• Beitian BE-126 product parameter sheet showing module front and back with size and supported GNSS modes
  • Beitian 126/190 series GNSS module variants BF-126 and BH-126 shown front view
  • Beitian GNSS module product graphic showing BF-126 and BH-126 with GPS, BDS, Galileo and low power notes
  • Beitian BE-126 GNSS module product features graphic with size, TTL level, and baud rate details
  • Beitian BE-190 GNSS module application scenario graphic showing smart device, wearable, car, and handheld uses
  • Beitian BE-126 series single module package list showing one module and the circuit board back side
  • Beitian BE-126 module front and back PCB on a black background
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Beitian 126/190 Series GNSS Module (BE/BF/BH Options) for drones, robotics, GPS/BDS/Galileo TTL

Beitian 126/190 Series GNSS Module (BE/BF/BH Options) for drones, robotics, GPS/BDS/Galileo TTL

Beitian

$13.26 USD
$13.26 USD
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Overview

The Beitian 126/190 series GNSS module is a compact SMD GNSS module family designed to output positioning data through a serial port (TTL level). Available variants include BE-126/BE-190, BF-126/BF-190, and BH-126/BH-190, with different GNSS system support, package size, and interface/protocol options depending on the selected model.

Key Features

  • Multi-constellation options by model (GPS / BDS / GALILEO, with SBAS and QZSS on supported models; GLONASS G1 on supported models).
  • Compact, lightweight SMD packages (16 x 12.2 mm class and 10.1 x 9.7 mm class variants depending on model).
  • Serial output at TTL level (protocol and message support varies by model).
  • FLASH supported (listed as “With FLASH” for the models shown).

For integration support and order selection help, contact support@rcdrone.top or visit https://rcdrone.top/.

Specifications

Model comparison (select the option that matches the required GNSS systems and protocol)

Parameter BE-126 BE-190 BF-126 BF-190 BH-126 BH-190
Chip M10050 M10050 — — — —
Working mode GPS L1 C/A, QZSS L1 C/A/S, BDS B1I/B1C, Galileo E1B/C, SBAS L1 C/A: WAAS, EGNOS, MSAS, GAGAN GPS L1 C/A, QZSS L1 C/A/S, BDS B1I/B1C, Galileo E1B/C, SBAS L1 C/A: WAAS, EGNOS, MSAS, GAGAN GPS L1, Beidou B1, Galileo E1, QZSS L1 GPS L1, Beidou B1, Galileo E1, QZSS L1 GPS L1, Beidou B1, Galileo E1, QZSS L1, GLONASS G1 GPS L1, Beidou B1, Galileo E1, QZSS L1, GLONASS G1
Channel N/A N/A 100 100 120 120
Sensitivity (trace) -166 dBm -166 dBm -167 dBm -167 dBm -167 dBm -167 dBm
Sensitivity (recapture) -160 dBm -160 dBm -160 dBm -160 dBm — —
Sensitivity (cold boot) -148 dBm -148 dBm -148 dBm -148 dBm -148 dBm -148 dBm
Sensitivity (warm boot) -160 dBm -160 dBm — — — —
Horizontal accuracy 2.0 m CEP 2.0 m CEP CEP < 1.0 m CEP < 1.0 m CEP < 1.0 m CEP < 1.0 m
Velocity accuracy 0.05 m/s 0.05 m/s 0.05 m/s 0.05 m/s 0.05 m/s 0.05 m/s
Dynamic heading 0.3 deg 0.3 deg — — — —
PPS time accuracy RMS 30 ns; 99% 60 ns RMS 30 ns; 99% 60 ns 20 ns 20 ns 20 ns 20 ns
Acquisition (cold boot) 27 s 27 s 28 s 28 s 28 s 28 s
Acquisition (warm boot) 1 s 1 s — — 28 s 28 s
Acquisition (recapture) 1 s 1 s 1 s 1 s 1 s 1 s
Baud rate 4800 bps - 921600 bps; default 115200 bps 4800 bps - 921600 bps; default 115200 bps default 115200 bps default 115200 bps default 115200 bps default 115200 bps
Output level TTL Level TTL Level TTL Level TTL Level TTL Level TTL Level
Output protocol NMEA, UBX NMEA, UBX NMEA-0183 NMEA-0183 NMEA-0183 NMEA-0183
Update frequency 0.25 Hz - 18 Hz; default 1 Hz 0.25 Hz - 18 Hz; default 1 Hz default 1 Hz default 1 Hz default 1 Hz default 1 Hz
FLASH With FLASH With FLASH With FLASH With FLASH With FLASH With FLASH
Operational limits Altitude 80,000 m; Velocity 500 m/s; Dynamics < 4 g Altitude 80,000 m; Velocity 500 m/s; Dynamics < 4 g Altitude 80,000 m; Velocity 500 m/s; Dynamics < 4 g Altitude 80,000 m; Velocity 500 m/s; Dynamics < 4 g Altitude 80,000 m; Velocity 500 m/s; Dynamics < 4 g Altitude 80,000 m; Velocity 500 m/s; Dynamics < 4 g
Voltage DC 2.7 V - 3.6 V, typical: 3.3 V DC 2.7 V - 3.6 V, typical: 3.3 V DC 2.8 V - 3.6 V, typical: 3.3 V DC 2.8 V - 3.6 V, typical: 3.3 V DC 2.8 V - 3.6 V, typical: 3.3 V DC 2.8 V - 3.6 V, typical: 3.3 V
Current 30 mA / 3.3 V 30 mA / 3.3 V 14 mA / 3.3 V 14 mA / 3.3 V 14 mA / 3.3 V 14 mA / 3.3 V
Size 16 x 12.2 x 2.4 mm 10.1 x 9.7 x 2.3 mm 16 x 12.2 x 2.2 mm 10.1 x 9.7 x 2.3 mm 16 x 12.2 x 2.2 mm 10.1 x 9.7 x 2.3 mm
Weight 1.0 g 0.9 g 1.0 g 0.9 g 1.0 g 0.9 g
Connector / Package 24-pin SMD package 18-pin SMD package 24-pin SMD package 18-pin SMD package 24-pin SMD package 18-pin SMD package
Operating temperature -40 C to +85 C -40 C to +85 C -40 C to +85 C -40 C to +85 C -40 C to +85 C -40 C to +85 C
Storage temperature -40 C to +105 C -40 C to +105 C -40 C to +105 C -40 C to +105 C -40 C to +105 C -40 C to +105 C

BE-126 / BE-190 detailed parameters (M10050)

Receiver type GPS L1 C/A, QZSS L1 C/A/S, BDS B1I/B1C, Galileo E1B/C, SBAS L1 C/A: WAAS, EGNOS, MSAS, GAGAN
Default position system GPS, BDS, GALILEO
Augmentation system SBAS, QZSS
Channel N/A
Sensitivity (Tracking & Navigation) -166 dBm
Sensitivity (Reacquisition) -160 dBm
Sensitivity (Cold start) -148 dBm
Sensitivity (Hot Start) -160 dBm
Horizontal position 2.0 m CEP
Velocity 0.05 m/s
Dynamic heading 0.3 deg
Time pulse RMS 30 ns; 99% 60 ns
Acquisition (Cold start) 27 s
Acquisition (Hot start) 1 s
Acquisition (Aided start) 1 s
Baud rate 4800 bps - 921600 bps, default 115200 bps
Level TTL level
Protocol NMEA, UBX
NMEA messages RMC, VTG, GGA, GSA, GSV, GLL
Update rate 0.25 Hz - 18 Hz, default 1 Hz
FLASH With FLASH, the configuration can be changed, and the power will not be lost
Frequency of time pulse signal Configurable from 0.25 Hz to 10 MHz, the default period is 1 s, and the high level lasts for 100 ms
Operational limits Altitude 80,000 m; Velocity 500 m/s; Dynamics < 4 g
Power DC 2.7 V - 3.6 V, typical: 3.3 V; Current 30 mA / 3.3 V
Physical (BE-190) Dimension 10.1 x 9.7 x 2.3 mm; Weight 0.9 g; Connector 18-pin SMD package
Temperature Operating -40 C to +85 C; Storage -40 C to +105 C

Pin definition (18-pin package shown)

PIN Name I/O Description
1 GND G Grounding
2 TXD O Main serial port data output
3 RXD I Main serial port data input
4 1PPS O Seconds pulse output
5 EXTINT I External interruption
6 V_BCKP I Standby power
7 V_IO I IO voltage supply, which must be connected to VCC
8 VCC I VCC power supply pin, the supply voltage is 2.7-3.6 V, standard input: 3.3 V DC
9 RESET_N I System reset (active low). It must be as low as at least 1 ms to trigger the reset.
10 GND - Grounding
11 RF_IN I GNSS signal input
12 GND - Grounding
13 LNA_EN O Turn on/off external LNA or active antennas
14 VCC_RF O Output voltage RF part
15 NC - NC
16 SDA I/O I2C data
17 SCL I I2C clock
18 NC - NC

Mechanical dimensions (drawing shown)

  • Overall: 10.10 ± 0.1 mm x 9.70 ± 0.1 mm
  • Body reference dimensions shown: 9.20 mm and 9.00 mm
  • Thickness: 2.30 ± 0.2 mm

Applications

  • Drones and robotics GNSS positioning (model-dependent constellation support)
  • Intelligent driving / vehicle positioning integration
  • Agricultural machinery positioning
  • Urban transport and port/terminal positioning systems

Details

Beitian 126/190 series GNSS module comparison chart for BE, BF, BH options

Model differences and core specs are listed together so buyers can match the right GNSS option to their project.

Beitian GNSS module family overview for drone and robotics positioning applications

The Beitian module family is built for compact positioning use in drones, robotics, and other embedded systems.

Beitian multi-constellation GNSS module with GPS, BDS, Galileo, SBAS, and QZSS support

Multi-constellation support helps the module stay reliable when you need stronger satellite coverage and better fixes.

TTL GNSS module with fast positioning and serial data output for embedded systems

Serial data output over TTL makes the module straightforward to connect to flight controllers and microcontrollers.

Beitian 126/190 series GNSS module options for GPS, BDS, Galileo, and GLONASS

Select the option that matches your required constellation set and protocol support before integration.

NMEA-0183 message output table for GNSS position, time, speed, and satellite data

NMEA output includes the common fields used by navigation software for position, speed, and satellite status.

Compact Beitian GNSS modules compared against a coin for size reference

The low-profile package keeps the footprint small enough for tight drone and robotics builds.

Update rate, baud rate, and wiring diagram for GNSS module USB to TTL connection

Flexible baud and update settings make it easier to tune the module for different controllers and link speeds.

Beitian GNSS module wiring examples for microcontroller and intelligent driving systems

Typical wiring examples show how the module fits into controller-based navigation and vehicle projects.

Product parameters table for Beitian GNSS module electrical, output, and size specifications

The parameter chart summarizes output level, power range, dimensions, and operating limits in one place.

Pin definition and module dimensions for the 18-pin Beitian GNSS package

Pin definitions and dimensional drawings help with footprint checks and PCB integration.

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