, or with radio frequency (RF) controlled devices that operate in the same frequency (433Mhz in this case)
- They work in pairs, meaning you need both a receiver and a transmitter to comunicate with each other
- Compatible with SparkFun’s 434MHz RF transmitter and RF receiver
- This Radio Transmitter & Receiver pair is perfectly matched to allow you to control items from a distance up to 500 feet wirelessly!
- 【How to Use】The VCC voltage must be consistent with the module's working voltage and must stay in good power filtering.
- 【Perfect Kit】This kit includes 3 pairs of transmitter and receiver modules and 3 pairs of spring antennas for increasing the communication distance. And the frequency is 433MHz. It is very popular for remote control systems, such as Remote control rolling gates, smart car, smart home, etc.
- 【Easy to Use】Great influence on the antenna module reception, preferably connected to the 1/4 wavelength of the antenna, typically 50 ohm single conductor. The length of the antenna 433M is about 17cm.
- 【Wireless Transmitter Modules】allow your for Arduino to wirelessly comunicate with other for arduinos, or with radio frequency (RF) controlled devices that operate in the same frequency (433Mhz in this case).
- 【Warm Tips】Antenna position has also affected the reception of the module, the installation, the antenna as possible straight away from the shield, high pressure, and interference source. Frequency used to receive, decode and oscillation resistor should match with the transmitter.
- 【4CH for More Control】Turn/reverse, on/off. Switch Self-lock, Jog, Inter-lock. It is a learning code 12v remote control switch wireless remote control switch (receiver), the output way /working way can be changed as you like, it is easy to match the transmitter. It has 4 Relays which can make the equipment turn or reverse, on/off and so on come true. The volume is small and the performance is stable and reliable, high receive sensitivity.
- 【Wide Application to different Occassion】It covers application ranging from simple domestic remote control to autonomous control, like auto door, window, lifting equipment, entrance access, up and down controller, alarm system ,lifting equipment,entrance, Garage Doors, industrial control and security etc.
- 【Cover over 328ft Long Range】Signal can pass through walls, floors and doors, steadily control receiver from any place within a reliable distance. Max range is over to 328ft/100m with no obstacle. These remote controls are designed to control a wide variety of electronic devices with a wireless signal.
- 【Support different chip and device】Compatible with 2262 /2260/1527/2240 etc chip and several code wireless remote control. So it can meet someone's need of choosing the wireless remote control as they like to work with it.【Easy to Use and Operate】Extremely easy to set up and use.Learning code has HIGH-LEVEL SECURITY for its low repetitive rate and re-learn mode, by which it can delete the old code and re-learn a new code when a remote control get lost.
- 【Service and Warranty】US DIRECT SHIPPING! Provides carefree return within the states! Lifetime warranty for this item against manufacturer defect! If our product doesn't work well or exist any problem.Please kindly contact customer service.
- Transmitting Frequency: 433MHZ (Only compatible with the RF remote controls of UHPPOTE)
- Fixed code, and it can be easily programmed.
- This remote control is empty code, you need to set the code by yourself. If you do not know how to set the code, please contact us before payment.
- Powerd By: 2pcs CR2016/3V batteries (Included)
- Service Life of the Battery: 50000 cycles tested.
- VCC voltage module operating voltage and good power filtering.
- Great influence on the antenna module reception, preferably connected to the 1/4 wavelength of the antenna, typically 50 ohm single conductor.
- Launch distance 20-200 meters (different voltage, different results).
- Antenna position has also affected the reception of the module, the installation, the antenna as possible straight away from the shield, high pressure, and interference source.
- Frequency used to receive, decode and oscillation resistor should match with the transmitter.
- SECURE # Rolling code key fob device offers better security and far more code combinations (more than 18 quintillion - 18 x 10^18 possibilities, nearly a trillion more than typical fixed code or so-called learning code ones) and built on new platform using higher RF sensitivity -113dBm superheterodyne module for better long range and more stable performance.
- EASY & FLEXIBLE # Two independent relay channels can either work together (in latching) for polarity reversing or individually (in pulse / hold) to control different electronics, such as one channel for garage door controller unit, the other for entry lights. Easy programming & easy to use DIP switches working mode selection between pulse / momentary, hold / toggle and latching mode.
- ENCLOSURE # Designed to work both indoor and outdoor, default enclosure supplied protects the inner radio receiver circuit board safe from rain or other tough weather, while customer can also use chemical glue or epoxy adhesive to seal the wiring holes after setup, providing IP55 equivalent waterproof protection level. Mounting holes are provided for easy installation to walls etc using screws.
- INTERFACE # 3-Level efficient switching power supply system. Our 202U receiver board accepts 12 volts - 24 volts AC or DC wide supply voltage range (min. current rating is [email protected] DC). Each relay can switch up to 10A @14V DC or 10A @125V AC for resistive load (6A @14VDC for inductive load). Built-in small DC motor / solenoid polarity reversing control capability by using interlock latching mode and both relays.
- APPLICATIONS # Used in anti-theft alarm control panels, home automation systems, short and long range turn devices on / off wirelessly, lifts, boats, marine, winches, motor-driven curtain, roller blinds, overhead garage door & gate barriers, motorcycles, vehicles, cars, truck, industrial and agricultural electrical control such as water pumps & sprayer, electric door release locks, windows, manual switches extender, LED lighting lamp bulbs and strips, entrance and access control etc.
- · Multiple working modes : Momentary Mode, Toggle Mode, Latched mode
- · Application environment: Remote control switch, receiver module, motorcycles, automobile anti-theft products, home security products, electric doors, remote control socket, remote control LED, garage door remote control, remote control door opener, remote control curtains, alarm host, remote control MP3.
- · Superheterodyne
- · Small size
- If you have any questions about the product, please contact the seller in time. If there is any problem with the product quality, we will protect your interests from damage
- 【PLUG & PLAY】 Not a tech junkie? No problem! With our HT280 wireless headphones, there is no need to worry about pairing them with your device. Simply turn on both devices and they will auto connect. Our headset also comes with an all-in-one charging dock and transmitter for a user friendly audio experience.
- 【STOP SQUABBLES ABOUT SOUND】Whether you are hard of hearing or just enjoy the full volume capacity of your favorite shows and games, our over the ear headset allows you full range of sound-without being constantly told to turn it down! Unlike other headphones, our HT280 features customized volume controls 30% louder than our competitors, making them ideal for the hearing impaired - and their families. Note: Not for professional audiophiles (recommend Avantree HT4189).
- 【NO MORE DELAY】Featuring 2.4 GHz wireless technology, our HT280 headphones allow you to binge watch your favorite series on Netflix, catch the highly anticipated game, or pop in your favorite video with high quality sound and in perfect synchronization.
- 【CONVENIENTLY COMPATIBLE】Whether you are spinning albums on a record player, or watching your favorite show on the latest model of TV, our HT280 offers the flexibility and compatibility with any device with optical, AUX/3.5mm or RCA audio out port.
- 【LONG BATTERY LIFE】Immerse yourself in your shows with up to 12 hours of battery life! HT280 also spans up to 100ft / 30m of the transmitter allowing you free range listening.
Last update on 2021-09-03 / Affiliate links / Images from Amazon Product Advertising API
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