Beitian BN-143AJ Active External GNSS Antenna GPS L1+GLONASS L1 28±2dB, RG174 3m SMA-JW
Beitian BN-143AJ Active External GNSS Antenna GPS L1+GLONASS L1 28±2dB, RG174 3m SMA-JW
Beitian
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Overview
The Beitian BN-143AJ is an active external GNSS antenna designed for automotive/vehicle navigation and other GNSS reception installations. It supports GPS L1 + GLONASS L1 dual-mode positioning and uses an integrated LNA (28±2 dB) with a magnetic bottom mount for quick placement.
Key Features
- Dual-mode positioning: GPS L1 + GLONASS L1
- Active LNA: 28±2 dB gain, noise figure <2 dB (Only LNA)
- Low VSWR: <1.5; 50 Ω impedance
- Magnetic bottom mounting
- RG174 coax cable, 3 m cord length (customizable cable length noted)
- Connector options shown across the series include SMA-J, SMA-JW, TNC-J, and Fakra (other connector types are also shown for customization: TNC-J, TNC-K, SMA-J, SMA-JW, MCX-JW, MMCX-JW, IPEX)
For connector/cable customization requests and selection help, contact support@rcdrone.top or visit https://rcdrone.top/.
Specifications (BN-143AJ)
| Working mode | GPS L1, GLONASS L1 |
| Receiving frequency | GPS L1: 1575.42 MHz; GLONASS L1: 1602 MHz |
| Ceramic antenna gain | 2 dBi |
| Polarization | RHCP |
| Axis ratio | <3 dB |
| Horizontal coverage angle | 360° |
| Frequency temperature coefficient | 0±10 |
| LNA gain | 28±2 dB |
| Noise figure | <2 dB (Only LNA) |
| Output VSWR | <1.5 |
| Output impedance | 50 Ω |
| Passband ripple | ±2.0 dB (Only LNA) |
| Supply voltage | 2.8 V-5.0 V (label marking also shows 3 V-5 V) |
| Supply current | ≤20 mA |
| Operating temperature | -40°C to +85°C |
| Storage temperature | -40°C to +85°C |
| Wet degree | 40% - 95% |
| Size | 49*37.5*16.5 mm |
| Weight | ≤105 g |
| Mounting | Magnetic bottom |
| Connector | SMA-JW |
| Cable | RG174 |
| Cable length | 3 m |
| Label markings | SGS, CE, RoHS, and “FC” marking present |
Model Options (as shown)
| Model | Working mode | Connector |
|---|---|---|
| BD-096AJ | GPS L1, BDS B1 | SMA-J |
| BS-096AJ | GPS L1 | SMA-J |
| BN-096AJ | GPS L1, GLONASS L1 | SMA-J |
| BS-143AJ | GPS L1 | SMA-J |
| BN-143AJ | GPS L1, GLONASS L1 | SMA-JW |
| BD-143AJ | GPS L1, BDS L1 | SMA-J |
Applications
- Vehicle navigation and car DVD/navigation head units
- Drones/UAVs and GNSS-enabled equipment
- Acreage meters and positioning/measurement devices
- Traffic lights and related infrastructure equipment
- Electric vehicles
- Dash cams
Details
Choose the connector type that matches your GNSS receiver or head unit, and request cable/connector customization if needed.
Active LNA gain up to 28±2 dB helps maintain stable reception with longer cable runs and vehicle installs.
Magnetic bottom mounting makes it easy to place the antenna on a vehicle roof or other metal surface for a quick install.
Compatible with common interfaces such as SMA-J, TNC-J, and Fakra for automotive navigation and GNSS equipment.
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