TERRA TDX481 Multichannel digital modulator, which converts 8 DVB-S/S2 into 8 DVB-T channels.

Technical Specifications:

• Type: tdx481
• Inputs/Outputs: 8/8
• RF Input Count: 1
• Frequency: 950-2150 MHz
• Level/Impedance: 55-95 dBµV / 75 Ω
• Return Loss: ≥ 10 dB
• Loop Through Frequency Range: 950-2150 MHz / ≤ 1.5 dB
• LNB Supply: 0/13/18 V & 22 kHz, 500 mA total, DiSEqC 1.0, EN50494, EN50607
• Standard: DVB-S/S2*
• Modulation: QPSK, 8PSK, APSK 8/16/32
• Symbol Rate: 2 ÷ 45 Ms/s
• RF Output Standard: DVB-T
• RF Output Modulation: QPSK, QAM16, QAM64
• RF Output Frequency Range: 170-230 MHz / 470-862 MHz
• Channel Distribution: 4 + 4
• RF Output Level/Impedance: 90 ± 2 dBµV/75 Ω
• TS Bit Rate: < 31 Mbit/s
• MER: ≥ 35 dB
• Channel Width: 7 MHz / 8 MHz
• Guard Interval: 1/4, 1/8, 1/16, 1/32
• Code Rate: 1/2, 2/3, 3/4, 5/6, 7/8
• RF Output Return Loss: ≥ 10 dB
• Transmission Mode: 2K
• Total Output Level Adjustment: 0 ÷ -15.0 dB in 1 dB steps
• Loop Through Frequency Range: 45-862 MHz / ≤ 2.5 dB
• Management Port: standard IEE802.3 10/100 Base T
• Power Supply Voltage: 12 V ± 1 V
• Power Consumption (without external load): 1.2 A
• Power Consumption (with maximum external load): 2.2 A
• Operating Temperature Range: 0°C ÷ +35°C
• Dimensions/Weight (with packaging): 63x198x112 mm/1.24 kg