ccHDTV Technology
Long distance transmission is one of DTV's five very attractive features. DTV can go 1 to 2 KM w/o amplifier over coax . Over this distance, the use of fiber can extend the distance to tens of KMs.
After IP surveillance have been launched to market, we often heard about a word of "Latency". What is "Latency"? Why we seldom hear "Latency" in CCTV时 Era? See it and you know everything.