User Manual

Asset-Link 250 User Manual July 19, 2004
970-00047 Rev. 1.2
CSI Wireless©2004 Specifications subject to change without notice Page 6-1
6 Antennas
Asset-Link can be used with a number of different tri-band antennas (AMPS&GPS).
The product is be designed to the following minimum requirements:
• No damage caused by transmissions an open or short in the cellular antenna or
cable.
• No damage caused continued operation with a GPS open or short.
• The GPS will not be functional with an open/short on its antenna connector.
6.1 Cellular and GSM antenna
Cellular connection is a coaxial connector in a FAKRA SMB connector (Key C –
Signal Blue) or SMA (female) type connector.
Parameter Specification
Frequency 824 – 894 MHz
(North American AMPs Product)
Polarization Vertical
VSWR Max 2:1 over range
Max Power 2 Watts
Nominal Impedance 50 Ohms
Connector FAKRA SMB (Key C – Signal Blue)
Operating Temperature
-40°C - +85°C
Table 6-1 GSM & Cellular Antenna