3971D-HR-DH PCTEL, 3971D-HR-DH Datasheet
3971D-HR-DH
Manufacturer Part Number
3971D-HR-DH
Description
ANTENNA, GPS, DOME HEAD, HIGH REJN
Manufacturer
PCTEL
Datasheet
1.3971D-HR-DH.pdf
(1 pages)
Specifications of 3971D-HR-DH
Rohs Compliant
YES
*Order MMK1925 bracket for compatible mounting
3971D-HR-DH High Rejection Permanent
Mount GPS Antenna
The 3971D-HR-DH, permanent mount GPS Antenna provides 28 dB gain and su-
perior out-of-band rejection performance and is the optimum choice for GPS
Tracking and Timing applications with high RF fi elds. It features a precision
tuned custom ceramic patch element for maximum signal reception, 15KV ESD
circuit protection, a 3 stage LNA circuit and dual high rejection SAW fi lters.
This enables the 3971D-HR-DH to provide a reliable and clear GPS signal while
minimizing loss-of-lock, even when conditions are less than ideal. Available
in an all-plastic, non-corrosive conical package for vehicle mounting or fi xed
installations.
Features
• Weather proof, all-plastic, non-corrosive, cone-shaped enclosure
• ¾ inch thru-hole or bracket mount
• Unique radome sheds water and ice, while eliminating problems associated
• Very high rejection dual SAW fi ler for superior out-of-band rejection
• Voltage range: 2.7 to 5.5 V
• Low current draw: 8 mA @ 3.3 VDC
Mechanical Specifi cations
RF/Electrical Specifi cations
Environmental Specifi cations
Models
1575.42 MHz ± 10 MHz
Antenna Dimensions
with bird perching
(diameter x height)
Center Frequency
GE Lexan
2.36” x 1.73”
(60 x 44 mm)
Housing
-40°C to +85°C operating
Temperature Range
®
EXL9330
3971D-HR-DH-W
Part Number
3971D-HR-DH
Nominal Gain
-2 dBic @ 20°
3 dBic @ 90°
Weight
Connector
.11 lbs
(50 g)
TNC jack
Vertical axis 50G,
other axes 30G
Shock
Polarization
¾” thru-hole or bracket mount*
Right Hand
Circular
Mounting Method
GPS/AVIATION SPECIAL PURPOSE ANTENNAS
Weatherproof
3 axis, sweep = 15 min
10 – 200 Hz log sweep: 3G
Description
White radome
Black radome
IP67
Vibration
Current Draw
@ 3.3 VDC
PCTEL, Inc.
8 mA
GPS Timing Reference Antennas
WEB: www.antenna.com
Low Noise Amplifi er
Specifi cations
Out-of-band Filter
Rejection
Nominal Gain:
Noise Figure:
Out-of-Band Signal Rejection:
Voltage:
ESD Circuit Protection:
28 dB
3.1 dB (typical)
See chart below
2.7-5.5 VDC
15 KV
171
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