Model:D27R    
Name:RF Receiving Module-R23AIt is a very good capability of UHF high frequency module. It is used by most advanced integrated circuit and widely used in high interfering place. 
Applications: 
1>Garage door opener system
2>Remote control for anti-lost
3>Access Control system
4>Other wireless control
5>Industrial control
6>low-baud signal transport
Specification:
Operating Voltage: 5.0VDC ± 0.5V 
Operating Current: ≤ 10mA 
Principle: Super-heterodyne 
Modulation method: ASK 
Frequency: 315MHz, 433.92MHz 
Bandwidth: ±200KHz 
Sensitivity: excel -115dbm (50Ω)
Velocity: