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GPS/GSM Antenna
MODEL: GMA-200
1. GSM Antenna
General Description
Below is a table summarizing the antenna design specification.
1.1 Electrical Properties
|
Parameter |
Description |
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Frequency Band |
850/900/1800/1900/2170Hz |
|
Nominal impedance |
50ohm |
|
Polarization |
Vertical |
|
Electrical Wave |
1/4 λ Dipole |
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V.S.W.R |
2.0：1 |
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Antenna Average Gain |
0dBi |
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Note:Gain includes the cable loss |
1.2 Mechanical Properties
|
Parameter |
Description |
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Antenna Type |
External Antenna |
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Antenna Cover |
TPEE 630 |
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Touch Type |
Magnet Type |
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Connector Type |
SMA 180° (Male) |
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Antenna Dimensions |
47.3mm x 72.6mm |
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Cable |
RG174 – 3M or 5M |
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Antenna Color |
Black |
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Operating Temperature Range |
-20°C~+55°C |
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Storage Temperature Range |
-30°C~+55°C |
2. GPS Antenna
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Electrical Specifications |
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Input voltage |
2.3~5.5V |
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Current |
2.5V：6.6mA Typical |
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3V：8.6 mA Typical |
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4V：12.6 mA a Typical |
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5V：16.6 mA Typical |
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Antenna |
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Operating Frequency |
1575.42±1.023 MHz |
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Gain at 10° elevation |
-1 dBic Typ |
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Gain at Zenith |
5.0 dBic Typ |
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Bandwidth |
10MHz min.@S11≦10dB |
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Polarization |
R.H.C.P |
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Axial Ratio |
3.0dB Typ |
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LNA |
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Operating Frequency |
1575.42 ± 1.023MHz |
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Gain |
28dB Typ |
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Noise Figure |
1.5 dB Typ |
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Filter |
20 dB 25dB min @fo +/-50MHz
30 dB 35dB min @fo +/-100MHz
*fo=1575.42MHz |
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Output Impedance |
50ohm |
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VSWR |
2.0 max |
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