1. Use 2.4GHz ISM frequency band. 
2. 250 m transmission range without any holdback. 
3. 8 groups of selectable AV channels, it can effectively avoid the interference from router and other wireless device. 
4. Support 2 groups of AV signal input, 1 group of AV signal output, 1 group of AV extension output. 
5. Keep Transmitter and receiver setting at the same channel, it can support one transmitter and more receivers at the same time. 
6. Support 2.4GHz wireless channel remote switch, AV signal switch, IR remote control at receiver end. 
7. Support DVD, DVR, IPTV, CCTV Camera, Satellite receiver, Digital STB and other AV output devices. 
8. Support 8 groups of superheterodyne 433MHz wireless channel to avoid the interference from same channel, While Compatible for 38KHz/ 56KHz infrared carrier transmission. 
9. Transmitter have built-in infrared signal emission or have infrared transmission extension cable, so that you can do remote control the signal from DVD, DVR, STB, IPTV and other device. 
10. Support video transmission of PAL/ NTSC system and stereo audio transmission, Pictures received are clear, flamboyant and stable. 
11. Full hardware design without installing any software, plug and play, simple and convenient. 
12. Fashionable design, Machine dimensions: 11.2 × 8.8 × 3.5 cm.