• Beitian BS-57DU marine GNSS receiver antenna with white dome and attached USB cable
  • Beitian GPS receiver infographic showing RS-232 protocol option and connector types
  • Beitian BS-57DU GNSS receiver product features card with listed size and RS-232 level details
  • Application scenario graphic for GNSS receiver with smart device, driverless car, vehicle positioning
  • Package contents graphic showing BS-57DU series receiver base and separate mounting base
  • Product parameter table for BS-57U GPS receiver, 95×95×125 mm size and 2 m cable length
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Beitian BS-57DU Marine GNSS Receiver, Ceramic Patch Antenna 35dB High Gain GPS/BeiDou AIS Module

Beitian BS-57DU Marine GNSS Receiver, Ceramic Patch Antenna 35dB High Gain GPS/BeiDou AIS Module

Beitian

$81.43 USD
$81.43 USD
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Overview

The Beitian BS-57DU is a Marine GNSS Receiver with an integrated ceramic patch antenna (mushroom-head style), designed for marine/shipborne navigation applications such as AIS navigation. It uses the G7020-KT chip and supports GPS L1 / SBAS L1 / QZSS L1, with NMEA-0183 output.

Key Features

  • Chipset: G7020-KT
  • Supported frequency/mode: GPS L1, SBAS L1, QZSS L1
  • Sensitivity: Tracking -162 dBm; Reacquisition -160 dBm; Cold start -148 dBm
  • Accuracy labels: Horizontal accuracy 2.0 m CEP; Speed accuracy 0.1 m/s CEP; Time accuracy 1 us
  • Update rate: 1 Hz to 10 Hz (default 1 Hz)
  • NMEA-0183 output protocol
  • Start times (typical): Cold start 29 s; Warm start 25 s; Hot start 1 s
  • FLASH: labeled with “4M FLASH”; configuration can be changed and is retained when power is off
  • Cable note: labeled as using high-quality soft copper wire

Specifications

Common GNSS performance (all listed BS-57 series variants)

Chip G7020-KT
Working mode GPS L1, SBAS L1, QZSS L1
Sensitivity (Tracking) -162 dBm
Sensitivity (Reacquisition) -160 dBm
Sensitivity (Cold start) -148 dBm
Horizontal 2.0 m (Typical Open Sky)
Velocity 0.1 m/sec 95% (SA off)
Dynamic heading 1 us synchronized to GPS time
Cold boot 29 s
Warm boot 25 s
Hot Start 1 s
Output protocol NMEA-0183
Frequency of updates 1 Hz-10 Hz, Default 1 Hz
FLASH with FLASH (also labeled “4M FLASH”)
Operational limits Altitude < 50,000 m; Velocity < 515 m/s; Acceleration < 4 g
Voltage DC 3.6 V-5.5 V, Typical: 5.0 V
Current Capture 45 mA/5.0 V
Size 95*95*125 mm
Operating temperature -40°C ~ +85°C
Storage temperature -40°C ~ +85°C

Interface / output by model (as labeled)

Model Output level Baud rate (bps) Connector Cable length Weight Fixed
BS-57U USB level 4800 bps to 921600 bps, Auto-adapted baud rate USB 2.0 interface 2 m 450 g DIY
BS-57D RS-232 level 4800 bps to 921600 bps, Default 9600 bps DB-9 female interface 3 m 260 g DIY
BS-57DN RS-232 level 4800 bps to 921600 bps, Default 9600 bps DB-9 Female + Power Cable 3 m 280 g DIY
BS-57DU RS-232 level 4800 bps to 921600 bps, Default 9600 bps DB-9 Female + USB 2.0 Male 3 m 280 g DIY
BS-57N RS-232 level 4800 bps to 921600 bps, Default 9600 bps 4 Cable: Red VCC, Green RX, White TX, Black GND 3 m 250 g DIY

What's Included

  • GNSS receiver antenna (BS-57 series)
  • Pedestal/base (mounting component, as labeled in the product list graphic)

Applications

  • Ocean ship / marine ship navigation
  • Vehicle navigation
  • Agricultural machinery
  • Marine ship timekeeping

For interface selection (USB, DB-9/RS-232, or 4-wire) and integration support, contact https://rcdrone.top/ or email support@rcdrone.top.

Details

Beitian BS-57 series marine GNSS receiver comparison chart and customization/support graphic

Choose the BS-57 interface option that fits your installation (USB, RS‑232/DB‑9, or 4‑wire), with configurable settings.

Beitian BS-57DU mushroom-head marine GNSS GPS receiver with integrated ceramic patch antenna

Mushroom-head housing with an integrated ceramic patch antenna for marine and vehicle GNSS positioning.

Marine GNSS receiver antenna module with USB and DB-9 RS-232 leads, G7020-KT chipset callouts

G7020‑KT chipset support for GPS L1 / SBAS L1 / QZSS L1 with NMEA‑0183 output for navigation and AIS setups.

GNSS receiver start-time and 4M FLASH retention infographic for cold, warm, and hot start performance

Configuration changes can be saved to onboard FLASH, with typical cold/warm/hot start times listed for reference.

NMEA-0183 output settings graphic showing RS-232 level, 1–10 Hz update rate, and 9600 bps default baud

NMEA‑0183 data output over RS‑232 with adjustable baud rate and 1–10 Hz update frequency.

Beitian BS-57DU GNSS receiver infographic with applications, included parts, and product parameter table

Marine navigation, vehicle positioning, and timekeeping applications plus key parameters in one quick reference.

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