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JDGA Twist-On Pro Active GPS Stubby Antenna 30db gain 3.0 to 5.5VDC
Submersible Omni-Directional
No Ground Plane Required
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Jim D. Gray & Associates, Inc. |
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972-699-9976 |
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JDGA Twist-On Active GPS Antenna provides 30dB of gain in a small quadrifilar helix package.
Twist-On Pro Active Product Summary GPS L1-band quadrifilar helix antenna Integral balun 30dB gain High isolation from platform rejects common-mode noise Negligible proximity de-tuning Up to 55dB filtering of common cellular frequencies Constrained near-field does not interact with nearby components or the user Strong circular polarization Stable 50 ohm impedance Broad beamwidth excellent near-horizon reception Predictable performance in all modes of use Submerdible to 150+ meters ROHS Compliant
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Twist-On Pro Specifications |
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Frequency: |
1575.42MHz ± 2MHz |
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Polarization: |
RHCP |
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Voltage |
3.0Vdc - 5.5Vdc |
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Current |
25mA |
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Gain: |
30dB (zenith typical w/o ground plane) |
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Beamwidth: |
> 120° (typical) |
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Bandwidth (3dB) |
20MHz |
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Axial Ratio: |
< 2.0 (zenith typical) |
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VSWR: |
< 2:1 (typical) |
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Impedance: |
50 Ω |
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Noise Figure |
1.2~1.3dB |
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Op. Temp.: |
-40 to +85°C |
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Overall Dim.: |
15mm diameter x 55mm length (including SMA male connector) |
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Available connectors |
SMA male (Other connectors available upon request) |
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GPS Receivers & GSM / GPRS Modems |