It's old school, but it is still cable. Use it in that other place where you don't need the fancy high priced modem from the cable company.  38Mbps is plenty fast for most uses.

MOTOROLA SURFboard CABLE MODEM - 

WITH:

FEATURES:

Cable Interface -  F-Connector - female, 75 Ω
CPE Network Interface -10/100Base-T Ethernet,  USB 
Data Protocol TCP/IP
Single Ethernet port can handle up to 63 PCs or devices when networked

Dimensions 6.2 in H x 2.3 in W x 6.0 in D
(15.75 cm x 5.84 cm x 15.24 cm)
Power 9 W (nominal)

DOWNSTREAM

Modulation 64 or 256 QAM
Maximum Data Rate** DOCSIS ≤ 38 Mbps
Euro-DOCSIS ≤ 51 Mbps
Bandwidth DOCSIS 6 MHz
Euro-DOCSIS 8 MHz
Symbol Rate
DOCSIS 64 QAM 5.057 Msym/s, 256
QAM 5.361 Msym/s
Euro-DOCSIS 64 QAM 6.952 Msym/s, 256
QAM 6.952 Msym/s
Operating Level Range –15 to +15 dBmV
Input Impedance 75 Ω (nominal)

INPUT POWER

North America 105 to 125 VAC, 60 Hz
Outside North America 100 to 240 VAC, 50 to 60 Hz
ENVIRONMENTAL
Operating Temperature 32 °F to 104 °F (0 °C to 40 °C)
Storage Temperature –22 °F to 158 °F (–30 °C to 70 °C)
Operating Humidity 5 to 95% R.H.  (non-condensing)
Operating Altitude –200 feet to 10,000 feet AMSL
Operating Humidity 5% to 95%
Power supply meets H.R.6, ENERGY STAR, and CoC (European
Code of Conduct) requirements
100% recyclable packaging
Unit meets CoC requirements for Energy Consumption of
Broadband Equipment Unit is RoHS compliant (lead free)

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