External High Gain GSM, 2G, 3G, 4G Antenna with 3 Meter Extension Cable - (High Quality) Description: The base external antenna on the magnetic stand is Omni-Directional. This antenna captures signals from all directions and links them more quickly. This Antenna can be used with all cellular operators 2G/3G/4G LTE/CDMA/WADMA/GSM FCT devic..

RA-02 LoRa Wireless Transceiver Module  with 433 Mhz Antenna Description   Ra-02 is a wireless transmission module based on SEMTECH SX1278 wireless transceiver. It adopts advanced LoRa spread spectrum technology, with a communication long distance. It has strong anti-jamming ability and has the function of air-alarm clock-up Cons..

RF Encode + Decoder Module Boards (set) Feature Easy interfacing with the RF modules, using the female headers for placing the modules. Breakout pins for connecting to the microcontroller. DIP Switch for Address Selection (when multiple modules are used at one location) Status LED for valid transmit. Supports bot..

RF Transmitter & Reciever - 433Mhz (ASK) Transmitter   This is an ideal for remote control applications where low cost and longer range is required. The transmitter operates from a 3-12V supply, making it ideal for battery-powered applications. The transmitter employs a SAW-stabilized oscillator, ensuring accurate frequency con..