Product
Specifications
Surface Mount GPS Antenna
(Pat. Pnd.)
GPS Only & Dual Band 900 MHz/GPS
s
Mounts easily to roof, trunk or bulkhead
s
High performance GPS with 27 dB active
amplifier
Dual Band 900 & GPS
Also available in
black or grey!
Single Band GPS
s
Secure & low profile 3/4" high, mounts to
5/8" hole
s
Single band GPS & Dual Band 900/GPS
models for AVL applications
excellent filter characteristics. Power for the GPS ampli-
fier (+5 VDC) and signal is applied through the same
cabling directly to the GPS circuit.
For the dual band model, cellular performance is pro-
vided by a low profile, yet high efficiency airdielectric
radiating element. This maintains effective radiation
across the desired frequency range, with omnidirectional
coverage. Unity gain performance is maintained.
The antennas are enclosed in a weatherproof polycar-
bonate radome, and supplied with all mounting hardware
and sealing gasket. The single band radome is 2.5" in
diameter, the dual band is 4.5".
Antenna Model Numbers
Model
Description
SM-1575
Surface mount GPS with amplifier
SM-900/1575 Surface mount Cellular/CDPD & GPS
SM-837/1575 Surface mount Low SMR & GPS
SM-925/1575 Surface mount High SMR/GSM & GPS
Specify SMB or SMA GPS connectors at time of order.
Consult factory for other options and configurations.
These antenna are tough all around performers. The
surface mount dual and single band antennas are very
low profile, perfect for any vehicle, cargo trailers and
more.
Models include a single band GPS only version, as well
as several dual band 900 MHz & GPS antennas. The
dual band 900 MHz & GPS versions allow multiband
operation for a variety of AVL applications. Models are
available for Cellular, CDPD, and other private networks.
Separate cabling is provided for the GPS and 900 MHz
interface.
The design uses a 5/8" feed thru for securing to the
vehicle. Access to the underside of the body surface is
required to complete the installation. The antennas are
outfitted with 15 feet of RG-174 cable with SMB or SMA
connectors for the GPS interface. The cellular/SMR
cable is 15 feet of RG-58 with a TNC connector. Other
cable lengths and connectors are available, please
consult factory for details.
GPS performance is 27 dB, with 5 dBi antenna gain. The
GPS circuit has a low noise figure (2.0 dB max) with
Specifications
Frequency:
GPS
Cellular/CDPD
Low SMR
High SMR/GSM
Cellular Gain:
GPS Gain:
VSWR:
Noise Figure:
Operating Temp:
Nominal Impedance:
Maximum Power:
Amplifier Bias:
1575.42 +/- 2 MHz
824-894 MHz
804-870 MHz
890-970 MHz
Unity
27 dB, 5 dBi Antenna
2:1 max over range
2.0 dB max, 1.7 dB typical
-40
o
to +85
o
C
50 ohms
20 Watts (800/900 MHz Band)
+5 VDC +/- 10% (GPS)
Current Drain:
Cable:
GPS
Cellular/SMR
Case:
Case Material:
Mounting:
Hardware:
Connector :
20 mA max
RG-174, 15 ft, exits at bottom
RG-58, 15 feet, exits at bottom
2.5" diameter x 3/4" high for GPS
4.5" diameter for dual band
Polycarbonate
5/8" diameter feed thru, 3/4" long
thread for up to 1/2" thick metal
Nut, lockwasher and gasket included
SMB plug or SMA for GPS, TNC for
900 MHz bands. Consult factory for
other configurations and connectors.
US Office & Headquarters: 3900-B River Road, Schiller Park, IL 60176 Tel: 800-648-2800 or 847-671-6690 Fax: 847-671-6715
UK Office: 106 Anglesey Business Park, Hednesford, Staffs. WS12 5NR UK Tel: (+44) 1543-878343 Fax: (+44) 1543-871714
Visit our web page at www.mobilemark.com. Specifications subject to change without notice (6/2000).
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