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GPS300 - GPS Antenna Signal Splitter

Instock Wireless Components
Prix nous consulter Référence : GPS300

3 Way, N Type, Passive, L1 & L2, 50 Ohm

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To maintain optimum signal integrity and power transfer, remember to terminate all unused ports with a well-matched 50 ohm coaxial load! See N Type Male Termination.

Description du splitter GPS300

La description et les caractéristiques techniques sont en anglais pour respecter au mieux les données du fabricant.

Product Overview

  • GPS L1 - L5, GLONASS, Galileo Splitter
  • Low Insertion Loss (0.3 dB avg)
  • High Port-to-Port Isolation (30 dB avg)
  • Excellent VSWR (1.10 : 1 avg)
  • 15 VDC & 75 mA max on DC block ports
  • RoHS Compliant Splitter Construction


GPS300 is a three way, passive GPS signal splitter ideal for splitting a GPS antenna signal between three (3) receivers while providing a DC current path to power a remotely located active GPS antenna from one receiver while blocking the DC path from the others. Furnished with N type female connectors all ports. A special feature of this unit is the 200 ohm internal load which provides a current drain for the GPS receivers not powering the active antenna. Some GPS receivers incorrectly sense an antenna fault when there is no current draw. The 200 ohm internal loads provide for a simulated antenna current drain which prevents receiver faulting. Max voltage rating at the DC blocked ports is 15 VDC; maximum current rating is 75 mA. Max voltage rating at the DC pass port is 50 VDC; max current rating is 1000 mA.


The heart of the unit is a precision designed and etched Wilkinson type microstrip circuit on a low loss, high frequency, dielectric substrate. Electrical performance is highlighted by 0.6 dB max insertion loss (above the -4.77dB power split), 18 dB min isolation, 1.30:1 max input VSWR and 1.25:1 max output port VSWR. Equal power split and symmetry is displayed by 0.2 dB amplitude balance and 3 degrees phase balance. Narrow band performance in L1 and L2 GPS bands will be even better. See 3 way GPS splitter test sweeps for details. DC blocks and 200 ohm internal loads are specially designed to be RF transparent with negligable effect on performance.


Mechanical features include precision CNC, brass, 50 ohm N type female coaxial connectors with tri alloy plating to insure tarnish resistance and low PIM operation. Connector pins are gold-plated phosphor bronze for reliability and low contact resistance. Virgin electrical grade PTFE support insulators captivate the contact pins enabling trouble free coaxial connector mating. Long term operation and superior shielding is assured by the rugged CNC machined aluminum housing with clear chemical film finish. Secure mounting is provided by two 0.125" diameter (3.18 mm) through holes. RoHS construction includes no-lead solder and a finish free of hexavalent chromium.


Housing dimensions are 2.98" wide by 2.98" deep by 0.88" high (75.7 x 75.7 x 22.2 mm). The N-type female (jack) connectors extend 0.65" (16.5 mm) from the housing. Operating temperature range is from -65°C to +85°C. Weight is 346 grams. See 3 way N type GPS splitter outline drawing for more information.


Model GP300 is a 3-way, passive, type N, GNSS splitter covering all frequencies from 1000 to 2000 MHz with best-in-class performance for GPS L1, L2, L3, L4, L5, GLONASS and Galileo global navigation satellite positioning systems.

Caractéristiques techniques du splitter GPS300

La description et les caractéristiques techniques sont en anglais pour respecter au mieux les données du fabricant.


Frequency Range 1-2 GHz
Insertion Loss above 4.77 dB 0.6 dB max
Amplitude Balance 0.2 dB max
Phase Balance 3° max
Isolation 18 dB min
Input VSWR 1.30 : 1 max
Output VSWR 1.25 : 1 max

Mechanical Specifications

Circuit Design Wilkinson; 1 DC pass, 2 DC block w/ 200Ω internal load
Connectors N Female, 50 Ohm Coaxial
Connector Body Brass, Tri-Alloy Plate
Connector Pin Phosphor Bronze, Gold Plate
Connector Insulator PTFE, Virgin Electrical Grade
Housing Aluminum, Clear Chem Film
Operating Temp -65°C to +85°C
Weight 346 Grams

3 Way Power Divider RF Input Rating

Into Matched Load VSWR's
1.2 : 1
In-Phase: 20 Watts
180° Out-of-Phase: 20 Watts
Into Matched Load VSWR's
2.0 : 1
In-Phase: 20 Watts
180° Out-of-Phase: 10 Watts
Into Matched Load VSWR's
In-Phase: 10 Watts
180° Out-of-Phase: 1 Watts

3 Way Power Combiner RF Input Ratings

Input Signals
In-Phase: 3 X 6.67 Watts
180° Out-of-Phase: 3 X 0.33 Watts
Input Signals
3 X 0.67 Watts