3971D-DH-W PCTEL, 3971D-DH-W Datasheet
3971D-DH-W
Manufacturer Part Number
3971D-DH-W
Description
ANTENNA, GPS, DOME HEAD, LOW NOISE
Manufacturer
PCTEL
Datasheet
1.3971D-DH-W.pdf
(1 pages)
Specifications of 3971D-DH-W
Rohs Compliant
YES
*Order MMK1925 bracket for compatible mounting
© 2009 PCTEL, Inc. Product specifi cations are subject to change without notice.
3971D-DH-W Low Noise Permanent Mount
GPS Antenna
RF/Electrical Specifi cations
The 3971D-DH-W Permanent Mount GPS Antenna provides 28 dBd of gain and
has one of the industry’s lowest noise fi gures. It provides clear GPS signal
reception while minimizing loss-of-lock even in less than ideal conditions and
is the optimum choice for GPS Tracking and Timing applications with long
cable runs and stand alone GPS applications The 3971D-DH-W features a
precision tuned custom ceramic patch element, ESD circuit protection and a
high rejection SAW fi lter. Available in an all-plastic, non-corrosive white cone-
shaped radome for fi xed installations.
Features
• Weather proof, all-plastic, non-corrosive, cone-shaped enclosure
• Unique radome sheds water and ice, while eliminating problems associated
• 28dB gain
• Low current: 8mA (typ)
• ¾ inch thru-hole or bracket mount
• Voltage range 2.7 to 5.5 V
Mechanical Specifi cations
Environmental Specifi cations
Antenna Dimensions
PCTEL, Inc.
(diameter x height)
with bird perching
1575.42 MHz ± 10 MHz
GE Lexan
Center Frequency
2.36” x 1.73”
(60 x 44 mm)
Housing
-40°C to +85°C operating
Temperature Range
®
EXL9330
Weight
Connector
.11 lbs
(50 g)
TNC jack
Nominal Gain
-2 dBic @ 20°
3 dBic @ 90°
Vertical axis 50G,
other axes 30G
Shock
¾” thru-hole or bracket mount*
Mounting Method
Weatherproof
3 axis, sweep = 15 min
10 – 200 Hz log sweep: 3G
Current Draw
8 mA (typical)
IP67
Vibration
Low Noise Amplifi er
Specifi cations
Out-of-band Filter
Rejection
-10
-20
-30
-40
-50
-60
10
0
1.46
Nominal Gain:
Noise Figure:
Voltage:
28 dB @ 3.3V
0.8 dB (typical)
2.7-5 VDC
1.48
1.5
MOBILE ANTENNAS
WEB: www.antenna.com
1.52
1.54
GPS Antennas
1.56
Frequency (GHz)
1.58
1.6
1.62
1.64
1.66
1.68
1.7
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