1HDMI transmitter uses the standard Ethernet TCP/IP protocol to transmit high-definition audio and video signals through wireless WIFI signals. 2The product can realize pointtopoint applications, manytoone applications, and onetomany applications. 3The device has excellent image processing and transmission capabilities, making signal transmission smoother and more stable, and it's a cost-effective way to extend HDMI signals wirelessly. 4Builtin automatic equalization system, which bring fluent, clear and stable picture. 5Transmit distance: the open environment can transmit up to 50 meters and if throught the wall, can transmit up to 25 meters. 6Support multidevice screen projection to solve the problem of multiscreen projection for large conferences. Easy and simple installation, plug and play. Item Type: Wireless HDMI Extender Model: AY88 Color: Black Wireless Frequency: 5.8GHZ Pixel Broadband: 165MHZ Video: HD video Compressed Format: H.264 The Highest Resolution: 1920x1080P/60Hz Channel: WIFI is 5G frequency band, can be collocated automatically Power Adapter Input: DC 5V Support Protocol: HDMI 1.3, HDCP 1.2 Interface Bandwidth: Total bandwidth 6.75Gbps Interface: HDMI-A interface Impedance: 100 RF Power: 13dbm Wireless Standard: 802.11ac PWR: Power indicator Signal Direction: One way Size: Approx. 90 x 82 x 23mm / 3.5 x 3.2 x 0.9in 2 x Wireless HDMI Extender2 x Power Plug1 x User Manual