Type:AMP-1
1. Can extend the distance between the sender and the receiver
2. Transmitting distance: less than 500 meters (wide space)
3. Transmitting frequency: 315MHz
4. Codec circuit: 2262 or 2272
5. Static current: ≤10mA
6. Sensitivity of receiving: -103dBm
7. Transmit power: ≤600mW
8. Transmit intervals: ≥30 seconds
9. Working voltage: DC12V or external 220V power adapter, positive pole inside and negative pole outside