河道大桥无线视频监控

   QY-1800??3ì?￠é??ú??ê???±ê 1.1¤×÷?μ?ê: 980~1700MHz 2.?￠é?1|?ê: 20dBm~40dBm 3.ê?3?×è ?1: 50 ? 4.ê?è?êó?μ: 1V??-???μ 5.ê?è?ò??μ: 0.1-1.0V??-?? ê? ?￠ìì??6.1¤×÷μ??1: 12VDC?ò220VAC/50Hz 7.1¤×÷μ?á÷: 200~3000mA/12VDC 8.μ÷????ê?: FM 9.μ÷????±ê: DG 5%,DP?ü5??,PGS?Y7 10.μ÷??′??í:27MHz 11.êó?μ??ê?:PAL 12.???3???è:-40~+65??C ?ò??1?ó|oóμà′ó???T??êó?μ?à??oóμà′ó???T??êó?μ?à?? ?T??′?ê???°?,?T??í???′?ê?,?T??êó?μ′?ê?, ?T??μ÷???aμ÷?÷,?T ??′?ê???ê?,?T??í???′?ê?,?T?? ?T??ó°ò?′?ê?,ò??ˉêó?μ?à??, ?￠2¨ ?ú??, ?￠2¨??ê?,ò???í¨?à??,??3ì?à???μí3,??3ì?à??,??3ì?à???? °?,?￠2¨?à??, ò??ˉ?à???μí3,?à????°?,?à??, ó2?ì?????ú,±???μ?êó ?à??,′ó???à???μí3, ?à??1¤3ì,?à???÷2? ?à???÷2?3§?ò,?￠2¨?÷2?, êy×??￠2¨,?￡?a?￠2¨