Wholesale Interphone Helmet Headset

Key Function Features
1) Plenty radio information and read-write frequency code protection
2) Simple operation and easy-to-use
3) Volume and channel knobs
4) Multi-monitor function
5) Voice-operated transmission(VOX)
6) Emergency Alarms
7) Versatile scanning Features
8) Busy channel Lockout (BCLO)
9) Time-out timer(TOT)
10) Low power warning

Specification
Model RS-RF1000
General Specifications
Power Supply 3.6V DC ± 20%
Operating Temperature -25~ + 55
Number of Channels 16
Transmitter Specifications
Frequencies - Full Bandsplit 136~174MHz, 400~470MHz
Frequency Stability(-25 to 55, 25 Ref) 2.5ppm
Power Output 1W
Modulation Limiting ± 2.5kHz@12.5kHz, ± 4kHz@20kHz, ± 5kHz@25kHz
FM Hum & Noise -40dB@25kHz, -35dB@12.5kHz
Conducted/Radiated Emission -36dBm < 1GHz, -30dBm > 1GHz
Adjacent Channel Power -60dB @ 12.5kHz, -70dB @ 20/25kHz,
Audio Response (300-3000Hz) +1 ~ -3 dB
Audio Distortion < 5%
Receiver Specifications
Frequencies - Full Bandsplit 136~174MHz, 400~470MHz,
Sensitivity(12 dB SINAD)EIA. 28μ V@12.5kHz, . 25 μ V@20/25kHz typical
Intermodulation EIA 65 dB
Adjacent Channel Selectivity 60 dB@12.5kHz, 70 dB@20/25kHz
Spurious Rejection 70 dB
Rated Audio 0.4 W
Audio Distortion @ Rated Audio 5%
Audio Response (300-3000Hz) +1 ~ -3 dB
Conducted Spurious Emission -50 dBm< 1 GHz, -47 dBm> 1GHz