XM Satellite Radio - If you're using an XM Radio in your home or office, this 50-foot extension cable expands the installation options of the indoor/outdoor XM antenna (with its 20' cable) that's included with the home kit.

Extension cables can easily be daisy chained together- up to 400 feet.

Specifications:

Gain: 0dB +/- 1dB at 2.3 GHz
NF: 5dB
Current Draw: 10 mA
Frequency Range: 2.3-2.4 GHz
Impedance: 50 ohms
VSWR: <2:1
Compatible with the following:

All XM radios produced since 2004