1、Fine workmanship, with cost effectiveness for your own local CATV system. 2、VHF working frequency for PLL controlled, HD input, A/V output, RF output. 3、Support NTSC and PAL TV format output, no need to install driver program, portable, flexible, plug and play. 4、Made of high quality ABS material, sturdy, durable and long service life. 5、Professional manufacturing, stable characteristics and high reliability. 1 x Modulator1 x Cablw Wire1 x Manual  Condition: 100% Brand NewItem Type: ModulatorModel: HDM66Material: ABSColor: As Pictures ShownTV Standard Format: PAL / NTSCFrequency Range: PAL： 55.25MHz/ 62.25MHz；NTSC： 61.25MHz/ 67.25MHzOutput Level: 75~85dBuVInput Level: 0.77Vp-p Suitable for 80％+ /-10％ ModulationSound System: M = 4.5MHz，B / G = 5.5MHzInput Port: HDOutput Port: for RCA FemaleRF Input: FemaleRF Output: FemaleInput Resolution: 1080P / 1080i / 720P / 576P / 576i / 480pHD Version: 1.3HDCP Version: 1.3Consumption Power: 500mA（min）/ 5VDCWorking Temperature: 0℃~+ 40℃Weight: Approx. 161g