|
Sarantel GeoHelix-SMP Passive GPS Antenna
|
|
Jim D. Gray & Associates, Inc. |
|
|
|
972-699-9976 |
|
Sarantel’s GeoHelix-SMP Passive GPS Antenna offers unbeatable performance in a small, surface mountable package.
The GeoHelix-SMP delivers stable performance in all modes of use, whether it’s measured in free-space or surrounded by lossy dielectric materials, and is suitable for embedded or externally mounted application
Ideal uses for the Geohelix-SMP GPS Antenna include PDAs/PNDs, smartphones, GPS/Bluetooth® navigation devices - any device where the GPS receiver or antenna co-exist with other RF or high frequency electronics or where the device is to be held or worn by the user.
Geohelix-SMP Product Summary GPS L1-band quadrifilar helix antenna Integral balun Requires no ground plane High isolation from platform rejects common-mode noise Negligible proximity de-tuning Up to 28dB filtering of common cellular frequencies Constrained near-field does not interact with nearby components or the user Strong circular polarization Broad beam width & excellent near-horizon reception Predictable performance in all modes of use |
|
|
|
|
|
Geohelix-SMP Specifications |
|
|
|
|
|
Frequency: |
1575.42MHz ± 2MHz |
|
Polarization: |
RHCP |
|
Voltage: |
|
|
Efficiency |
23% (total); 45% (hemispherical) |
|
Gain: |
-3.8dBic (zenith typical w/o ground plane) |
|
Beamwidth: |
> 120° (typical) |
|
Axial Ratio: |
< 2.0 (zenith typical) |
|
VSWR: |
< 2:1 (typical) |
|
Impedance: |
50 Ω |
|
Op. Temp.: |
-40 to +85°C |
|
Element Dim.: |
10mm diameter x 17mm length |
|
Overall Dim.: |
12mm diameter x 14mm width x 38mm length (w/radome) |
|
Mounting: |
SMT |
|
|
|
|
|
|
|
GPS Receivers & GSM / GPRS Modems |