Power Splitter / Power Combiner

GPS221 - GPS/GNSS Antenna Signal Splitter

2-Way, TNC Female, IP67 Weatherproof, 1-2 GHz

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IP67 Weatherproof GPS  Splitter - 2 Way, TNC Female

GPS antenna / signal splitter
IP67 outdoor weatherproof design

  • GPS L1 - L5, GLONASS, Galileo splitter
  • Low Insertion Loss (0.2 dB avg)
  • High Port to Port Isolation (30 dB avg)
  • Excellent VSWR (1.10 : 1 avg)
  • 15 VDC & 75 mA max on DC block port
  • Tri Alloy TNC Female (Jack) 50 Ohm
2 Way Power Divider RF Input Ratings
Into Matched
Load VSWR's
In-Phase 180°
Out-of-Phase
1.2 : 1 20 Watts 20 Watts
2.0 : 1 20 Watts 5 Watts
VSWR = infinity (open or short) 10 Watts 0.5 Watts
2 Way Power Combiner RF Input Ratings
Input Signals In-Phase 180°
Out-of-Phase
Coherent 2 X 10 Watts 2 X 0.25 Watts
Non-Coherent 2 X 0.5 Watts
IP67 Outdoor Weatherproof GPS Splitter TNC-jack Outline Drawing
Mechanical Specifications
Circuit Design ……… 
 
Wilkinson; 1 DC pass, 1 DC
block w/ 200Ω internal load
Connectors ……………  TNC Female, 50 Ohm Coaxial
Body ……………………  Brass, Tri-Alloy Plate
Connector Pin …  Beryllium Copper, Gold Plate
Insulator ……………  PTFE, Virgin Electrical Grade
Housing …………………  Aluminum, Clear Chem Film
Operating Temp …  -65°C to +85°C
Weight ……………………  232 Grams

GPS221 - TNC-Jack GPS Signal Splitter Specifications

Frequency Range (MHz) Insertion Loss above 3.01 dB Amplitude
Balance
Phase
Balance
Isolation Input
VSWR
Output
VSWR
1000-2000 0.4 dB max 0.2 dB max 3° max 22 dB min 1.25 : 1 max 1.20 : 1 max

GPS221, 1-2 GHz (GPS) TNC Splitter Combiner Test Data

GPS Signal Splitter, 2 Way, TNC Jack - Insertion Loss
Insertion Loss Test Sweep for Model GPS221 from INSTOCK Wireless.
GPS Signal Splitter, 2 Way, TNC Jack - Isolation
Isolation Test Sweep for Model GPS221 from INSTOCK Wireless.
GPS Signal Splitter, 2 Way, TNC Jack - VSWR
Input VSWR Test Sweep for Model GPS221 from INSTOCK Wireless. Output VSWR Test Sweep for Model GPS221 from INSTOCK Wireless.

Input Return Loss

Output Return Loss

GPS221 - Features & Benefits

Overview

GPS221 is a two way, passive, GPS signal splitter ideal for splitting a GPS antenna signal between two 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 other. Furnished with TNC female connectors all ports. A special feature of this unit is the 200 ohm internal load which provides a current drain for the GPS receiver not powering the active antenna. Some GPS receivers incorrectly sense an antenna fault when there is no current draw. The 200 ohm internal load provides a simulated antenna current drain which prevents receiver faulting. Max voltage rating at the DC blocked port is 15 VDC; maximum current rating is 75 mA. Max voltage rating at the DC pass port is 50 VDC; max current rating is 2000 mA.

Electrical

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 0.4 dB max insertion loss (above the 3.01 dB power split), 22 dB min isolation, 1.25:1 max input VSWR and 1.20:1 max output port VSWR. Equal power split and symmetry is displayed by 0.2 dB amplitude balance and 3 degrees phase balance. Narrow band RF performance over your frequency range may be even better. See 2 way power divider test sweeps for details.

Mechanical

Mechanical features include precision CNC, brass, 50 ohm TNC female coaxial connectors with tri alloy plating to insure tarnish resistance and low PIM operation. Connector pins are gold plated beryllium copper 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.

Physical

Housing dimensions are 1.98" wide by 1.98" deep by 0.88" high (50.3 x 50.3 x 22.2 mm). The TNC female (jack) connectors extend 0.61" (15.5 mm) from the housing. Operating temperature range is from -65°C to +85°C. Weight is 232 grams. See 2 way outdoor GPS splitter outline drawing for more information.

Applications

Model GPS221 is a 2-way, passive, TNC-jack, 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 system applications, and is deployed worldwide.

Options / Additional Models

Standard Version: A standard version of this two way GPS splitter is available passing DC all ports and spanning 698-2700 MHz for L-Band, Public Safety Band, and 3G/4G LTE applications. PD2920

DC Blocking: Two DC blocking versions of this 2 way GPS splitter combiner available without the 200 ohm internal load:

PD5020: DC pass 1 port, DC block other port. Typically used for powering an active antenna through the DC pass port of the RF power divider splitter.

PD5022: DC block 2 ports. Typically used in combining applications to prevent passing DC to sum port or other input.

Indoor GPS Splitter: 1x2 GPS antenna signal splitter covering GPS / GNSS global navigation satellite system positioning frequency bands without silicon o-rings for indoor use. GPS220

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