JDGA Twist-On Passive GPS Antenna -2.8db gain

 

Omni-Directional GPS Antenna No Ground Plane Required

 

 

Jim D. Gray & Associates, Inc.

Supporting O.E.M.s since 1977

1-972-699-9976

Twist-On Passive GPS Stubby Product Summary

GPS L1-band quadrifilar helix antenna

-2.8dB pre-amplified gain

High isolation from platform rejects common-mode noise

Negligible proximity de-tuning

Up to 44dB filtering of common cellular frequencies

Constrained near-field does not interact with nearby components or the user

Circular polarization

50 ohm impedance

Waterproof High Impact Composite enclosure

RoHS Compliant

Submersible beyond 100m

 

 

Twist-On Passive GPS Stubby Specifications  

 

 

Frequency:

1596Mhz

Polarization:

RHCP

Efficiency

27% (total); 50% (hemispherical)

Gain:

-2.8dB (zenith typical w/o ground plane)

Beamwidth:

> 120 (typical)

Bandwidth (3dB)

+/-20MHz

Axial Ratio:

< 2.0 (zenith typical)

VSWR:

< 2:1 (typical)

Impedance:

50 Ω

Op. Temp.

-40 to +85C

Overall Dim.

15mm diameter X 45mm length

Available connectors

SMA male

Paret No

080907-02

 

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