This structure enables it to interface with other fixed coded circuits, rolling code circuits and microcontrollers conveniently, without considering the working voltage and output amplitude signal value of the coded circuit. For example, when PT2262 or SM5262 and other coded integrated circuits are connected, the 17th pin of their data output end is directly connected to the input end of the data module. RF module
RXB22 has a wide working voltage range of 3-12V. When the voltage changes, the transmitting frequency is basically unchanged, and the receiving module
RXB22 supporting the transmitting module can receive stably without any adjustment. When the transmitting voltage is 3V, the transmission distance in the open field is about 20 ~ 50 meters, the transmitting power is small, when the voltage is 5V, about 100 ~ 200 meters, when the voltage is 9V, about 300 ~ 500 meters, when the transmitting voltage is 12V, it is the best working voltage, with good transmitting effect, the transmitting current is about 60 ma, the transmission distance in the open field is 700 ~ 800 meters, Transmitting power is about 500 milliwatts.
