Specifications Frequency Range 47~860MHz (any one channel) Output Level ≥110dB ��V Output Level Adjustment Range 0~-20dB (variable) Video to Audio Carrier -10dB~-20dB (adjustable) Output Impedance 75Ω Spurious Output Suppression ≥60dB Frequency Accuracy ≤±5KHz (VHF), ≤±10KHz (UHF) Video Output Reflection ≥12dB (VHF), ≥10dB (UHF) Video Input Level 1.0Vp-p (87.5% Modulation) Video Input Impedance 75Ω Differential Gain ≤5% (87.5% Modulation) Differential Phase ≤5°(87.5% Modulation) C/L Delay ≤45ns Flatness ±1dB Video Modulator Depth 0~90% (variable) Video S/N ≥55dB Audio Input Level 1Vp-p (±50KHz) Audio Input Impedance 600Ω Audio S/N ≥57dB Audio Pre-emphasis 50 ��s Power Supply AC 220V±10% 50Hz±2Hz, 50W Working Temperature 0~40��br />Features 1. 1 set can install 16 channels. Adjacent channel workable; 2. Respective function keys for each channel, simple operation; 3. High efficiency SMPS enable stable performance; 4. All the figures have been pre-set in the factory; 5. 19” rack mountable.