K825 GNSS Module

K825 GNSS Module

As the advanced model of K825, it supports L1, L2, L5, mitigates ionospheric impacts. With GNSS+INS navigation, the dual-antenna GNSS module is suitable for UAV, robotics, marine systems, UGV, portable terminals, deformation monitoring, GIS, and machine control applications.

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Features

01.Dual-antenna Design for Robust Heading and Positioning

02.Full-constelleation multi-frequency tracking

03.Support L-Band and PPP

04.Support GNSS+INS navigation

05.Surface-mounted design and small size for integration

06.High-performance floating-point arithmetic

07.Industry-leading low power consumption

08.Internal adaptive anti-interference algorithm

1

Robust positioning and heading

The K825 is designed with dual-antenna that delivers high-precision positioning and heading information for various unmanned systems.

1

Easy to integrate

The K825 is a 30mm×40mm×3.2mm module with surface-mounted design and is ideal for users to integrate. The power consumption is lower to 1.6W .

1

INS+GNSS navigation

With up to 20HZ IMU data update rate and inertial navigation fusion algorithm, K825 can provide continuous and high-quality positioning data in harsh environments such as tunnels, buildings and forests.

Specifications

 

Performance

Singal Tracking

GPS:   L1C/A, L2P, L2C, L5

BDS-2:  B1I, B2I, B3I

BDS-3:  B1I, B3l, B1C, B2a, B2b

GLONASS:  G1, G2, G3*

Galileo:  E1, E5b, E5a, E5 AltBoC*, E6c*

QZSS:  L1C/A, L2C, L5, L1C*

SBAS:  L1C/A

IRNSS:  L5*

L-Band

Post Processing

2.5 mm + 1 ppm Horizontal

5 mm + 1 ppm Vertical

Single Baseline RTK

8 mm + 1 ppm Horizontal

15 mm + 1 ppm Vertical

DGPS

<0.4 m RMS

SBAS

1 m 3D RMS

Standalone

1.5m 3D RMS

Azimuth

(0.15/R)°

Roll or Pitch

(0.3/R)°

Physical

Size (L × W × H)

30 mm × 40 mm × 3.2 mm

Weight

10 g

Hardware interface

LGA 60 pin

Power consumption

1.6 W (Anti-interference off)

Input voltage

+3.3 V ± 5% DC

Storage temperature

-55 °C to + 95 °C

Working temperature

-40 °C to + 85 °C

Cold start

<30 s

Hot start

<10 s

RTK Initialization time

<5 s

Signal reacquisition

<1 s

Initialization reliability

>99.9%

Communications

LVTTL ports

3

SPI

1

Event Marker input

2

Pulse Per Second (PPS) output

1

Indicator pins show the working status

3

Correction data I/O

RTCM 2.X, 3.X, CMR (GPS only), CMR+ (GPS only)

Position data output

-ASCII: NMEA-0183 GGA, GSA, GSV, RMC, HDT, VHD, ZDA, VTG, GST, GLL; PTNL, PJK; PTNL, AVR; PTNL, GGK

-ComNav Binary

-Position data output rate: 1 Hz, 2 Hz, 5 Hz, 10 Hz, 20 Hz

Software

ComNav Compass Receiver Utility software
Compass Solution software

Documents

K825 GNSS Module

Release Date:2023-12-19

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