1. Frequency: 446.09375MHz
2. Channel number: 1
3. Channel spacing: 12.5KHz
4. Working voltage: 3.6-4.5V
6. Battery type (without battery): 3 x AAA
6. Frequency stability: +/-2.5ppm
7. Antenna impedance: 50 ohms
8. RF power: 0.5W
9. Dimensions: 119x47x29mm
10. Weight: 48g