MAR-4 GPS and GSM Dual Marine 天線
For GPS tracking systems, M2M solutions and telemetry applications
介紹
MAR-4 is a low profile combine 天線 for telemetry, fleet management, GPS tracking and M2M applications. Its GPS 天線 has unique 10 watt RF protection, 3 signal noise filters and 2-stage LNA (Low Noise Amplifier) design, which provides the most accurate signal to GPS devices.
特征
- 1. 防水防曬
- 2. 螺絲固定型
- 3. 10瓦特 抗無線射頻干擾設計
- 4. 支援3~6V電源供應及短路保護
- 5. 3組信號噪音過濾器和2階段訊號放大器
- 6. 線材中心鍍銀，利於傳導
- 7. 雙重隔離編織層的同軸電纜線，低訊號耗損
- 8. 符合RoHS標準
規格
| Architecture |
| RF protection (10 watt) |
| 2 Stages active LNA (Low Noise Ampfiler) |
| Dual Filters, (HPF & LPF (Lump element)) |
| Dielectric Patch 天線 |
| Low Noise Low drop-out, Linear Regulator |
| GPS receiver short circuit protect |
| Low Loss RG/174 Coax cable |
| Aluminum Base/ PC+ Radome Plastic |
| Mechanical & Environmental |
| Dimensions |
79 x 58 x 13 mm (CHECK THIS !!) |
| Mount |
13mm treaded (1/2inch) |
| Color |
White |
| Operating Temperature |
-40 to +85° C |
| Humidity |
40% to 95% RH |
| Storage Environment |
-40 to +85° C
40% to 95% RH
|
| Output Terminal |
| Coax Cable |
RG-174U double shielded 5m, Low Loss 0.7dB/m |
| Coax Connector |
BNC SMB Fakra SMA MCX MMCX GT5 or on request |
| GPS 天線 |
| Center Frequency |
1575.42±1.023 MHz |
| Bandwidth |
10 MHz @ -3dB point |
| Polarization |
R.H.C.P |
| Axial Ratio |
2.0 dB max |
| Over-Current |
Thermal Over-current shutdown >+150° C |
| RF noise protection |
RF protection(10watt), nano-second Spark-Gap |
| LNA |
| Center Frequency |
1575.42±1.023 MHz |
| Over-all Gain |
28dB (typical including 4dB cable loss & Filters) |
| Over-all NF |
<1.8dB @fo, 2dB max. |
| Output V.S.W.R |
1.5 dB max |
| LNA Characteristic |
K=>1 Un-conditionally Stable |
| Voltage |
+3 Vdc to + 6 Vdc input, Auto Switching |
| Current |
11~13mA±2 |
| GSM 天線 |
| Frequency |
GSM: 900~1800 MHZ |
| VSWR |
1.5MAX |
| IMPEDENCE |
50Ω |
| Polarization |
R.H.C.P |
| Gain |
3dBi |
| Power handling capacity |
40 W |
資料下載