3978D-HR-DH-W

GNSS ANTENNAS GPS Timing Reference Antennas 3978D-HR-DH-W High Gain & High Rejection Permanent Mount GPS Antenna RoHS COMPLIANT The 3978D-HR-DH-W high gain, permanent mount GPS Antenna provides 40 dB gain and superior out-of-band rejection performance and is the optimum choice for GPS Tracking and Timing applications with long cable runs and stand alone GPS applications. It features a precision tuned custom ceramic patch element for maximum signal reception, 15KV ESD circuit protection, a multi-stage LNA circuit and dual high rejection SAW filters. This enables the 3978DHR- DH-W 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 fixed installations. (71.63) (44.00) 3978D-HR-DH-W Features TNC FEMALE CONNECTOR • 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 with bird perching • Very high rejection dual SAW filter for superior out-of-band rejection • Voltage range: 2.7-5.5 V • High gain: 40 dB (typical) ( 60.00) STANDARD CONFIGURATION Model Connector Mount 3978D-HR-DH-W TNC jack ¾” thru-hole or bracket mount* ELECTRICAL SPECIFICATIONS - GNSS ANTENNA Frequency Range LNA Gain Element Gain Current Draw 1575.42 ± 10 MHz 40 dB 3 dBic @ 90° -2 dBic @ 20° 18 mA @ 3.3 VDC (typ.) ELECTRICAL SPECIFICATIONS - GNSS ANTENNA, continued DC Voltage Noise Figure Polarization Out of Band Rejection 2.7-5.5 VDC 3.1 dB (typical) Right hand circular > 50 dBc @ ± 40 MHz MECHANICAL & ENVIRONMENTAL SPECIFICATIONS Dimensions Weight 2.36” Dia x 1.73” H (60 x 44 mm) 0.11 lbs (50 g) Housing Material PC Temperature Range -40°C to +85°C operating ESD Circuit Protection Ingress Protection 15 KV IP67** * Order MMK1925 bracket for compatible mounting. ** When installed according to manufacturer’s installation instructions. PCTEL, Inc. WEB: www.antenna.com