Model Number: SG-80H Brand Name: Safe Guard Key Specifications/Special Features: Features:1) Strong ability of anti-interference, diffraction and penetration.2) Very suitable for basements, mines, caves, mountains and other environments with obstacles.3) High quality with high-tech, safetywith AES128bits encryption.4) Transmit distance can up toabout100km LOS distance in open air/50-60km NLOS in suburb environment.5) Common video interfaces, connect to an ordinary analogic camera directly.6) Waterproof, AC 220V (can be ordered 12-28V for solar power interface), adopted different cores in order to distinguish from other interfaces, prevent from destroying the equipment by accident.7) Supports LOS and NLOS transmission, mobile or stationary monitoring. Frequency 200-900MHz(optional),1.2GHz/2.4GHz/4.4GHz(customized) RF Power 30W/50W/80W/100W(option) Transmit distance 100km max LOS distance/50-60km NLOS in suburb Power Supply DC12V 7.8A / AC220V 5A Output level 30W / 50W /80W /100W (option) Frequency stability 0.0005%(standard) Impedance 50Ω Phase Noise @10KHz -75dBc Interface BNC(no audio in/out) Audio output 600Ωbalance/0.5v unbalance Frequency response 50Hz to 15KHz(+/-0.5dB) carrier frequency 6.5MHz Video Output 75 Ω unbalanced, 1.0Volt P-P Differential gain 5% Differential phase 5 Work environment -35~+55°C De-emphasis CCIR STANDARD PAL Humidity 0.96% Size 400*230*160mmor other size Weight 8kg(2U chassis)