This RF module comprises an RF Transmitter and an RF Receiver. The transmitter/receiver (Tx/Rx) pair operates at a frequency of 433 MHz. An RF transmitter receives serial data and transmits it wirelessly through RF through its antenna connected at pin4. The transmission occurs at the rate of 1Kbps ? 10Kbps. The transmitted data is received by an RF receiver operating at the same frequency as that of the transmitter.
315 MHz, 433.92 MHz