Mini RF Modulator AV to RF Modulator Output NTSC CH3 Channels PLL Controlled VHF Operating FrequencyThe RF modulator is fit compatible your own local CATV system.VHF working frequency compatible PLL controlled, HD input, A/V output, RF output.The RF coaxial converter supports NTSC TV compatiblemat output, no need to install driver program, portable, flexible, plug and play.The VHF demodulator converter has personalised design, exquisite workmanship, making you fondle admiringly.The RF modulator is made of ABS material, sturdy and long service life. Professional manufacturing, stable characteristics and high reliability.Standard: NTSCFrequency Range: CH3=61.25Output Impedance: 75ΩOutput Level: 80±5dBμVSound System: M=4.5MHzVideo Input Impedance: 75ΩAudio Input Impedance: 13±3kΩTV to ANT Insertion Loss 50-860: -6±2dBA/V Connector: RCA femaleRF Input: TV FemaleRF Output: TV Male plugPower Consumption: USB 5V DCOperating Temperature: 0℃-+40℃Colour:BlackMaterial:plasticPackage Contents:1 x AV TO RF Modulator(Due to different product batches, the appearance may vary, which does not affect the use)Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.