User's Manual

Appendix: Specifications
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RF Specifications(US)
Downstream Upstream
n Operating Frequency Range 88-860MHz 5-42MHz
n Frequency Channel HRC, IRC, STD
n Frequency Selection Auto Scanning Controlled by Head end
n Bandwidth 6MHz Programmable (200*N KHz)
N=1, 2, 4, 8, 16
n Characteristic Impedance 75Ω Nominal 75Ω Nominal
n Signal Level Range -15 to +15dBmV/64QAM +8 to +58dBmV/QPSK
-15 to +15dBmV/256QAM +8 to +55dBmV/16QAM
n Modulation 64QAM/256QAM QPSK/16QAM
n Symbol Rate 5.056941/5.360537 160/320/640/1280/2560
Msym/sec Ksym/sec
n Maximum Bit Rate 42.88Mbps/256QAM 10.24Mbps/16QAM
30.34Mbps/64QAM 5.12Mbps/QPSK
n Forward Error Correction (FEC) RS (128,122)/Trellis Reed Solomon
n Bit Error Rate (BER) 1×10
-8
@ C/N=23.5dB, 64QAM with FEC
1×10
-8
@ C/N=30dB, 256QAM with FEC, received power = -6dBmV to
+15dBmV
1x10
-8
@ C/N=33dB, 256QAM with FEC, received power = -15dBmV to –
6dBmV
Wireless LAN
n Data Encryption 64/128 bit WEP
n Standard Compliance IEEE 802.11b
n Operating Frequency Range 2.4GHz (2400-2483.5MHz) ISM Band
N.America/FCC: 2.412~2.462GHz (11Channels)
Europe CE/ETSI: 2.412~2.472GHz (13Channels)
Japan : 2.412~2.484GHz (14Channels)
n Modulation 2.4 GHz Direct Sequence Spread Spectrum (DSSS) ,
CCK(11Mbps,5.5Mbps), DQPSK(2Mbps),DBPSK(1Mbps)
n Regulation Domain FCC / ETSI / IC / Spain / France / Telec
n Numbers of selectable channels Up to 14 (depend on Regulation Domain)
n Antenna 2 internal PCB antenna
n Media Access Protocol CSMA/CA with ACK for uni-cast data frame
CSMA/CA for multi-cast/broadcast data frame
n Tx Data Rate 11 / 5.5 / 2 / 1 Mbps, Auto Fall-Back
n Range in Open Space 11Mb/100m 5.5Mb/150m 2Mb/250m 1Mb/300m
n Range in Closed Office 11Mb/35m 5.5Mb/40m 2Mb/45m 1Mb/50m
n Receiver Sensitivity -80 dbm @ 11Mbps