Sierra Wireless AirLink 595W, User Manual

Page: 30 / 88

AirLink MP595 / MP595W Modem User Guide
24 2130795
· 1900 MHz (PCS)
· 800 MHz (Cellular)
You can use a dual ‐ band antenna that supports both fre ‐
quencies. If your MP modem will only be connected to net ‐
works that use one of the bands, an appropriate single ‐
band antenna is sufficient. Contact your service provider
for information about radio bands used in your area.
• Access point antenna. The 2.4 GHz AP antenna connects to
the AP antenna connector on the rear of the MP modem.
For more information about antennas for your installation
contact your account manager.
GPS antenna
The GPS antenna connects to the MP modem using a male
SMA connector. Contact your account manager for more infor ‐
mation about compatible GPS antennas.
MP 595880W only)
The AP antenna must be installed by an RF professional. The
AP antenna connects to the MP modem using a reverse
polarity male SMA connector.
Note: The WiFi antennas
approved for use with this device
must be of either a PCB omni
antenna with a gain of no more
than +2 dBi, or a dipole antenna
with a gain of no more than
+5dBi. No other antennas are
approved for use with this
device.
Antenna locations
When selecting locations for the Main RF, GPS, and AP
antennas:
• Refer to the documentation provided with each antenna to
determine whether it requires a ground plane.
• Ensure that the Main RF antenna is mounted at least 20 cm
(8 inches) from vehicle occupants and bystanders.
• Ensure that all radio antennas (Main RF, GPS, CB radio,
car radio) are mounted at least 20 cm or more apart (30 cm
recommended).
• If you are using receive diversity, connect an additional RF
antenna to the diversity antenna connector (SMA) on the
back of the MP 595 modem. Ensure that the two RF
antennas are 30 to 60 cm (12 to 24 inches) apart.
• (MP 595875W only) Ensure that the AP antenna is
mounted at least 20 cm from the Main RF antenna.