国产一级片久久久久久久18-午夜av中文字幕在线观看-国自产在线观看视频精品-资源一区二区三区在线播放

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?????????围?????255?????榈�????????,??????????1-6????,???????????????????????????
???????????????????????????????????4路????????????2路??????
????????????????协??,????????:Pelco_P VISCA_SONY-D70 Pelco _D 协??
??PC???????????????????????????寤�????
??RS232?????????锌????????璞�?????
???????????????????眉??????????????????????
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?????????Power supply??: DC12-17V
????????????Sensitivity??: -105dBm
???????(S/N Ratio):>90dB
??????(T.H.D):<0.05% dB@1KHz
????????效????(Working sistance):??100??
?????????(Frequency channels):6*60
??????(Power)??6.5W

?????IP??????????????????????????????????
?????????????????????卸????????????????????????????????懈???????
???????????????路?????????????????浼�????
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??LCD??????????????????????????ID???????????????????
??????????????????????????????????
??????????Power supply????DC 4.5V??AA1.5V*3
?????鏇�???Transmit power????10mW
??????????Microphone core?????????????????
???????????Sensitivity????-43??3dB@1KHz
??????????Frequency response????40-16KHz
????????????(Working time):???18小?

?????IP??????????????????????????????????
?????????????????????卸????????????????????????????????懈???????
???????????????路?????????????????浼�????
??????????????????????????????????????
??LCD??????????????????????????ID???????????????????
??????????????????????????????????
??????????Power supply????DC 6V??AA1.5V*3
?????鏇�???Transmit power????10mW
??????????Microphone core?????????????????
???????????Sensitivity????-43??3dB@1KHz
??????????Frequency response????40-16KHz
????????????(Working time):????18小?