Beitian BT-7112 RTK GNSS Multi-Frequency Antenna for Vehicles/Agriculture, TNC-K, IP67
Beitian BT-7112 RTK GNSS Multi-Frequency Antenna for Vehicles/Agriculture, TNC-K, IP67
Beitian
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Overview
Beitian BT-7112 is an RTK GNSS multi-frequency antenna designed to simultaneously receive GPS, GLONASS, Galileo, and BDS (BeiDou) signals. It is positioned as a four-system, multi-band antenna for high-precision surveying/mapping and other applications requiring stable signal reception.
Key Features
- Multi-constellation, multi-band reception: GPS L1/L2, GLONASS G1/G2, GALILEO E1/E5b, BDS B1/B2/B3.
- Polarization: RHCP; horizontal coverage: 360°.
- Multi-feed point design to improve phase center and geometric center coincidence and reduce measurement error.
- Lightning protection design inside the antenna (as described in the product material).
- High LNA gain: 38±2 dB; low noise figure: ≤2.0 dB.
- IP67 ingress protection for outdoor deployment.
- Mechanical design includes four product fixing screw holes and silicone seals (as described in the product material).
Specifications
| Model | BT-7112 |
| Supported bands (working mode) | GPS L1/L2; GLONASS G1/G2; GALILEO E1/E5b; BDS B1/B2/B3 |
| Connector | TNC-K |
| Dimensions | 119.4mm*75.9mm*21mm |
| Weight | 265g |
| Ingress protection | IP67 |
| Output impedance | 50Ω |
| Output VSWR | ≤2 (also listed as ≤2.0) |
| Input VSWR | ≤2.0 |
| Polarization | RHCP |
| Horizontal coverage | 360° |
| Axial ratio at zenith | ≤3.0dB |
| Phase center accuracy | ≤3mm |
| Operating temperature | -45°C~+70°C (also listed as -40°C~+70°C) |
| Storage temperature | -55°C~+85°C |
| Humidity | 95% non-condensing |
Passive Antenna (Gain at Zenith)
| GPS L1 | ≥3.5dBi |
| GPS L2 | ≥3dBi |
| GLONASS G1 | ≥3dBi |
| GLONASS G2 | ≥3dBi |
| BDS B1 | ≥3.5dBi |
| BDS B2 | ≥3dBi |
| BDS B3 | ≥2.5dBi |
| GALILEO E1 | ≥2.0dBi |
| GALILEO E5b | ≥2.0dBi |
Low Noise Amplifier (LNA)
| Gain | (38±2)dB |
| Noise figure | ≤2.0dB (also listed as ≤2 dB) |
| Input VSWR | ≤2.0 |
| Output VSWR | ≤2.0 |
| Delay of differential transmission | ≤5ns |
| Supply voltage | 3.6V - 5.5V (one product panel also states working voltage: 3.3-5.5V) |
| Supply current | ≤50mA |
What's Included
- BT-7112 antenna x1
Applications
- Precision agriculture
- Aeronautical equipment
- Intelligent driving
- Road construction
- Marine monitoring survey
- Container operations
For pre-sales questions or integration support (connector, mounting, and system matching), contact support at https://rcdrone.top/ or [email protected].
Details
Built for RTK positioning, BT-7112 supports GPS, GLONASS, Galileo, and BDS multi-band reception in a compact, rugged housing.
Integration help is available for connector selection, mounting, and system matching for survey, mapping, and machine control setups.
Core specifications and dimensional drawings make it easy to confirm fit and performance requirements before installation.
Multi-constellation, multi-band reception helps keep positioning stable in demanding environments and long deployments.
Simultaneous reception across four constellations supports higher availability, while durable materials help protect outdoor performance.
A wide supply-voltage range and built-in lightning protection support reliable operation in harsh outdoor conditions.
High LNA gain and a low-profile form factor suit vehicle, UAV, and fixed-station RTK installations.
TNC-K connectivity, silicone sealing, and four fixing screw holes simplify mounting while maintaining ingress protection.
Designed for multi-frequency RTK workflows, with support options for customized projects and after-sales service.
The low-profile enclosure is easy to integrate on equipment roofs, poles, and platforms where space is limited.
Common uses include precision agriculture, road construction, marine monitoring survey, and container operations.
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