Feature:1. Using existing RF circuit in general homes. Remote control signal and power can be transmitted via RF.2. Share of STB, DVD with a few rooms. At the same time having the function of remote control in the rooms when the STB, DVD, DVR are positioned in the living room.3. Flexibilities in setting TV format such as PAL/NTSC and Sound IF to accommodate users from all part of the world.4. With the wide frequency range of 471.25MHz ~885.25MHz, both formats of VHF and UHF can be used. Selectable transmitting frequency and correspondence frequency display and in built memory will minimize and avoid interference.5. The use of broadcast standard PCB Circuit designed enhanced stability and better picture quality further.6. External setting for NTSC/PAL B/G, I, D/K, L. M/N TV formats for global use.Specification:Features:Using existing RF circuit in general homes. Remote control signal and power can be transmitted via RF.Share of STB, DVD with a few rooms. At the same time having the function of remote control in the rooms when the STB, DVD, DVR are positioned in the living room.Flexibilities in setting TV format such as PAL/NTSC and Sound IF to accommodate users from all part of the world.With the wide frequency range of 471.25MHz ~885.25MHz, both formats of VHF and UHF can be used. Selectable transmitting frequency and correspondence frequency display and in built memory will minimize and avoid interference.The use of broadcast standard PCB Circuit designed enhanced stability and better picture quality further.External setting for NTSC/PAL B/G, I, D/K, L. M/N TV formats for global use.Specifications:Material: ABSRF Frequency Range: 471.25MHz~855.25MHzChannel Range: 21~69Default Factory Setting: Channel 21 (471.25MHz). PAL I, 38KHzRF Output Impedance: 75 unbalancedVideo Input Impedance: 75TV Format: PAL/NTSCSound Carrier Frequency: 4.5/5.5/6.0/6.5MHzRemote Distance: ≥10mTransmitter Distance: ≤30cmRemote Control Frequency: 38/56KHzPower: USB 5VPower Consumption: ≤500mWItem Size: 117 * 57 * 24mm / 4.61 * 2.24 * 0.94inItem Weight: 107g / 3.79ozPackage Weight: 124g / 4.38ozPackage Size: 12 * 9.5 * 2.5cm / 4.72 * 3.74 * 0.98inPacking List:1 * Modulator1 * USB Cable1 * IR Emitter Cable1 * Manual (English)Package List:1 * Modulator1 * USB Cable1 * IR Emitter Cable1 * Manual (English)