3pcs RX531 433MHz Lead-free Environment-friendly Wireless Receiver Module High Sensitivity Super Heterodyne Super Anti-j

Features The RX531 receiving module is a wireless receiving module based on the super disturbing interference chip WL531R It is a UHF ASK receiving and demodulating machine that supports ASK and OOK modulation The receiver module has high sensitivity 112dBm and a high dynamic range greater than 60dB The module uses a highly integrated chip built in front end low noise amplifier mixer filter frequency synthesizer and other circuits which can optimize the signal to a large extent Support ASK OOK modulation mode the receiving sensitivity reaches 112dBm Adopt environmentally friendly materials and production and processing technology can pass ROHS environmental certification Good selectivity and stray radiation suppression easy to pass CE Fcc international certification Good local oscillator radiation suppression capability multiple receiver modules can work together ie single shot and multi receipt without interfering with each other and use together does not affect the receiving distance Operating frequency 433 92 MHz bandwidth about150KHz Power supply voltage input range 2 2V 5 0V Temperature range 40 85CSize 23 591mmNumbersymbolnameDescription1ANTAntennapinRFsignaloutput directlyconnectedtotheantenna2GNDPowergroundpinPowerground canbeconnectedtotheantennahousingshield3DODataoutputpinWhenthemodulereceivesthecarrierofthecorrespondingfrequency thepinoutputsahighlevel 4DODataoutputpinWhenthemoduledoesnotreceivethecarrierofthecorrespondin