... module,Data rate: Downstream 55Mbps,Upstream 60Mbps CMTS-DAV CABLE MODEM FunctionInternal TV optical receiving & amplifying processing, there ... the network structure and reduced the construction costUse cable modem or set-top box at the head end, ... one channel for whole network, and enable the cable modems to be online rapidly.remote monitoring, powerful ... please send me email. CMTS-DAV CABLE MODEM