Feature: 1. [RF Modulator] Adjustable output level, channel digital display. Convert HD Multimedia Interface digital signals into RF signals. 2. [Input Port and Resolution] The input port is HD Multimedia Interface 1.3, supporting input resolution of 1080P/1080I/720P/576P/576I/480P. 3. [Easy To Carry] This HD modulator is small in size, light in weight and easy to carry, you can carry it with you and use it at any time. 4. [Frequency Range] VHF/UHF working frequency, 470‑862MHz (UHF), 47‑300MHz (VHF) frequency range. 5. [Plug and Play] No drivers and adapters are needed, plug and play, convenient to use. Specification: Item Type: Modulator Material: ABS+Metal Model: HDM68L TV Standard Format: PAL/NTSC Frequency Range: 470-862MHz (UHF), 47-300MHz (VHF) Bandwidth: 6MHz, 7MHz, 8MHz Output Level: 70-90dBuV Video Input Level: 1Vp-p±10% Sound Input Level: 2.1Vp-p±10% Sound System: M = 4.5MHz, B / G = 5.5MHz, I = 6.0MHz, D / K = 6.5MHz Input Port: HD Multimedia Interface 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 Power: 4W (maximum). Package List: 1 x Modulator1 x Manual