Overview
The Beitian BT-158 is a nine-in-one GNSS antenna designed for RTK mobile communication terminal installations, combining multi-constellation satellite positioning reception with integrated communication antenna elements for 4G/5G, Bluetooth/Wi-Fi and V2X frequency bands. It uses an M33*3 interface and supports wide-area 360° horizontal coverage.
Key Features
- Nine-in-one antenna design for GNSS + communication bands (4G/5G, Bluetooth/Wi-Fi, V2X)
- Multi-constellation GNSS reception: GPS, BDS, GLONASS, GALILEO, SBAS, QZSS, IRNSS, L-Band
- 360° horizontal coverage angle
- LNA gain: 28±2 dB; noise figure: â€2 dB
- Operating voltage: 3.3-12.0 V; operating current: â€45 mA
- UV-resistant PC material housing (UV-resistant PC material is stated)
- M33*3 thread depth: min 25 (stated)
Specifications
General
| Model | BT-158 |
| Connector type | M33*3 |
| Size | Ί142.5*137 mm |
| Supply voltage / Operating voltage | 3.3-12.0 V |
| Supply current / Operating current | â€45 mA |
GNSS Working Mode / Bands
| GPS | L1/L2/L5 |
| BDS | B1I/B2I/B3I/B1C/B2a/B2b |
| GLONASS | L1/L2/L3 |
| GALILEO | E1/E5a/E5b/E6 |
| SBAS | L1/L5 |
| QZSS | L1/L2/L5/L6 |
| IRNSS | L5 |
| Other | L-Band |
Ceramic Antenna Characteristics
| Gain (dBi) | GNSS: 5.5 |
| Antenna AR (dB) | â€3.0 |
| Horizontal coverage angle | 360° |
| VSWR | GNSS: â€2.0 |
| Phase center error (mm) | ±2 |
| Polarization | Right-hand circular polarization |
| Port impedance (Ω) | 50 |
| Antenna spacing (dB) | >25 |
LNA
| LNA gain (dB) | 28±2 |
| Noise figure (dB) | â€2 |
| VSWR | â€2.0 |
| In-band flatness (dB) | ±2 |
| Differential propagation delay (ns) | â€5 |
RF / GNSS Output (listed)
| Output VSWR | â€2.0 |
| Output impedance | 50 Ω |
| In-band flatness | ±2.0 dB |
Communication Antenna Parameters
| 5G1 frequency range | 824-960 MHz & 1710-2690 MHz & 3300-3600 MHz & 4800-5000 MHz |
| 5G2 frequency range | 824-960 MHz & 1710-2690 MHz & 3300-3600 MHz & 4800-5000 MHz |
| 5G3 frequency range | 1710-2690 MHz & 3300-3600 MHz & 4800-5000 MHz |
| 5G4 frequency range | 1710-2690 MHz & 3300-3600 MHz & 4800-5000 MHz |
| V2X1 frequency range | 5.85-5.925G |
| V2X2 frequency range | 5.85-5.925G |
| BT/WiFi1 frequency range | 2400-2500 & 5.725-5.875 |
| BT/WiFi2 frequency range | 2400-2500 & 5.725-5.875 |
| Gain (dBi) |
700-960 MHz: gainâ€3.0 1710-2700 MHz: gainâ€2.0 3400-3600 MHz: gainâ€2.0 4800-4900 MHz: gainâ€2.0 2400-2500 MHz: gainâ€2.0 5000-5850 MHz: gainâ€2.0 5850-5950 MHz: gainâ€2.0 |
| Antenna AR (dB) | â€3.0 |
| Horizontal coverage angle | 360° |
| VSWR | â€5.0 |
| Port impedance (Ω) | 50 |
Working Environment
| Operating temperature | -40°C ~ +85°C |
| Storage temperature | -40°C ~ +85°C |
| Wet degree | 40% ~ 95% |
Mechanical Dimensions (diagram values)
| Overall diameter | Ί142.5±1 |
| Overall height | 137.00±1 |
| Internal dimension (listed) | 89.00 |
| Section dimension (listed) | 25.30 |
| Inner diameter (listed) | Ί43.00 |
| M33*3 thread depth | min 25 |
What's Included
- BT-158 Nine-in-One Antenna x 1
Applications
- Geodetic surveying
- Channel surveying
- Precision agriculture
- Marine measurement
- Tracking and positioning
- Autonomous driving systems (antenna signal reception support)
- Logistics and transportation
For compatibility checks (including connector and cabling requirements) and after-sales support, contact [email protected] or visit https://rcdrone.top/.
Note: The appearance of the connectors can be customized (stated). The provided package list is for reference; detailed configuration should be based on customer requirements (stated).
Details

Nine-in-one antenna design combines multi-constellation GNSS reception with integrated communication elements for vehicle and terminal installs.

Designed for stable supply and long-term deployment, with key operating specs summarized for quick selection.

Multi-constellation GNSS support and antenna characteristics are provided for system matching and integration.

Communication frequency ranges and mechanical dimensions are listed to help confirm fit with your platform and radio setup.

Aimed at reducing common navigation issues like weak reception and unstable positioning in demanding environments.

Supports multiple GNSS systems to improve availability and consistency across a wider range of operating areas.

High LNA gain and all-around coverage support more reliable signal acquisition during movement and installation constraints.

Wide 3.3â12 V operating range simplifies power integration across different terminals and vehicle platforms.

Compact housing uses UV-resistant PC material for outdoor mounting while keeping a low overall profile.

Deep M33Ă3 threading helps maintain a tight, vibration-resistant connection on vehicle rooftops and equipment mounts.

Connector and screw-base mounting components support a secure installation and consistent contact under vibration.

Product positioning focuses on reception quality, tuning, and support compared with basic single-frequency alternatives.

Suitable for applications such as precision agriculture, fleet tracking, surveying workflows, and intelligent vehicle systems.

Package includes one BT-158 antenna unit; connector appearance can be customized based on configuration needs.
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