Product
Specifications
High Gain Surface Mount GPS
Antennas
(Pat.Pnd.)
Dual Band Cellular/GPS or SMR/GPS
s
Available for Body/Surface Mount applications
SM1 Dual Band
s
High Performance dual band operates on Cellular
with 27 dB active GPS gain
s
High Gain 5 dBi and medium gain 3 dBi models
operate on 800/900 MHz bands
SM3 Dual Band
New Truck Mirror
Mount Option!
s
Ground plane independent, performs equally well
on fiberglass or metal
These higher gain models extend Mobile Mark's existing
GPS products by offering increased 900 MHz perfor-
mance without the need for a groundplane. Operating in
GPS as well as cellular, this product can be mounted to
a vehicle's surface or any bulkhead through a 3/4" hole.
face. The cellular cable is 15 feet of RG-58 with a TNC
connector. Other connectors and configurations are
available upon request.
The antennas are enclosed in a weatherproof polycar-
bonate radome. Everything needed for installation is
The antenna provides completely independent dual band included.
operation. These designs provide either a collinear 14"
Model Numbers
whip; or a low profile monopole whip. The whips can
Model
Description
even be interchanged without effecting GPS sensitivity.
SM1-900/1575
3 dBi Cellular/CDPD & GPS
SM1-837/1575
3 dBi Lowband SMR & GPS
GPS performance is 27 dB, with 5 dBi antenna gain.
SM1-925/1575
3 dBi Highband SMR & GPS
The GPS circuitry has a low noise figure (2.0 dB max)
with excellent filter characteristics. No interaction occurs
SM3-900/1575
5 dBi Cellular/CDPD & GPS
between the bands. Power for the GPS amplifier (+5
SM3-837/1575
5 dBi Lowband SMR & GPS
VDC) and signal is applied through the same cabling
SM3-925/1575
5 dBi Highband SMR & GPS
directly to the GPS circuit.
The antennas are outfitted with 15 feet of RG-174 cable
and SMB plug (or SMA) connectors for the GPS inter-
Please specify SMB or SMA connector for GPS. Please
consult factory for other configurations or options.
Specifications
Frequency:
Cellular
Lowband SMR
Highband SMR
GPS
Cellular/SMR Gain:
GPS Gain:
VSWR:
Noise Figure:
Operating Temp:
Nominal Impedance:
Maximum Power:
Amplifier Bias:
Current Drain:
824-894 MHz
806-870 MHz
890-960 MHz
1575.42 +/- 2 MHz
See above
27 dB Amplifier, 5 dBi Antenna
2:1 max over range
2.0 dB max, 1.7 dB typical
-40
o
to +85
o
C
50 ohms
10 Watts for 800/900 MHz
+5 VDC +/-10% (GPS)
20 mA max
Cable:
GPS
Cellular/SMR
Case Material:
Dimensions:
Mounting:
Cellular Whip:
Cable Attachment:
Connector :
RG-174, 15 feet
RG-58, 15 feet
Polycarbonate
14 1/2" overall height
(6 1/4" with 3 dBi whip).
Base alone is 1" H x 2 5/8" D
3/4" diameter feed thru, 3/4" long
thread for up to 1/2" thick surface
304 Stainless Steel
Integral to device, bottom exit
TNC Cellular/SMR, SMB or SMA
on GPS. Consult factory for other
configurations.
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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