Product Details  CATV Modulators(model 5944) Excellent Quality Reasonable Price  CATV Modulators(model 5944)Applicable for 47-860MHZ system, fixed channel outputting LED display, Video/Audio frequency modulating. Audio noise reduction, CPU dual phase-lock  Independent IF I/O interface, 191U standard structure,  Compatible PAL;NTSC and SECAM signal standards Specification: Items Unit Parameter Output Frequency MHz 47-860 RF Output Level dB 96-115 Output impedance Ω 75 Spurious Rejection dB 65 Frequency Tolerance KHz Flatness dB Video C/N dB ≥48 V/A Carrier Power Ratio dB 10/20 Video Mod Depth ≥87.5  Audio carrier MHz 6.5 /6.0/5.5/4.5Available Audio input semaphore V 0.775 Power Supply V Ac220±10 Power Consumption W 8 Operating Temperature 0-40 Dimensions MM 5944 (483*250*48) 5933(483*205*45) Weight KG 5944(2.43)- 5933(2.4)