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

Beitian

$138.32 USD

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Model BT-T30A (L1+L2) BT-T30B (L1+L5)

Kuantiti

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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 specs

Beitian 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 range

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