User's Guide

Draft 1 BlueTree Wireless BT-4600/BT-5600 Product Manual 18
Chapter 3: Installation Requirements
Cellular antenna
Before you install the modem you will need the following:
To comply with FCC and Industry Canada regulations, cellular
antennas must meet the following specifications:
• Maximum rated gain of 3dBi for Cellular band and 4dBi for PCS
band
• Dual-band 800 & 1900 MHz
• Nominal 50 ohm impedance
• VSWR less then 2.5:1
• Male SMA connector
It is recommended to use 2 cellular antennas (RF1 and RF2) for
diversity and improved signal quality.
Warning: Antenna must not exceed 3dBi for Cellular band
and 4dBi for PCS band. This device must be used in mobile
configurations. The antenna(s) used for this transmitter must
be installed to provide a separation distance of at least 30cm
or 12 inches from all persons and must not be co-located or
operated in conjunction with any other antenna or transmitter.
Users and installers must be provided with antenna installation
instruction and transmitter operating conditions for satisfying
RF exposure compliance.
Warning: Only approved antennas may be connected to the
modem. Unauthorized antennas, modifications, or
attachments could impair data quality, damage the modem, or
result in the violation of FCC regulations.
GPS antenna
The selected GPS antenna must meet the following specifications:
• Active antenna with 3.3 volts preamplifier
• Nominal 50 Ohms impedance
• Male SMA connector
• Frequency band: 1575 MHz
Note: The GPS feature is only available on the BT5600 model only.
Combined GPS and Cellular antennas are available. Contact your local
representative for more details.