Feature: 1. Good Performance: HDM69L modulator, support VHF or UHF dual working frequency, plug voltage 90‑240V, stable connection, with good working performance. 2. Adjustable: This HD Multimedia Interface modulator can adjust the AV output level, 1080P, 1080i, 720P, 576P, 576i, 480p multi resolution support, accurate analysis, more flexible to use. 3. Easy To Use: HD AV to RF modulator, optional output channel, HD Multimedia Interface and AV input, support PAL or NTSC TV format output, to meet your different needs. 4. Portable: Humanized design, small and light, easy to carry, made of high quality ABS and metal materials, wear resistant and durable, and can be used for a long time. How to Use: Plug and play. Specification: Item Type: Modulator Material: ABS + Metal TV Standard Format: PAL, NTSC Frequency Response: 47-868MHz Bandwidth: 6MHz, 7MHz, 8MHz Output Level: 80-95dBuVadj Input Level: 80%±10%, 0.8Vp-p in Modulation Sound System: M=4.5MHz, B/G=5.5MHz, I=6.0MHz, D/K=6.5MHz Input Port: HD Multimedia Interface And CVBS RCA RF Input: F Female RF Output: F Female Input Resolution: 1080P, 1080i, 720P, 576P, 576i, 480p HD Multimedia Interface Version: 1.3 HDCP Version: 1.3 Plug Voltage: AC 90-240V Working Temperature: 0℃ ~ +40℃ Package List: 1 x Modulator 1 x Manual