QA
Question: Do i have to install any APP before use?
Answer: --No, the wireless HDMI adapter is plug and play, the transmitter and receiver will automatically connect when power on. When you turn it on the projector will show a screen with instructions on how to connect it.
Question: What is the transmission range of your HDMI extender 4K, and how far away are they?
Answer: --When purchasing a HDMI wireless extender, the range is the important attribute you should check. Most HDMI wireless transmitter and receiver use IR technology (the popular 5G), which range you choose depends on your needs. But the higher the range, the more expensive the extender will be. Our wireless hdmi adapter use dual-band WIFI technology with 2.4G and 5G to transmit up to 30M (98.4FT) to meet your basic needs.
Question: Will this work through walls or is it line of sight?
Answer: -- The wireless extenders do not require a line of sight to operate. They operate on the 2.4G/5G Hz wireless band and transmit through indoor drywall/plasterboard walls. We do not recommend trying to communicate through thicker exterior walls, affecting the quality of video or audio transmission.
Question: What exactly is this for ? How to use it?
Answer: -- Its meant used for to transmit video and audio signal from the source to target by wireless transmission. Through the wireless network sent by the same screen device, the display device with HDMI interface or the mobile phone/tablet can be mirrored to the large-screen display terminal such as TV/large-screen all-in-one/projector .