... interference, emitting frequency interference or ground current.9. The video, audio, data, and Ethernet ports have lighting protection ... function, and is confidential to prevent illegal filching video. 11. It is plug-and-play and supports ... 5dBm,-8dBm~ -15dBmReceiving Sensitivity≤-34dBmVideo FeatureNumber of Video Port1~16 channel(s)Video Port ModeBNCInput/Output Impendence75 Ω(unbalanced)Input/Output ...