Overview
Beitian ANN-MB-00 is a magnetic GNSS RTK active antenna for vehicle navigation and other high-precision positioning applications. Depending on the selected model, it supports multi-band and multi-constellation reception including GPS, GLONASS, Galileo, and BeiDou (BDS); some variants also list QZSS and IRNSS support.
Key Features
- Multi-system positioning: synchronous reception of BDS, GPS, and Galileo signals (as stated in product materials)
- Multiple connection methods: SMA-J and TNC-J connector options (model dependent)
- Mounting options by model: magnet/adhesive, magnetic bottom + double-sided tape, or magnetic bottom
- Cable: RG174; 3 m or 5 m options (model dependent)
- “Stacked external design” (double-layered) and “external PC material” are stated in product materials
- Customization is supported (as stated in product materials). For customization requests, contact https://rcdrone.top/ or email [email protected].
Specifications
Available Model Options (Shopify selections)
- BT-3G43AJL2 (28db, 3m length, SMA-J)
- BT-3G43AJL5 (28db, 3m length, SMA-J)
- BT-345AJL2 (38db, 5m length, SMA-J)
- BT-345AJL5 (38db, 5m length, SMA-J)
- BT-345TJL2 (38db, 5m length, TNC-J)
- BT-345TJL5 (38db, 5m length, TNC-J)
- BT-3B45AJL2 (38db, 5m length, SMA-J)
- BT-3B45AJL5 (38db, 5m length, SMA-J)
- BT-3B45TJL2 (38db, 5m length, TNC-J)
- BT-3B45TJL5 (38db, 5m length, TNC-J)
Electrical / Mechanical Parameters (by model)
| Model | Working mode (listed) | LNA gain | Noise figure | Output VSWR | Output impedance | Supply voltage | Supply current | Connector | Size | Weight | Cable | Cable length | Mounting | Operating temp | Storage temp |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BT-3G43AJL2 | GPS L1/L2; GLONASS L1/L2; BDS B1/B2/B2b; GALILEO E1/E5b | 28±2dB | <2 dB | ≤2.0 | 50Ω | 3~5V | <20mA | SMA-J | 50*50*19.1mm | RG174 | 3m | Magnet/Adhesive | -40°C ~ +85°C | -55°C ~ +85°C | |
| BT-3G43AJL5 | GPS: L1, L1C, L5C; BDS: B1I, B1C, B2a; Galileo: E1, E5a; QZSS: L5; IRNSS: S-L5 | 28±2dB | <2 dB | ≤2.0 | 50Ω | 3~5V | <20mA | SMA-J | 50*50*19.1mm | RG174 | 3m | Magnet/Adhesive | -40°C ~ +85°C | -55°C ~ +85°C | |
| BT-345AJL2 | GPS L1/L2/L5; GLONASS L1/L2; BDS B1I/B2I/B2b; GALILEO E1/E5b | 38±2dB | <2 dB | ≤2.0 | 50Ω | 3.3-12.0V | <45mA | SMA-J | 63*63*25mm | 220g | RG174 | 5m | Magnetic bottom + double-sided tape | -40°C ~ +85°C | -55°C ~ +85°C |
| BT-345AJL5 | GPS: L1, L1C, L5C; BDS: B1I, B1C, B2a, B2I; Galileo: E1, E5a; QZSS: L5; IRNSS: S-L5 | 38±2dB | <2 dB | ≤2.0 | 50Ω | 3.3-12.0V | <45mA | SMA-J | 63*63*25mm | 220g | RG174 | 5m | Magnetic bottom + double-sided tape | -40°C ~ +85°C | -55°C ~ +85°C |
| BT-345TJL2 | GPS L1/L2/L5; GLONASS L1/L2; BDS B1I/B2I/B2b; GALILEO E1/E5b | 38±2dB | <2 dB | ≤2.0 | 50Ω | 3.3-12.0V | <45mA | TNC-J | 63*63*25mm | 222g | RG174 | 5m | Magnetic bottom + double-sided tape | -40°C ~ +85°C | -55°C ~ +85°C |
| BT-345TJL5 | GPS: L1, L1C, L5C; BDS: B1I, B1C, B2a, B2I; Galileo: E1, E5a; QZSS: L5; IRNSS: S-L5 | 38±2dB | <2 dB | ≤2.0 | 50Ω | 3.0-12.0V | <45mA | TNC-J | 63*63*25mm | 222g | RG174 | 5m | Magnetic bottom + double-sided tape | -40°C ~ +85°C | -55°C ~ +85°C |
| BT-3B45AJL2 | GPS L1/L2/L5; GLONASS L1/L2; BDS B1I/B2I/B2b; GALILEO E1/E5b | 38±2dB | <2 dB | ≤2.0 | 50Ω | 3.0-12.0V | <45mA | SMA-J | 100*68*24mm | 235g | RG174 | 5m | Magnetic bottom | -40°C ~ +85°C | -55°C ~ +85°C |
| BT-3B45AJL5 | GPS: L1, L1C, L5C; BDS: B1I, B1C, B2a, B2I; Galileo: E1, E5a; QZSS: L5; IRNSS: S-L5 | 38±2dB | <2 dB | ≤2.0 | 50Ω | 3.0-12.0V | <45mA | SMA-J | 100*68*24mm | 235g | RG174 | 5m | Magnetic bottom | -40°C ~ +85°C | -55°C ~ +85°C |
| BT-3B45TJL2 | GPS L1/L2/L5; GLONASS L1/L2; BDS B1I/B2I/B2b; GALILEO E1/E5b | 38±2dB | <2 dB | ≤2.0 | 50Ω | 3.0-12.0V | <45mA | TNC-J | 100*68*24mm | 235g | RG174 | 5m | Magnetic bottom | -40°C ~ +85°C | -55°C ~ +85°C |
| BT-3B45TJL5 | GPS: L1, L1C, L5C; BDS: B1I, B1C, B2a, B2I; Galileo: E1, E5a; QZSS: L5; IRNSS: S-L5 | 38±2dB | <2 dB | ≤2.0 | 50Ω | 3.0-12.0V | <45mA | TNC-J | 100*68*24mm | 235g | RG174 | 5m | Magnetic bottom | -40°C ~ +85°C | -55°C ~ +85°C |
Additional listed parameters (BEITIAN, 50*50*19.1mm / SMA-J / 3 m variant)
- Make and model: BEITIAN
- Frequency range (listed): GPS: L1, L1C, L5C; BDS: B1I, B1C, B2a; Galileo: E1, E5a; QZSS: L5; IRNSS: S-L5
- Gain: 2dBi
- Antenna axial ratio: <3dB
- Polarization mode: right-handed circular polarization
- Port impedance: 50Ω
- LNA gain: 28±2dB
- Working voltage: 3V-5V
- Output voltage VSWR: ≤2
- Connector model: SMA-J
- Cord length: 3m
- Antenna size: 50*50*19.1mm
Applications
- Vehicle navigation
- Lawn mower
- High-precision map
- Precision agriculture
Performance Testing
- Measured tests are shown in product materials: “Antenna performance parameters” and “Antenna Unit Gain Spectrum”.
Details

Choose the ANN-MB-00 variant that matches your connector (SMA-J or TNC-J), cable length, and gain; customization is also available on request.

Compact magnetic housing with multi-band GNSS coverage options for vehicle navigation and other precise positioning installs.

Connector options include SMA-J and TNC-J, with RG174 cable lengths that vary by model selection.

Magnetic mounting is supported, and some versions include an adhesive pad for added holding power on flat surfaces.

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