Features: 304 satellite multiswitch has two satellite signals (one is vertical,the other is horizontal)and one TV signal.It is designed for 4 or less independent satellite receivers.The power (including the switch and LNB)is supplied by the users' DVB. 22K control signal can reach LNB and it is compatible to various kinds of LNB. Specifications: Frequency rangeInputSAT950-2300TV47-872Output47-2300ControlV/HInsertion lossSAT3.5dBTV8dBIsolationSAT/SAT28dBTV/SAT23dBInput/Output connector75RWorking current40mA(MAX)Transmission current1500mA(MAX)Working VoltageDC12-20VTemperature Range-40- +80°CVolume9X7.2X1.7cm