This is an ASK Hybrid transmitter+receiver module at 433 MHz. The transmitter Module employs a crystal-stabilized oscillator, ensuring accurate
433 Mhz RF module - Transmitter & Receiver pair ASK
433MHz Front-end RF modules
Radio module transmitter FS100A + receiver 433 MHz Botland - Robotic Shop
RF Solutions AM-RX9-433P Receiver Super Het, AM 433MHz, SIL 5V
Shootout: Four 433.92Mhz ASK/OOK Transmitter Modules Compared
Buy RF ASK MODULE 433.92MHz Transmitter Receiver Pair : ElementzOnline