... consumption RF Transmitter Module with PT2262 encoder chip for smoke detector. Operation voltageDC 3.0-3.6VStandby currentless 2uAOperation frequency315MHz, 433MHzFrequency ... , wireless detectors(PIR Motion sensor, door soor, gas detector, smoking deteckor, water leaking detector, etc.) and home / business burglar alarm system. ... begin working with you! PT2262 RF Transmitter Module for smoke detector