Shipping to 
and 
RTK receivers: simpleRTK3B series
Reach millimeter-level accuracy in minutes with affordable and low power dual/triple band GPS/GNSS RTK boards, based on Septentrio Mosaic and Unicore.
For OEM use, and fully compatible with Arduino, STM32 Nucleo, Raspberry Pi, Nvidia Jetson or as an external GNSS for Pixhawk and Ardupilot.
Reach millimeter-level accuracy in minutes with affordable and low power dual/triple band GPS/GNSS RTK boards, based on Septentrio Mosaic and Unicore.
For OEM use, and fully compatible with Arduino, STM32 Nucleo, Raspberry Pi, Nvidia Jetson or as an external GNSS for Pixhawk and Ardupilot.
Septentrio
Unicore
From Original price was: 266,00€.223,00€Current price is: 223,00€.
- Down to 7 millimeters accuracy
- HAS not supported
- 0.6m standalone with SBAS
- Advanced antijamming and antispoofing
- Full RTCM support
- Best for: heavy duty, research, surveying, base stations
Technical details
GNSS Module
simpleRTK3B Pro, simpleRTK3B Micro Septentrio, simpleRTK3B mPCIe:
Based on Mosaic-X5
Multi band
simpleRTK3B Pro, simpleRTK3B Micro Septentrio, simpleRTK3B mPCIe:
L1, L2 and L5 support, 448 tracking channels
Accuracy with RTK
simpleRTK3B Pro, simpleRTK3B Micro Septentrio, simpleRTK3B mPCIe:
down to 7 Millimeters level precision with a base station or NTRIP up to 35km
<1.2m in standalone mode
<0.6m standalone with SBAS coverage
Update rate
simpleRTK3B Pro, simpleRTK3B Micro Septentrio, simpleRTK3B mPCIe:
up to 100Hz
Form factor standard
simpleRTK3B Pro:
Arduino UNO (69x53mm)
simpleRTK3B Micro Septentrio:
ArduSimple Micro (37x32mm)
simpleRTK3B mPCIe:
mPCIe (60x30mm)
Onboard interfaces
simpleRTK3B Pro:
USB-C, UART, MicroSD, Pixhawk connector, Xbee socket
simpleRTK3B Micro Septentrio:
—
simpleRTK3B mPCIe:
USB
Special function pins
simpleRTK3B Pro:
Timepulse, Event Input, Logging control
simpleRTK3B Micro Septentrio:
USB, UART1, UART2, Timepulse, Event Input, RMII Ethernet, SD card, Logging button, GPIO
simpleRTK3B mPCIe:
USB, UART1, UART2, Timepulse, Event Input
Interfaces available with accessories
More technical details
- Down to 10 millimeters accuracy
- 0.4m with Galileo HAS
- 0.9m standalone with SBAS
- Basic jamming immunity
- Limited RTCM support
- Best for: DIY, low cost applications
simpleRTK3B Budget
Beginner & advanced users
Technical details
GNSS Module
simpleRTK3B Budget, simpleRTK3B Micro Unicore:
Unicore UM980
Multi band
simpleRTK3B Budget, simpleRTK3B Micro Unicore:
Multi band: L1, L2 and L5 support, 1408 search+tracking channels
Accuracy with RTK
simpleRTK3B Budget, simpleRTK3B Micro Unicore:
down to 10 Millimeters level precision with a base station or NTRIP up to 35km
<1.2m in standalone mode
<0.4m with Galileo HAS
<0.9m standalone with SBAS coverage
Update rate
simpleRTK3B Budget, simpleRTK3B Micro Unicore:
up to 50Hz
Form factor
simpleRTK3B Budget:
Arduino UNO (69x53mm)
simpleRTK3B Micro Unicore:
ArduSimple Micro (27x24mm)
Onboard interfaces
simpleRTK3B Budget:
USB-C, UART, Pixhawk connector, Xbee socket
simpleRTK3B Micro Unicore:
—
Special function pins
simpleRTK3B Budget:
Timepulse, Event Input
simpleRTK3B Micro Unicore:
USB, UART1, UART2, Timepulse, Event Input, GPIO
Interfaces available with accessories
More technical details
Multifrequency and Multiconstellation
simpleRTK3B Pro, simpleRTK3B Micro Septentrio, simpleRTK3B mPCIe:
GPS: L1C/A L1PY L2C L2P L5
GLONASS: L1CA L2CA L2P L3 CDMA
Galileo: E1 E5a E5b E5 AltBloc E6
BeiDou: B1I B1C B2a B2I B3
QZSS: L1C/A L2C L5
Navic: L5
SBAS: WAAS, EGNOS, MSAS, GAGAN, SDCM (L1 L5)
Protocols
simpleRTK3B Pro, simpleRTK3B Micro Septentrio, simpleRTK3B mPCIe:
Septentrio Binary Format (SBF)
NMEA 0183 v2.3v3.03, v4.0
RINEX v2.x, v3.x
RTCM v2.x, v3.x (MSM included)
CMR v2.0 (out/in), CMR+ (input only)
Mode functionality
simpleRTK3B Pro, simpleRTK3B Micro Septentrio, simpleRTK3B mPCIe:
Base or Rover
Raw GNSS measurements & RINEX
simpleRTK3B Pro, simpleRTK3B Micro Septentrio, simpleRTK3B mPCIe:
Natively supported Raw GNSS measurements & RINEX
Start-up times
simpleRTK3B Pro, simpleRTK3B Micro Septentrio, simpleRTK3B mPCIe:
Cold start: <45s
Warm start: <20s
Re-acquisition: 1s
Advanced configurations
simpleRTK3B Pro, simpleRTK3B Micro Septentrio, simpleRTK3B mPCIe:
Antenna offset settings
Upload antenna Calibration file
Compatible with almost anything: heading in HDT format, CMR support, complete RTCM message set
Work with local coordinate systems thanks to RTCM 1021 & 1023 support
Interference monitoring and mitigation (Antijamming and Antispoofing)
Operating temperature range
simpleRTK3B Pro, simpleRTK3B Micro Septentrio, simpleRTK3B mPCIe:
-40 to +85°C
Storage temperature range
simpleRTK3B Pro, simpleRTK3B Micro Septentrio, simpleRTK3B mPCIe:
-40 to +85°C
Certification
simpleRTK3B Pro, simpleRTK3B Micro Septentrio, simpleRTK3B mPCIe:
CE, RED, RoHS, WEEE, NDAA
Documentation
simpleRTK3B Pro:
User Guide, 3D model
simpleRTK3B Micro Septentrio:
User Guide, 3D model, Footprint
simpleRTK3B mPCIe:
User Guide, 3D model, Footprint
3D CAD STEP File
simpleRTK3B Pro, simpleRTK3B Micro Septentrio, simpleRTK3B mPCIe:
Available
Weight
simpleRTK3B Pro:
24g
simpleRTK3B Micro Septentrio:
15g
simpleRTK3B mPCIe:
17g
Mounting holes
simpleRTK3B Pro:
3 Mounting holes
simpleRTK3B Micro Septentrio:
No mounting holes (plugged via socket or directly soldered)
simpleRTK3B mPCIe:
2 Mounting holes
GNSS RF connector
simpleRTK3B Pro:
SMA RF connector
simpleRTK3B Micro Septentrio:
SMA or uFL RF connector
simpleRTK3B mPCIe:
uFL RF connector
Case
simpleRTK3B Pro:
simpleRTK3B Micro Septentrio:
—
simpleRTK3B mPCIe:
—
Voltage range
simpleRTK3B Pro:
4.5-5.5V
simpleRTK3B Micro Septentrio:
2.7-3.6V
simpleRTK3B mPCIe:
4.5-5.5V
Type current
simpleRTK3B Pro, simpleRTK3B Micro Septentrio, simpleRTK3B mPCIe:
300mA @ 5V
Antenna voltage
simpleRTK3B Pro, simpleRTK3B Micro Septentrio, simpleRTK3B mPCIe:
3.3V
Multifrequency and Multiconstellation
simpleRTK3B Budget, simpleRTK3B Micro Unicore:
GPS: L1C/A L1PY L2C L2PY L5
GLONASS: L1CA L2CA L2P L3 CDMA
Galileo: E1 E5a E5b E5 E6 HAS
BeiDou: B1I B1C B2a B2b B2I B3I
QZSS: L1C/A L2C L5
Navic: L5
SBAS: WAAS, EGNOS, MSAS, GAGAN, SDCM (L1)
Protocols
simpleRTK3B Budget, simpleRTK3B Micro Unicore:
Unicore Format
NMEA 0183
RTCM v3
Mode functionality
simpleRTK3B Budget, simpleRTK3B Micro Unicore:
Base or Rover
Raw GNSS measurements & RINEX
simpleRTK3B Budget, simpleRTK3B Micro Unicore:
Raw GNSS measurements & RINEX: yes, requires free PC software to convert to RINEX
Start-up times
simpleRTK3B Budget, simpleRTK3B Micro Unicore:
Cold start: <45s
Warm start: <20s
Re-acquisition: 1s
Advanced configurations
simpleRTK3B Budget, simpleRTK3B Micro Unicore:
No advanced configurations available
Operating temperature range
simpleRTK3B Budget, simpleRTK3B Micro Unicore:
-40 to +85°C
Storage temperature range
simpleRTK3B Budget, simpleRTK3B Micro Unicore:
-40 to +85°C
Certification
simpleRTK3B Budget, simpleRTK3B Micro Unicore:
CE, RED, RoHS
Documentation
simpleRTK3B Budget:
User Guide, 3D model
simpleRTK3B Micro Unicore:
User Guide, 3D model, Footprint
3D CAD STEP File
simpleRTK3B Budget, simpleRTK3B Micro Unicore:
Available
Weight
simpleRTK3B Budget:
31g
simpleRTK3B Micro Unicore:
15g
Mounting holes
simpleRTK3B Budget:
3 Mounting holes
simpleRTK3B Micro Unicore:
No mounting holes (plugged via socket or directly soldered)
GNSS RF connector
simpleRTK3B Budget:
SMA RF connector
simpleRTK3B Micro Unicore:
SMA or uFL RF connector
Case
simpleRTK3B Budget:
simpleRTK3B Micro Unicore:
—
Voltage range
simpleRTK3B Budget:
4.5-5.5V
simpleRTK3B Budget, simpleRTK3B Micro Unicore:
2.7-3.6V
Type current
simpleRTK3B Budget, simpleRTK3B Micro Unicore:
200mA @ 5V
Antenna voltage
simpleRTK3B Budget, simpleRTK3B Micro Unicore:
3.3V
simpleRTK3B Budget
Beginner & advanced users
Accessories
-
-
-
AccessoriesPlastic Case for simpleRTK boards
From 39,00€ This product has multiple variants. The options may be chosen on the product page -
-
-
Plugins4G NTRIP Master
175,00€ This product has multiple variants. The options may be chosen on the product page
Based on Septentrio
- Down to 7 millimeters accuracy
- HAS not supported
- 0.6m standalone with SBAS
- Advanced antijamming and antispoofing
- Full RTCM support
- Best for: heavy duty, research, surveying, base stations
Based on Unicore
- Down to 10 millimeters accuracy
- 0.4m with Galileo HAS
- 0.9m standalone with SBAS
- Basic jamming immunity
- Limited RTCM support
- Best for: DIY, low cost applications
Beginner & advanced users
Integrator (needs PCB design)
Beginner & advanced users
Based on Mosaic-X5
L1, L2 and L5 support, 448 tracking channels
down to 7 Millimeters level precision with a base station or NTRIP up to 35km
< 1.2m in standalone mode
< 0.6m standalone with SBAS coverage
Update rate up to 100Hz
Arduino UNO (69x53mm)
ArduSimple Micro (37x32mm)
mPCIe (60x30mm)
Onboard interfaces: USB-C, UART, MicroSD, Pixhawk connector, Xbee socket
—
Onboard interfaces: USB
Special function pins: Timepulse, Event Input, Logging control
Special function pins: USB, UART1, UART2, Timepulse, Event Input, RMII Ethernet, SD card, Logging button, GPIO
Special function pins: USB, UART1, UART2, Timepulse, Event Input
Interfaces available with accessory: Radio (RF), Bluetooth, WiFi, BL+BLE, 4G modem, RS232, Ethernet, CANBus
—
—
More technical details
Multifrequency and Multiconstellation (for Mosaic-X5 variant):
GPS: L1C/A L1PY L2C L2P L5
GLONASS: L1CA L2CA L2P L3 CDMA
Galileo: E1 E5a E5b E5 AltBloc E6
BeiDou: B1I B1C B2a B2I B3
QZSS: L1C/A L2C L5
Navic: L5
SBAS: WAAS, EGNOS, MSAS, GAGAN, SDCM (L1 L5)
Protocols:
Septentrio Binary Format (SBF)
NMEA 0183 v2.3v3.03, v4.0
RINEX v2.x, v3.x
RTCM v2.x, v3.x (MSM included)
CMR v2.0 (out/in), CMR+ (input only)
Mode functionality: Base or Rover
Natively supported Raw GNSS measurements & RINEX
Cold start: <45s
Warm start: <20s
Re-acquisition: 1s
Antenna offset settings
Upload antenna calibration file
Compatible with almost anything: heading in HDT format, CMR support, complete RTCM message set
Work with local coordinate systems thanks to RTCM 1021 & 1023 support
Interference monitoring and mitigation (Antijamming and Antispoofing)
Operating temperature range: -40 to +85°C
Storage temperature range: -40 to +85°C
CE, RED, RoHS, WEEE, NDAA
Documentation: User Guide, 3D model
Documentation: User Guide, 3D model, Footprint
Documentation: User Guide, 3D model, Footprint
3D CAD STEP File available
Weight 24g
Weight 15g
Weight 17g
3 Mounting holes
No mounting holes (plugged via socket or directly soldered)
2 Mounting holes
SMA RF connector
SMA or uFL RF connector
uFL RF connector
Voltage range: 4.5-5.5V
Voltage range: 2.7-3.6V
Voltage range: 4.5-5.5V
Type current 300mA @ 5V
Antenna voltage: 3.3V
Beginner & advanced users
Integrator (needs PCB design)
Based on UM980
Multi band: L1, L2 and L5 support, 1408 search + tracking channels
down to 10 Millimeters level precision with a base station or NTRIP up to 35km
<1.2m in standalone mode
<0.4m with Galileo HAS
<0.9m standalone with SBAS coverage
Update rate up to 50Hz
Arduino UNO (69x53mm)
ArduSimple Micro (27x24mm)
Onboard interfaces: USB-C, UART, Pixhawk connector, Xbee socket
—
Special function pins: Timepulse, Event Input
Special function pins: USB, UART1, UART2, Timepulse, Event Input, GPIO
Available with accessory: Radio (RF), Bluetooth, WiFi, BL+BLE, 4G modem, RS232, Ethernet, CANBus, MicroSD
—
More technical details
Multifrequency and Multiconstellation (for UM980):
GPS: L1C/A L1PY L2C L2PY L5
GLONASS: L1CA L2CA L2P L3 CDMA
Galileo: E1 E5a E5b E5 E6 HAS
BeiDou: B1I B1C B2a B2b B2I B3I
QZSS: L1C/A L2C L5
Navic: L5
SBAS: WAAS, EGNOS, MSAS, GAGAN, SDCM (L1)
Protocols:
Unicore ASCII Format
NMEA 0183, v3.1, v4.1
RTCM v3 (subset only)
Mode functionality: Base or Rover
Raw GNSS measurements & RINEX: yes, requires free PC software to convert to RINEX
Cold start: <45s
Warm start: <20s
Re-acquisition: 1s
No advanced configurations available
Operating temperature range: -40 to +85°C
Storage temperature range: -40 to +85°C
Certification: CE, RED, RoHS
Documentation: User Guide, 3D model
Documentation: User Guide, 3D model, Footprint
3D CAD STEP File available
Weight 31g
Weight 15g
3 Mounting holes
No mounting holes (plugged via socket or directly soldered)
SMA RF connector
SMA or uFL RF connector
Voltage range: 4.5-5.5V
Voltage range: 2.7-3.6V
Type current 200mA @ 5V
Antenna voltage: 3.3V
