- Circuit shape by PLL with a "Crystal".
- Distance range between TRA1-A & B : 400 ~ 500 meters.
- Frquency range : 433.92 MHz.
- Power supply : 5V DC.
- ASK RX sensitivity : - 108 dBm.
- FSK TX Output Power : +15 dBm.
- Data rage : 300 ~ 2400 bps.
- Local Oscillator is make of low cost PLL structure.
- TRA1-B a match TRA1-A.
- Application :Two-way Car Alarm, Security Systems, Remote Control.