• Beitian BT-T30A/BT-T30B external GNSS antenna with TNC-K bulkhead mount and protective cap
  • Beitian GNSS antenna promo graphic showing TNC-K connector type and customizable design
  • Beitian BT-T30A GNSS antenna product features graphic with frequency bands, size and TNC-K connector
  • GNSS antenna application scenario graphic for timing, positioning and base station synchronization
  • BT-T30A series external antenna product list graphic showing 1x antenna included (x1)
  • BT-T30A product parameter chart: L1+L2 type, 40±2dB gain, TNC-K, size Φ66.5×46mm
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Beitian BT-T30A/BT-T30B External GNSS Antenna TNC-K, Dual Band L1/L2 or L1/L5 for Marine & Instruments

Beitian BT-T30A/BT-T30B External GNSS Antenna TNC-K, Dual Band L1/L2 or L1/L5 for Marine & Instruments

Beitian

$138.32 USD
$138.32 USD
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Overview

Beitian BT-T30A / BT-T30B is an external GNSS antenna designed for marine vessel installations and industrial instruments. It supports multi-constellation reception with dual-band options (model-dependent) and integrates an LNA for signal amplification.

Key Features

  • External GNSS antenna with sealed design (dustproof and waterproof as stated).
  • Dual-band options by model: BT-T30A (L1/L2) or BT-T30B (L1/L5).
  • Integrated LNA gain: 4012 dB (Only LNA).
  • Polarization: RHCP (Right-handed circular).
  • 360 horizontal plane coverage angle.
  • TNC-K connector interface.

Specifications

Available models BT-T30A; BT-T30B
Working mode / Frequency range (BT-T30A) GPS L1/L2; GLONASS L1/L2; BDS B1I/B2I/B2b; GALILEO E1/E5b
Working mode / Frequency range (BT-T30B) GPS: L1, L1C, L5C; BDS: B1I, B1C, B2a; Galileo: E1, E5a; QZSS: L5; IRNSS: S-L5
Antenna gain <5.0 dBi
LNA gain 4012 dB
Noise figure <2.5 dB (Only LNA)
Passband ripple 11.0 dB (Only LNA)
Output VSWR <2.0
Input VSWR <2.0 dB
Impedance / Output impedance 509
Polarization mode RHCP / Right-handed circular
Antenna axial ratio / Axis ratio <4 dB
Horizontal plane coverage angle 360
Frequency temperature coefficient 0110
Supply voltage 2.7~10 V
Supply current 425 mA
Connector / Interface form TNC-K
Antenna size 666.5*46 mm
Weight 4150 g
Operating temperature -40 C~+85 C
Storage temperature -40 C~+85 C
Wet degree 40%~95%
Structural diagram notes (unit: mm) 666.511; 4611; 76.311; M18*1; TNC

What's Included

  • 1 x BT-T30A GPS antenna (as stated in packing list)

Applications

  • Marine vessel GNSS antenna installations
  • Industrial instruments and equipment
  • Robots
  • Base stations
  • Timing positioning

For model selection help (BT-T30A vs BT-T30B) or integration support, contact support@rcdrone.top or visit https://rcdrone.top/.

Details

Beitian BT-T30A/BT-T30B external GNSS antenna model comparison with supported bands and key specsBeitian BT-T30A/BT-T30B external GNSS antenna product view with TNC-K mount and protective cap

Designed for marine and industrial installs, the BT‑T30 series uses a rugged external housing and a TNC‑K interface for secure mounting.

BT-T30A specifications and structural dimensions with 360° coverage, RHCP polarization, and TNC-K interface

Key operating specs and mechanical dimensions are provided to help plan placement, clearance, and cable routing.

Sealed external GNSS antenna highlights with strong signal capture, lightweight housing, and 2.7–10V power rangeClose-up of antenna housing and TNC-K connector with sealed design and included protective glue nut cap

A sealed, dustproof/waterproof-style enclosure pairs with the TNC‑K connector, while the protective cap helps keep the fitting clean when unused.

Application collage for GNSS antenna use in instruments, robots, timing positioning systems, and base stations

Suitable for robots, industrial instruments, base-station setups, and timing/positioning applications requiring reliable GNSS reception.

Packing list and product parameters table for BT-T30A GNSS antenna, including frequency ranges, gain, and VSWR

The package includes one BT‑T30A antenna, with core parameters summarized for quick integration checks.

LNA specs and environmental ratings table with additional product views for the external GNSS antenna

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