|
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 |
|
972-699-9976 |
|
Twist-On Passive GPS Antenna provides –2.8dB of gain in a small quadrifilar helix package.
Twist-On Passive Product Summary GPS L1-band quadrifilar helix antenna Integral balun -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 Strong circular polarization Stable 50 ohm impedance Broad beamwidth excellent near-horizon reception Predictable performance in all modes of use Waterproof High Impact Plastic Enclosure RoHS Compliant |
|
|
|
|
|
Twist-On Passive Specifications |
|
|
|
|
|
Frequency: |
1575.42MHz ± 2MHz |
|
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 +85°C |
|
|
|
|
Overall Dim.: |
15mm diameter x 44mm length (including SMA male connector) |
|
Available connectors |
SMA male (Other connectors available upon request) |
|
|
|
|
|
|