A range of basic radio telemetry transmitter and receiver modules operating in the 433MHz ISM frequency band. Digital data can be communicated directly from a microcontroller serial port, or via a suitable codec.

RF Carrier frequency: 433.92MHz ISM band
Modulation: ASK
OTA Data rate: Up to 3kbps, 10kbps (QAM-RX10)
Receiver Sensitivity: -112dBm (QAM-RX1), -106dBm (QAM-RX4), -123dBm (QAM-RX10)
Range: Up to 50m
Tx input/Rx output: serial CMOS/TTL
Low power consumption
No adjustable components
Applications: Security systems, Remote gate controls, Remote sensing, Data capture, Garage door controller, Short-range communication for the Internet of Things (IoT)

RS Product Codes
617-2072 QAM-TX1-433 Transmitter
617-1811 QAM-TX3-433 Transmitter
742-4481 QAM-RX1-433 Receiver
762-0099 QAM-RX4-433 Receiver
125-8208 QAM-RX10-433 Receiver

A 4-button secure remote control system can be built using one Tx and one Rx module together with the RF600 Codec chipset: RF600E Encoder, RS Part No. 505-6929 and RF600D Decoder, RS Part No. 505-6935

Wireless Modules - Quasar