Technical Specifications
106
SMCD3GN2 Wireless Cable Modem User Manual
CHANNEL BONDING
y Downstream: Up to 8 channels
y Upstream: Up to 4 channels
RECEIVER
y Demodulation: 64/256QAM
y Bandwidth: 6MHz
y Max. Data Rate per Channel: 30Mbps( 64QAM), 43Mbps( 256QAM)
y Frequency Range: 88~1002MHz
y Signal Level: -15dbmV to + 15dbmV
y Input Impedance: 75Ω
y Input Return Loss: >6 dB over 88MHz – 1002 MHz
TRANSMITTER
y Modulation:
– TDMA:QPSK, 8,16,32,64QAM,
– S-CDMA: QPSK, 8,16,32,64,128QAM
y Bandwidth:
– TDMA:200, 400, 800, 1600, 3200,6400kHz
– S-CDMA: 1600, 3200, 6400kHz
y Max. Data Rate per Channel:
– 320,640,1280,5120,10240kbps (QPSK)
– 480, 960,1920,3840,7680,15360kbps (8QAM)
– 640, 1280, 2560,5120,10240,20480kbps (16QAM)
– 800,1600,3200,6400,12800,25600kbps (32QAM)
– 960, 1920, 3840, 7680,15360,30720kpbs (64QAM)
– 8960,17920,35840kbps (128QAM)
y Frequency Range: 5MHz- 42MHz
y Output Signal Level:
– TDMA: +8 to +54dBmV (32QAM, 64QAM);+8 to +55dBmV (8QAM, 16QAM);+8 to
+58dBmV (QPSK)
– S-CDMA: +8 to +53dBmV( all modulation)
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