RF carrier frequency range: 640–690 MHz Operating distance: 40–50 meters in open areas Frequency stability: ±0.005% Signal-to-noise ratio: >100 dB RF output power: 10 mW Harmonic radiation: < -50 dBc (fundamental) / < -40 dBc (higher harmonics) Maximum output sound pressure level: 130 dB Microphone capsule type: Dynamic

RF carrier frequency range: 640–690 MHz Operating distance: 40–50 meters in open areas Frequency stability: ±0.005%

Frequency range: 630-690MHz Vibration mode: chip frequency locking Frequency stability: ± 10ppm

Frequency range: 630-690MHz Vibration mode: chip frequency locking Frequency stability: ± 10ppm

< 1234...14 >