Data Sheet

QPRO Technical Data Sheet
Document 1137-0901, REV K 39
7 QPRO Recommended Installation Guidelines
7.1 QPRO Mounting Recommendations
· Remember that it is best to connect the UBATT (-) to chassis ground rather than the (-) battery terminal.
· Remember that the input voltage range is 6-32 VDC.
· On the 40-pin connector positive power UBATT (+) is located on pins 1 and 2 and negative UBATT (-) is
Pins 3 and 4.
· In order to protect wires installed within the engine compartment or along the undercarriage make sure
all wires are wrapped with wire loom.
7.2 Antenna Recommendations
ORBCOMM
When selecting an ORBCOMM antenna, make sure it is a 50 ohm 137-150.05 MHz antenna. Due to the
fairly wide frequency range used by ORBCOMM (137 - 150 MHz), and the variety of installation factors and
tradeoffs between antenna size, cost, and performance, it is often not practical to achieve a VSWR of below
1.5:1 throughout the 137 - 150 MHz frequency range. See the User’s Guide User’s Guide to Q4000/QPRO,
Document #1135-4713 for more details on antennas.
GSM/GPRS
• Gain must be less than 3dBi.
• Must be placed greater than 20cm from a person. If antenna is placed within 20cm of a person, the
system integrator needs to assess the final product against SAR regulation.
• If the antenna is co-located and transmitting simultaneously with another antenna, additional FCC/IC
testing may be required.
• Antenna cannot be placed within a metal shield and must be installed with care to avoid any
interference with other electronic devices.
IRIDIUM
Iridium Antennas must be approved by Iridium before being used on the Iridium network. A list of approved
antennas can be found on Iridium’s home page at www.iridium.com.
When selecting an Iridium antenna, make sure it is a 50 ohm, Gain 3dBi maximum, polarization Right Hand
Circular Polarized (RHCP) and VSWR 1.5:1 or better (in both receive and transmit bands) for optimal
messaging. Make sure that the Iridium antenna is located so it has an unobstructed view of the sky.
The antenna must be placed greater than 20cm from a person. If antenna is placed within 20cm of a person,
the system integrator needs to assess the final product against SAR regulation.
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