RXM-921/916/903/868/433-ES Series Receiver Modules

RXM-921/916/903/868/433-ES series receiver modules are receiver circuits with excellent performance-price ratio in small SMD packages. RXM-921/916/903/868/433-ES can be used in wireless data transmission, RS-232/485 data transmission, audio connection, fire/security alarm, home/industrial automation control, remote control and monitoring, etc. 

The main technical features are as follows: 

・Operating frequencies are 921/916/903/868/433 MHz; 

・FM/FSK demodulation method; 

・The maximum data transmission rate is 56 Kb/s; 

・It has a low power mode to extend battery life; 

・Provide signal strength indication output; 

・Wide range analog signal processing capability including audio 20 to 28 kHz; 

・No tuning is required, and no external RF components are required. 

・The maximum receiving sensitivity is -102 dBm; 

・Operating voltage is 4.5～5.5 V; 

・Operating current is 6 mA, sleep mode current is 50 uA.

Noise suppression circuit for RXM-921/916/903/868/433-ES