The product consists of a transmitter and a receiver. It adopts an advanced 5.8GHz wireless transmission scheme and has the advantages of a long transmission range, strong anti-interference and high mobility. It can transmit AV signals of DVD, DVR, CCD camera, IPTV, satellite STB, digital TV STB and other similar devices, by means of radio waves and receive them at distant end and input them to a TV set to be displayed. Moreover, the IR remote controller can be used at the receiving end to realize the function of wireless control of devices from another place. It enables you to easily realize wireless sharing of HD AV data and enjoy untrammeled hi-fi audio and visual effects.
This review is from: 5.8GHz 8 Channel Wireless Audio Video AV Transmitter Receiver W/ IR Remote Extension Wire 200M
Pros: Simple design and board layout, small footprint, no fans or major heating issues, good channel selection, reception distance is good, but very directional (however that's given due to the frequency used). Infrared will transmit any device through it: stereo, tv, vcr, dvd, etc. making it great just for a simple remote transmitter. Stand that it comes with can be removed, or inserted(really scrwed is an inappropriate word??) in to hold the unit vertically. Also the base accepts 1 wall mounting screw, however it's not included.
Cons: The infrared transmitter is a separate board and frequency, when infrared is received whether it be the remote you're trying to use, or say a stereo remote (not what you're trying to control) the infrared transmitter will cause a little audio and video distortion(static) during use. There is no instruction as to what the jumpers relate to what frequencies, which I find highly annoying. I'm not sure which channels are 2.4ghz or 5.8ghz or whether the 5.8ghz was a marketing coy to sale it. I can say however the default channel selection was horrible as it was using around the same frequency of chan. 6 wifi thus causing major distortion due to the router. After tampering with the jumper for a few I finally found a decent dead channel. Unit is acceptable to noise interference no matter what, so try to keep it confined to a reception area free of computers/crt televisions/wifi components/etc. The antenna wire is directly feed into the small antenna on the back, if someone twists it more than 360 degs they will snap the antenna lead off the board. The infrared transmitter doesn't have a external antenna, but does have a decent size coil antenna inside the housing with the tip of it hanging out the back of the housing.
Other Thoughts: Video reception is comparable to watching a analog television channel at 480i, you know like you was used to watching back in the days. Audio reception and stereo seperation is better than the video quality. This unit uses analog transmission which is a lot better when it comes to terms of reception vs distance, where as digital would become choppy and pixelized. I am currently using this at around 100ft and works well with a small amount of static, no worse than watching a local television station before the days of digital with a set of rabbit ears. I would suggest using this in conjunction with a RF modulator and a short high quality RCA cable if you need extra transmission distance, or if you're feeding multiple televisions. Unit could be improved with a higher quality power supply(standard comes with 5V@1A), large capacitor across power leads, baluns on power and rca inputs, and moving the infrared antenna from inside the case to externally to cut back on interference during use.
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