SYMBOL RATES
64 QAM 5.069 Msym/s, 256 QAM 5.361 Msym/s
OPERATING LEVEL RANGE
–15 to 15 dBmV
64 QAM: –17 to +13 dBmV
256 QAM: –13 to +17 dBmV
INPUT IMPEDANCE
75 Ω (nominal)
FREQUENCY RANGE
88 to 860 MHz
Euro-DOCSIS: 108 to 860 MHz
6 MHz
8 MHz
Downstream
MODULATION
64 or 256 QAM
MAXIMUM DATA RATE3
DOCSIS ≤ 38 Mbps
Euro-DOCSIS≤ 51 Mbps
BANDWIDTH
DOCSIS
Euro-DOCSIS
WLAN RF CENTER FREQUENCY RANGE
North America2.412 GHz to 2.462 GHz
Outside North America 100 to 240 VAC, 50 to 60 Hz
DATA RATE AND MODULATIONTYPES
1 Mbit/s DBPSK; 2 Mbit/s DQPSK; 5.5 Mbit/s, 11 Mbit/s CCK; 6 Mbit/s, 9 Mbit/s, 12 Mbit/s, 18 Mbit/s, 24 Mbit/s, 36 Mbit/s, 48 Mbit/s, 54 Mbit/s OFDMOptions
INTERFACES
Cable interfaceF-connector, female, 75 Ω
4-port switch with corresponding 10/100 ports
CPE wired interface10/100 Fast Ethernet (auto-sensing)
CPE wireless interface 802.11b/g
Data protocolTCP/IP
Data
Wireless
802.11b/g, 802.11b DSSS,
802.11b/g OFDM, 802.1d, 802.3, 802.3u, 802.31CPE
DOCSIS 2.0
WMM, WPS, WPA, WPA2, and Wi-Fi Alliance Certified
General
STANDARDS COMPLIANCE
IEEE
DATA SHEET
SBG941 Series SURFboard Wireless Cable Modem Gateway
The SBG941 Series Wireless Cable Modem Gateway delivers:

•The speed of a DOCSIS 2.0 cable modem

•The mobility of a wireless LAN and the simplicity of “no new wires” technology

Three networking products in one

Integrated DOCSIS® 2.0 SURFboard cable modem, router with four 10/100 Fast Ethernet ports and auto-MDIX cross-over cable detection, and IEEE 802.11b/g wireless access point

Easy setup

An included CD-ROM provides an Installation Assistant, a Wireless Security Set Up Wizard, and multi-lingual product documents

Web-based management Manage data and wireless network using a Web-based interfaceAdvanced security

Built-in firewall with stateful Packet Inspection (SPI), intrusion detection, and Denial of Service (DoS) attack prevention

Extensible networking Network up to 253 desktop computers, laptops, and other Ethernet or wireless devices2 to create a full Class C network

Enterprise-capable

VPN pass-through (IPSec, PPTP, L2TP), CableLabs L2VPN compliant

Upstream

MODULATION

8***, 16, 32***, 64***, 128**** QAM or QPSK

MAXIMUM DATA RATE3

30 Mbps

BANDWIDTH

200 kHz, 400 kHz, 800 kHz, 1.6 MHz, 3.2 MHz, 6.44 MHz

SYMBOL RATES

160, 320, 640, 1280, and 2560, and 51204 ksym/s

OPERATING LEVEL RANGE4

A-TDMA

8 to 54 dBmV (32 and 64

 

QAM)

 

8 to 55 dBmV (8 and 16 QAM)

 

8 to 58 dBmV (QPSK)

S-CDMA

8 to 53 dBmV (all modulations)

 

 

OUTPUT IMPEDANCE

 

75 Ω (nominal)

 

 

 

FREQUENCY RANGE

 

DOCSIS

5 to 42 MHz (edge to edge)

Euro-DOCSIS

5 to 65 MHZ

Network

GATEWAY

DHCP, NAT, VPN tunneling; static routing and dynamic IP routing (RIPv1, RIPv2); SPI firewall with DoS protection and intrusion prevention; port, packet, and URL keyword filtering; full suite of ALGs; UPnP IGD 1.0

Supports CableLabs L2VPN specifications

WIRELESS LAN

802.11b/g Wi-Fi

NETWORK MANAGEMENT

SNMP v1, v2c, v3, IP v6 addressing; LAN-side DHCP server;

NAT, NAPT

Wireless device and its corresponding networks supportable by Motorola’s NBBS Management System

802.11i SECURITY

WEP-64/128, WPA-PSK, WPA, WPA2, TKIP, AES, 802.1x, 802.11i (pre-authentication)

DEVICE PAIRING

User-friendly Wi-Fi protected setup (WPS) for secure WPS compatible device pairing

***With A-TDMA or S-CDMA enabled CMTS

****With S-CDMA enabled CMTS