Feature:1. SUPPORTS NTSC FORMAT OUTPUT: HD Multimedia Interface RF modulator supports NTSC format output, frequency range: CH3=61.25MHz CH4=67.25MHz.2. 1080P PLL CONTROL: 1080P PLL control VHF working frequency, HD Multimedia Interface input, RF input and output.3. FINE WORKMANSHIP: RF modulator is well made and suitable for your local CATV system. Supports HD Multimedia Interface 1.4 and HDCP 1.4.4. PLUG AND PLAY: HD Multimedia Interface to RF modulator requires no driver installation, portable, flexible, plug and play.5. RUGGED AND DURABLE: RF modulator is made of ABS material, durable and long life. Professionally made for stable performance.Specification:Item Type: HD Multimedia Interface RF ModulatorModel: HDM61Material: ABSTV Standard Format: NTSCFrequency Range: NTSC: CH3=61.25MHz CH4=67.25MHzOutput Level: 805dBuVSound System: M=4.5MHzInput Port: HD Multimedia InterfaceRF Input: F FemaleRF Output: F FemaleInput Resolution: 1080P 1080i 720P 576P 576i 480pHD Multimedia Interface Version: 1.4HDCP Version: 1.4Input Voltage Current: DC 5V 500mA.Package List:1 xHD Multimedia Interface RF Modulator1 x Power Supply Cable1 x Instruction ManualNote:This product only supports NTSC format output and is only available on shelves in the Americas.