Small size and ruggedness, demand of vehicle locating and marine navigation GNSS antenna that will sustain harsh environment.
- High performance
- Out-band filtering & rejection
- Fully waterproof IPX8
- Voltage: 2.5 V ~5.5 V DC
- Provides excellent signal amplification
- ESD Design & TVS Design ( optional )
GA-38R is the integration of a high performance GNSS patch antenna and a state-of-the-art low noise amplifier into a very low profile/ extremely compact/ fully waterproof enclosure which, when connected to a GNSS receiver with 2.5~5.5V DC antenna power, provides excellent signal amplification and out-band filtering & rejection, provide 3V or 5V input Voltage is available.
FEATURES:
- Compact Construction/ Low Profile/ Fully Waterproof
- Magnet and Screw Mount Base
- Excellent Temperature Stability
- Low Noise Figure
- High Sensitivity
APPLICATIONS:
- Automobile GNSS
- Bluetooth Receiver
- Car Tracking Navigation System
- AVL / Fleet Management Systems
- External Antenna for Handheld GNSS
- External Antenna for PDA Navigator
Advantages:
- High performance
- Out-band filtering & rejection
- Fully waterproof IPX8
- Voltage: 2.5 V~5.5 V DC
- Provides excellent signal amplification
- ESD Design & TVS Design (optional)
Please don’t hesitate to email us if you have any questions.
| PHYSICAL CONDITION |
| Constructions: |
ABS / AB Glue for water seal in between |
| Dimensions: |
40.5mm (L) x 38mm (W) x 12.3mm (H) |
| Color: |
Black |
| Mounting: |
Magnet mount with two magnets or 3M Double sided tape |
| Cable & Connector |
| RF cable: |
5 meter RG174/U (standard) cable, other length available |
| Connector |
SMA(M) or other |
| Antenna Element |
| Center Frequency: |
1582.5±23.5MHz(L1)and1176±12MHz(L5) |
| Polarization: |
R.H.C.P. (Right Handed Circular Polarization). |
| Bandwidth: |
±23.5MHz(L1),±12MHz(L5) |
| Gain @ 10o Elevation: |
-4dBic typical @ L1; -0.5dBic typical @ L5 |
| Gain at Zenith |
0 dBic typical @ L1 ; 1.5 dBic typical @ L5 |
| Output VSWR: |
2.0 |
| Output Impedance: |
50 ohm |
| Low Noise Amplifier |
| Power Gain: |
30±2 dB typical at 3V (L1and L5)
30±2 dB typical at 5V (L1and L5) |
| ESD (TVS) |
±8kv (contact) |
| Noise Figure: |
1.5 dB typical at 3V (L1 and L5) |
| Filter |
Saw filter
30dB typical fo±50MHz
40dB typical fo±100MHz
（fo=L1 and L5 band） |
| Supply Voltages: |
DC = 3~5V |
| Current Consumption: |
DC = 10±2.5mA at 3V / 27±2.5mA at 5V |
| Output Impedance: |
50 Ω |
| Overall Performance: (antenna element, LNA & coax cable) |
| Center Frequency: |
1582.5±23.5MHz(L1),and 1176±12MHz(L5) |
| Gain: |
30±2 dB typical at 3V (L1and L5)
30±2 dB typical at 5V (L1 and L5) |
| Noise Figure: |
2.0 max. |
| Bandwidth: |
±23.5MHz(L1), ±12MHz(L5) |
| Environmental |
| Operating Temperature: |
-40°C~ +85°C. |
| Storage Temperature: |
-40°C~ +85°C. |
| Relative Humidity: |
95% non-condensing. |
| Water Resistance: |
100% waterproof. |
＊This specification is subject to change without prior noticeData Updated: AUG.06, 2025
Note:1:Cable Loss=(-1.2dB/m)
GA-38R is the integration of a high performance GNSS patch antenna and a state-of-the-art low noise amplifier into a very low profile/ extremely compact/ fully waterproof enclosure which, when connected to a GNSS receiver with 2.5~5.5V DC antenna power, provides excellent signal amplification and out-band filtering & rejection, provide 3V or 5V input Voltage is available.
L5 S21:
L1 S21:
