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Compact and rugged our 4-channel key chain transmitter and receiver modules are perfect for quickly and easily adding RF capability to your electronic projects. Connect the 4-channel output to micro-controllers, leds or relays/transistors to drive higher output loads, the possibilities are endless! The modules operate in the 433MHz band and are usable at distances of up to 135 feet. 256 possible address combinations allow multiple transmitter/receiver combinations to be utilized in the same area.
User Manual in PDF