![]() When using, the receiving frequency, decoding method and oscillation resistance should match with the transmitting. When installing, the antenna should be as straight as possible, far away from the shielding body, high voltage and interference source. ![]() Transmitter Input Voltage: 3-12V (high voltage more transmitting power) Receiver Input Voltage : 3. The position of the antenna also affects the receiving effect of the module. Receiver Data Output: High - ½ Vcc, Low - 0.7v. VCC voltage and module voltage should be consistent, and to make the power filter Īntenna greatly affect the receiving effect of the module, the best access 1/4 wavelength antenna, generally using 50-ohm single-core wire, the length of the antenna 433M is about 17cm Pin arrangement from left to right: (DATA VCC GND) Work: AM Transmission rate: 4KB / S Transmit power: 10mWĮxternal antenna: 25cm ordinary multi-core or single-core Launch distance: 20-200 meters (voltage is different, the effect is different) Operating voltage: 3.5-12V Dimensions: 19 * 19mm ![]() Size: 30 * 14 * 7mm External antenna: 32CM single core, wound into a spiral Working voltage: DC5V Quiescent current: 4MA
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