高性能 GPS 天線，採用 IP67 防護外殼
GA-22
為您的 AIS 應答器優化
概述
GA-22 是我們為 AMEC AIS 產品設計的新款 GPS 天線，也可替換運用在其他導航設備。
該 GPS 天線專為滿足嚴苛的海洋環境需求而設計，已通過 AMEC AIS 應答器測試及所有相關環境測試。其抗紫外線外殼具備 IP67 防水等級，內建高性能低噪聲放大器 (LNA) 以確保卓越的靈敏度。
GA-22 提供兩種安裝方式：桿式安裝和基座安裝。配有 10 米 RG174 電纜，方便布線與安裝。
規格
|
GPS ANTENNA |
|
|---|---|
|
Center Frequency |
1575.42 MHz ± 2 |
|
Bandwidth |
10 MHz |
|
VSWR |
1.5 Max (Typical 1.3) |
|
Axial Ratio |
1.5 dB Typical |
|
Radiation Eifficiency |
-60% |
|
Polarization |
Right Hand Circular Polarization |
|
LNA (LOW NOISE AMPLIFIER) |
|
|
Frequency |
1575.42 MHz |
|
Gain |
29 dB Typical @ 3.3V DC |
|
VSWR |
2 Max |
|
Noise Figure |
0.95 dB Typical |
|
Out-Band Attenuation |
20 dB min. @ fc ± 50 MHz |
|
DC Power Input |
DC 3 ~ 5 V |
|
Power Consumption |
5mA @ 3.3V, 8.5mA @ 5V |
|
Output Impedance |
50Ω |
|
GPS ANTENNA & LNA |
|
|
Frequency |
1575.42 MHz |
|
Gain |
31 dB Typical |
|
Noise Figure |
0.65 dB Typical |
|
Axial Ratio @ Zenith |
1.5 dB Typical |
|
VSWR |
1.5 Max (Typical 1.3) |
|
Impedance |
50Ω |
|
ENVIRONMENTAL |
|
|
Operating Temperature |
-30°C~+55°C |
|
Storage Temperature |
-30°C~+70°C |
|
Relative Humidity |
95% @ 40°C, non-condensing |
|
Water Resistance |
IP67 |
|
PHYSICAL |
|
|
Dimension |
81 mm (Dia.) x 81 mm (H) |
|
Weight |
303 g (incl. cable and mounting) |
|
Connector |
TNC (male) |
|
Cable |
10M RG-174 Cable |
下載
Documents
| DESCRIPTION | UPDATE |
|---|---|
| GPS Antenna GA-22 product brochure v1.3 | 2023/08/24 |
| GA-22 User Guide | 2018/06/20 |