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Pin number
2
3.
A
5
Symbol
ANT
GND
DO
DO
VIN
Name
Antenna pin
Power ground pin
Data output pinData output pin
Explanation
RF signal output, directly connected to theantenna power ground,can be connected tothe shielding cover of the antenna housing
When the module receives the carrier wave of the corresponding frequency, this pin outputs a high level.Nhen the module does not receive the carrier wave ofthe corresponding freguency,this pin outputs an unspecified square wave
Power ground pinPower ground wire