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.
- ≤0.02 m/s
- Velocity accuracy
- 20 ns
- Time Accuracy
- (0.15/R) °
- Azimuth
Original ComNav unit·Authorized distributor
About the K825
- 01
Dual-antenna Design for Robust Heading and Positioning
- 02
Full-constellation 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
Robust positioning and heading
The K825 is designed with dual-antenna that delivers high-precision positioning and heading information for various unmanned systems.
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 .
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.
Technical data
Values from the ComNav datasheet. Ask us for the full sheet or a side by side with another model.
Download datasheet (PDF)Performance
- Signal Tracking
- GPS: L1C/A, L2P, L2C, L5 BDS-2: B1I, B2I, B3I BDS-3: B1I, B3I, B1C, B2a, B2b GLONASS: G1, G2, G3 Galileo: E1, E5b, E5a, E5 AltBoC, E6c QZSS: L1C/A, L2C, L5, L1C SBAS: L1C/A NavIC: L5 L-Band
- Cold Start
- < 20s
- Hot Start
- < 10s
- Signal reacquisition
- < 1s
- RTK Initialization time
- < 5s
- Initialization reliability
- > 99.9 %
- Velocity accuracy
- ≤0.02 m/s
- Acceleration
- 4 g
- Time Accuracy
- 20 ns
- Overload
- 15g
- Azimuth
- (0.15/R) °
- Roll or Pitch
- (0.3/R) °
- 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
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
- LNA Power External
- +3.3V ~ +5V ± 5%VDC @ 0-100mA
- LNA Gain
- 20 ~ 40dB (suggested)
- Impedance Matching
- Wiring 50 Ω impedance matching
Communications
- LVTTL ports
- 3
- SPI
- 1
- Event Markers 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; - ComNav Binary - Position data output rate: 1 Hz, 2 Hz, 5 Hz, 10 Hz, 20Hz
Similar GNSS OEM and navigation
- Operating Temperature
- 0°C ~ +40°C
- Storage Temperature
- -40°C ~ +80°C
- Humidity
- 95% non-condensing
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- Channels
- 1100 channels
- Tracking Sensitivity
- -142dBm
- Operating Temperature
- -40℃~+85℃
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