Beitian BT-700B Full-Band GNSS RTK Antenna w/ Magnetic Base, TNC-K, 360° Survey & Precision Agriculture
Beitian BT-700B Full-Band GNSS RTK Antenna w/ Magnetic Base, TNC-K, 360° Survey & Precision Agriculture
Beitian
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Overview
The Beitian BT-700B is a full-band GNSS RTK antenna with a magnetic base (sucker magnetic installation) for satellite navigation receivers used in surveying, mapping, precision agriculture, and autonomous vehicles/robot platforms. It features an integrated compact design, 360 deg horizontal coverage, and a built-in low-noise amplifier (LNA) to support stable signal reception.
Key Features
- Receives multi-constellation, multi-band GNSS signals: GPS, BDS, GLONASS, GALILEO, SBAS, QZSS, IRNSS, and L-Band (see full list in Specifications).
- 360 deg horizontal coverage angle.
- Built-in LNA gain: 35±3 dB; operating voltage: 3.3-12 V; operating current: ≤45 mA.
- TNC-K connector; 50 ohm port impedance; right-hand circular polarization.
- Magnetic on the bottom; housing with 4 x M5 deep 6 screw holes.
- Compact size (BT-700/700B): Dia. 100 x 36.5 mm.
For installation guidance or compatibility questions with GNSS receivers and RTK systems, contact [email protected] or visit https://rcdrone.top/.
Specifications (BT-700B)
| Category | Parameter | Value |
|---|---|---|
| Frequency range | GPS | L1/L2/L5 |
| Frequency range | BDS | B1I/B2I/B3I/B1C/B2a/B2b |
| Frequency range | GLONASS | L1/L2/L3 |
| Frequency range | GALILEO | E1/E5a/E5b/E6 |
| Frequency range | SBAS | L1/L5 |
| Frequency range | QZSS | L1/L2/L5/L6 |
| Frequency range | IRNSS | L5 |
| Frequency range | L-Band | L-Band |
| Electrical | Gain | 5 dBi |
| Electrical | Antenna AR | ≤3.0 dB |
| Electrical | Horizontal coverage angle | 360 deg |
| Electrical | Phase center error | ±2 mm |
| Electrical | VSWR | ≤2 |
| Electrical | Polarization | Right-hand circular polarization |
| Electrical | Port impedance | 50 ohm |
| LNA | Gain | 35±3 dB |
| LNA | Noise figure | ≤2 dB |
| LNA | VSWR | ≤2.0 |
| LNA | In-band flatness | ±2 dB |
| LNA | Operating voltage | 3.3-12 V |
| LNA | Operating current | ≤45 mA |
| LNA | Differential propagation delay | ≤5 ns |
| Mechanical | Connector type | TNC-K |
| Mechanical | Installation method | Sucker magnetic |
| Mechanical | Antenna size | Dia. 100 x 36.5 mm |
| Environment | Operating temperature | -40 to +85 C |
| Environment | Storage temperature | -55 to +85 C |
| Environment | Wet degree | 95% non-condensing |
Model Options (selection guide)
| Model | Gain | Voltage | Current | Fitting model | Antenna size | Color | Housing material | Installation |
|---|---|---|---|---|---|---|---|---|
| BT-700B | 35±3 dB | 3.3-12 V | ≤45 mA | TNC-K | Dia. 100 x 36.5 mm | Black | Metal | Magnetic bottom |
| BT-700 | 38±2 dB | 3.3-12 V | ≤45 mA | TNC-K | Dia. 100 x 36.5 mm | White, gray | Metal | Magnetic bottom |
| BT-600 | 38±2 dB | 3.3-12 V | ≤45 mA | TNC-K | Dia. 101 x 35.5 mm | Black | Plastics | Magnetic bottom double-sided tape |
Applications
- Geodetic surveying and mapping
- Channel surveying
- Waterway mapping
- Precision agriculture
- Marine/oceanographic surveys
- RTK measurements
- Unmanned vehicles and autonomous robot platforms
- Intelligent driving test systems
What's Included
- BT-700B antenna x1 (or the selected model: BT-700 antenna x1 / BT-600 antenna x1)
Details
Designed for survey-grade positioning, the BT-700B combines a compact housing with a magnetic mount for fast field setup.
Full electrical and mechanical specifications are provided for easy receiver matching and installation planning.
Multi-constellation coverage and stable signal reception help reduce common causes of inaccurate positioning in the field.
Full-band signal support and 360° horizontal coverage help maintain reliable tracking across challenging environments.
Use the model selection guide to choose the right Beitian antenna based on gain, housing material, and mounting method.
A built-in low-noise amplifier (LNA) and wide operating voltage range support stable GNSS signal output.
Mounting and connectivity details include a TNC-K connector, magnetic base, and four M5 screw holes for fixed installs.
Confirm fitment with the dimension drawings before integrating the antenna into vehicles, robots, or survey poles.
Key differences like strict quality control and technical support are highlighted against typical market alternatives.
Common use cases include surveying and mapping, precision agriculture, unmanned vehicle platforms, and marine surveying.
The product list graphic provides a quick reference for the antenna model options included in the series.
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