Its a serial System on Module (SoM) wireless RF (Transceiver) with CC1101 IC that communicate with 433Mhz/FSK frequency. This RF module include a little 8-bit MCU that handle all the hard work for you like configuring the frequency channel, baud-Rate, sensitivity & power consumption with his AT commands

It's also easy to use with any Serial module or microcontroller & take only two pins for the communication (Rx/Tx)

This module is souhaitable if you have some Real-Time-Data to transmit or to Receive without any daily. It's like an RF bridge and works greatly with any serial electronic module or device (Rx/Tx)

This module is tested by myself & im really satisfied with the results ^^

Actually!! ... i'm fallen in love with it ^_^

Features

• Frequency band is 433 MHz With 127 programmable channel via AT Command (AT+Cxxx)
• Multiple types of serial port transparent transmission modes have respective features, and the mode is changed by AT command
• No need to program the modules. Ready to use out of box
• Low current consumption; the idle current is 3.5mA(RX) or 22mA(TX)
• All functions and parameters are changed by AT command, and can be saved in case of power failure
• The number of bytes sent to serial port of module unlimited to one time

Specification

• Working frequency: 433Mhz
• Supply voltage: 3.3V to 5VDC
• Communication distance 1 to 200 Metre
• Serial baud rate: 1.2Kbps to 115.2Kbps (default 9600 Kbps)
• Receiving sensitivity: -112dBm to -95dBm
• Transmit power: -30dBm to 10dBm(default maximum)
• Interface protocol: UART/TTL
• Operating temperature: -40°C to +85°C
• Dimensions: 27.8 x 14.4 x 4mm

Application

• Sensor Networks / Data collection
• Wireless metering
• Access control / Identity discrimination
• IT home appliance
• Smart house products / Security Systems
• Remote control
• Wireless Data Bridges