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TECHNICAL SPECIFICATIONS

To view our full line of cable modems, gateways and networking products,
visit our Web site at www.motorola.com/broadband/consumers

MOTOROLA and the Stylized M logo are registered in the US Patent & Trademark Office. All other product or service names are property 
of their respective owners. SURFboard® and design are registered trademarks of General Instrument. Linux is a registered trademark of
Linus Torvalds. Windows® is a registered trademark of Microsoft Corporation. Macintosh® is a registered trademark of Apple Computer, Inc.
UNIX is a registered trademark of The Open Group in the United States and other countries. DOCSIS® is a registered trademark of Cable
Television Laboratories, Inc. TurboDOX™ is a trademark of Texas Instruments. © Motorola, Inc. 2005.

GENERAL

CABLE INTERFACE
F-connector, female, 75 

LOCAL NETWORK INTERFACE
USB, Ethernet 10/100Base-T

DATA PROTOCOL
TCP/IP

PHYSICAL DIMENSIONS
6.2'' (H) x 2.3'' (W) x 6.0'' (L)

POWER
9 Watts  (nominal)

INPUT POWER
North America: 

105 – 125 VAC, 60 Hz

International: 

100 – 240 VAC, 50 – 60 Hz

DOWNSTREAM

MODULATION
64 or 256 QAM

MAXIMUM DATA RATE**
38 Mbps

BANDWIDTH
6 MHz

SYMBOL RATE
64 QAM, 5.069 Msym/s
256 QAM, 5.361 Msym/s

OPERATING LEVEL RANGE
-15 to +15 dBmV

INPUT IMPEDANCE
75 

(nominal)

FREQUENCY RANGE
88 – 860 MHz

UPSTREAM

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

MAXIMUM DATA RATE**
30 Mbps

BANDWIDTH
200 kHz, 400 kHz, 800 kHz, 
1.6 MHz, 3.2 MHz, 6.4*** MHz

SYMBOL RATE
160, 320, 640,1280, 2560 and
5120*** ksym/s

OPERATING LEVEL RANGE
A-TDMA: 

+8 to +54 dBmV 
(32QAM, 64QAM)

+8 to +55 dBmV
(8QAM, 16QAM)

+8 to +58 dBmV (QPSK)

S-CDMA:

+8 to +53 dBmV
(all modulations)

OUTPUT IMPEDANCE
75 

(nominal)

FREQUENCY RANGE
5 – 42 MHz (edge to edge)

ENVIRONMENTAL

OPERATING TEMPERATURE
32° F to 104° F (0° C to 40° C)

STORAGE TEMPERATURE
-22° F to 176° F (-30° C to 80° C)

HUMIDITY
0 to 95% R.H. 
(non-condensing)

* Actual speeds will vary, and are often less than the maximum possible. Actual speeds are affected by several factors including, but not limited to: the capacity of and the services offered 

by your cable operator or broadband service provider, network traffic, computer equipment, type of server, number of connections to server, and availability of Internet router(s).

** Stand-by switch disconnects the USB and Ethernet connection to the computer without disconnecting the cable modem from the RF network.

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

**** With S-CDMA enabled CMTS.

J-5637-1104-5K

                                                  

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