DTN-1 designed to receive two digital transponders in DVB-S/S2 format from satellite and descramble selected programs with standard plug-in decoder modules (CAMs). Using built-in multiplexer, services from both receivers and transport stream input can be combined into output transport stream.
Unlike DTN-1, equipped with DVB-S/S2 receivers, DTN-1t has DVB-T2/T/C receivers for receiving digital terrestrial or cable broadcasts. Otherwise DTN-1t is not different from a «satellite» DTN-1. There is a multiservice BISS descrambler built-in in device’s multiplexer.
|Frequency range||950-2150 MHz||48-862 MHz|
|Tuning step||1 MHz||0,1 MHz|
|Input level||47-70 dB/µV||-78…-20 dBm|
|Input resistance||75 Ω||75 Ω|
|Modulation type||QPSK, 8PSK (DVB-S/S2)||COFDM/QAM(DVB-T2/T/C)|
|Symbol rate range||1-45 Ms/s||5-8 Ms/s|
|Decoding of encoded programs|
|Type of scrambling system||determined by the type of installed CAMs|
|Number of CAMs||2|
|Total number of descrambling programs||up to 40|
|Transport stream multiplexer|
|Input speed range||2-216 Mbit/s|
|Output speed range||2-216 Mbit/s|