1Single chip microcomputer control phase lock loop, video and audio subcarrier high precision, good stability. 2With radio frequency loop input, automatic storage when power failure. 3Non adjacent use of doublesideband modulation, AV signal or HD signal can selected as input source. 4Made of high quality aluminium alloy material, sturdy, durable and long service life. 5Professional manufacturing, stable characteristics and high reliability. Condition: 100% Brand New Item Type: Modulator Material: Aluminium Alloy Color: As Pictures Shown InputAC100-240V60Hz Plug: EU Plug Maximum Power3W Frequency RangeVHFch4-10 Input Levelo.vp-pfor80%10% Modulation VHF IlI:CH5-CH12.S11-S41.UHF:CH21-CH69 Input Level Adjustment: 0.4VP-P~0.8VP-P Output Level90dBuV Minimum SNR55dB Ratio-152d Frequency Response2.5dB50Hz~4.2MHz Video Carrier Frequency Accuracy5KHz Input Impedance75 Output Loop Loss14dB Input Resolution: 640*60Hz of 480480i480p Output Impedance75576i576p720p1080i1080p@50Hz/60Hz HDMI Versionhdmi 1.3 HDCP Versionhdcp1.3 Weight: Approx. 358g 1 xModulator4 xScrew1 xManual