315/433mhz Wireless 4 Channel RF Receiver 1527 Learning Code Decoder Module For Remote Control Superheterodyne Receiving Module _x000D_ Features: 1.Use high-quality materials, durable 2.The receiving module includes a decoding chip, which can support EV1527, PT2262, etc 3.The remote controller adopts the learning EV1527 encoding mode, and each remote controller There are independent address codes to prevent serial codes and mutual interference 4.The receiving module has three function options: inching self-locking interlock 5.The receiving module adopts the key selection mode. There is no need to select the mode manually such as welding and jumper, saving time and labor costs 6.Wide range of use Parameters: Operating frequency: 315M/433M Working voltage: DC3. 3V - 5V Static current: 5mA Output current: 10 mA Receiving sensitivity: - 108dB Receiving distance: more than 25m~50 Frequency band: 0.2 MHz Operating temperature: - 25~75 C Working mode: inching, self-locking, interlocking Output: 4-channel CMOS high level signal corresponds to remote control ABCD 4 button. When the remote control button is pressed, D0, D1, D2 and D3 output high level, Low level when not pressed Package include Receiving module * 1 _x000D_