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SparkFun GNSS Flex pHAT - LG290P


	₹ 17495.0 includes GST and import duties.
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Brand:	sparkfun
SKU:	7447031185493
MPN:	GPS-28929

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Features & Specs

GNSS Flex pHAT:

40-pin socket for Raspberry Pi header
40-pin header for GNSS Flex modules
- Two 2x20-pin, 2mm-pitch male headers
  - Power
    - 3.3V
    - Backup power
    - USB bus detect (not a power source)
  - USB data
  - UART (x4)
  - SD card
  - I²C bus
  - PPS signal (x2)
  - LED indicators (x2)
  - Event indicators (x2)
USB-C connector
- Interfaces directly w/ GNSS Flex Module
Antenna bridge
- U.FL connector
- SMA connector
µSD card socket
Qwiic connector
Indicator LEDs
- PWR (Red)
- PPS (Yellow)
- RTK (White)
- PVT (Blue)
Twenty-four jumpers
- Raspberry Pi GPIO isolation (x16)
- LED power isolation (x4)
- I²C pull-up resistors (x4)

LG290P GNSS Flex Module:

Quectel LG290P GNSS receiver
- Concurrent signal reception: 5 + QZSS
  - L1, L2, L5, E6 frequency bands
- GNSS Constellations:
  - GPS (USA)
  - GLONASS (Russia)
  - Galileo (EU)
  - BDS (China)
  - QZSS (Japan)
  - NavIC (India)
- SBAS Systems:
  - WAAS (USA)
  - SDCM (Russia)
  - EGNOS (EU)
  - BDSBAS (China)
  - MSAS (Japan)
  - GAGAN (India)
- Built-in NIC anti-jamming unit
Two 2x20-pin, 2mm-pitch male headers
- 40-pin socket for GNSS Flex system
  - Power
    - 3.3V
    - Backup power
    - USB bus detect (not a power source)
  - UART (x3)
  - I²C bus
  - PPS signal (x1)
  - LED indicators (x1)
  - Event indicators (x1)
U.FL Connector:
- GNSS Antenna (Active, Multi-band)

LG290P General Features

High-precision GNSS module
Electrical Characteristics:
- Supply Voltage: 3.15–3.45V
- Current Consumption:
  - Normal Operation:
    - 91mA (300.3mW) (Acquisition)
    - 91mA (300.3mW) (Tracking)
  - Power Saving Mode:
    - 12μA (39.6mW) (Backup Mode)
GNSS Frequency Bands:
- GPS: L1 C/A, L1C*, L5, L2C
- GLONASS: L1, L2
- Galileo: E1, E5a, E5b, E6
- BDS: B1I, B1C, B2a, B2b, B2I, B3I
- QZSS: L1 C/A, L1C*, L5, L2C
- NavIC: L5
- SBAS: L1 C/A
- L-band PPP*:
  - PPP: B2b
  - QZSS: L6
  - Galileo HAS: E6
Tracking Channels: 1040
Horizontal Position Accuracy:
- Autonomous: 0.7m
- RTK: 0.8cm + 1ppm
Vertical Accuracy:
- Autonomous: 2.5m
- RTK: 1.5cm + 1ppm
Velocity Accuracy Without Aid: 0.03m/s
Accuracy of 1PPS Signal: 5ns (RMS)
RTK Convergence Time: 5s
Time to First Fix (without AGNSS):
- Cold Start: 28s
- Warm Start: 28s
- Hot Start: 1.7s
Sensitivity:
- Acquisition: -146dBm
- Tracking: -160dBm
- Reacquisition: -155dBm
Dynamic Performance:
- Maximum Altitude: 10000m
- Maximum Velocity: 490m/s
- Maximum Acceleration: 4g
Update Rate:
- Default: 10Hz
- Max: 20Hz
Antenna Interface:
- External active antenna
- Power Supply: External or Internal
Interfaces
- UART (x3)
  - Baud Rate: 9600–3000000bps
  - Default: 460800bps
  - Protocol: NMEA 0183/RTCM 3.x
- SPI* (x1)
- I2C* (x1)
Operating temperature: -40°C to +85°C
Footprint: 12.2mm × 16mm × 2.6mm
Weight: ~0.9g

*: Feature is still under development

Features & Specs

GNSS Flex pHAT:

40-pin socket for Raspberry Pi header
40-pin header for GNSS Flex modules
- Two 2x20-pin, 2mm-pitch male headers
  - Power
    - 3.3V
    - Backup power
    - USB bus detect (not a power source)
  - USB data
  - UART (x4)
  - SD card
  - I²C bus
  - PPS signal (x2)
  - LED indicators (x2)
  - Event indicators (x2)
USB-C connector
- Interfaces directly w/ GNSS Flex Module
Antenna bridge
- U.FL connector
- SMA connector
µSD card socket
Qwiic connector
Indicator LEDs
- PWR (Red)
- PPS (Yellow)
- RTK (White)
- PVT (Blue)
Twenty-four jumpers
- Raspberry Pi GPIO isolation (x16)
- LED power isolation (x4)
- I²C pull-up resistors (x4)

LG290P GNSS Flex Module:

Quectel LG290P GNSS receiver
- Concurrent signal reception: 5 + QZSS
  - L1, L2, L5, E6 frequency bands
- GNSS Constellations:
  - GPS (USA)
  - GLONASS (Russia)
  - Galileo (EU)
  - BDS (China)
  - QZSS (Japan)
  - NavIC (India)
- SBAS Systems:
  - WAAS (USA)
  - SDCM (Russia)
  - EGNOS (EU)
  - BDSBAS (China)
  - MSAS (Japan)
  - GAGAN (India)
- Built-in NIC anti-jamming unit
Two 2x20-pin, 2mm-pitch male headers
- 40-pin socket for GNSS Flex system
  - Power
    - 3.3V
    - Backup power
    - USB bus detect (not a power source)
  - UART (x3)
  - I²C bus
  - PPS signal (x1)
  - LED indicators (x1)
  - Event indicators (x1)
U.FL Connector:
- GNSS Antenna (Active, Multi-band)

LG290P General Features

High-precision GNSS module
Electrical Characteristics:
- Supply Voltage: 3.15–3.45V
- Current Consumption:
  - Normal Operation:
    - 91mA (300.3mW) (Acquisition)
    - 91mA (300.3mW) (Tracking)
  - Power Saving Mode:
    - 12μA (39.6mW) (Backup Mode)
GNSS Frequency Bands:
- GPS: L1 C/A, L1C*, L5, L2C
- GLONASS: L1, L2
- Galileo: E1, E5a, E5b, E6
- BDS: B1I, B1C, B2a, B2b, B2I, B3I
- QZSS: L1 C/A, L1C*, L5, L2C
- NavIC: L5
- SBAS: L1 C/A
- L-band PPP*:
  - PPP: B2b
  - QZSS: L6
  - Galileo HAS: E6
Tracking Channels: 1040
Horizontal Position Accuracy:
- Autonomous: 0.7m
- RTK: 0.8cm + 1ppm
Vertical Accuracy:
- Autonomous: 2.5m
- RTK: 1.5cm + 1ppm
Velocity Accuracy Without Aid: 0.03m/s
Accuracy of 1PPS Signal: 5ns (RMS)
RTK Convergence Time: 5s
Time to First Fix (without AGNSS):
- Cold Start: 28s
- Warm Start: 28s
- Hot Start: 1.7s
Sensitivity:
- Acquisition: -146dBm
- Tracking: -160dBm
- Reacquisition: -155dBm
Dynamic Performance:
- Maximum Altitude: 10000m
- Maximum Velocity: 490m/s
- Maximum Acceleration: 4g
Update Rate:
- Default: 10Hz
- Max: 20Hz
Antenna Interface:
- External active antenna
- Power Supply: External or Internal
Interfaces
- UART (x3)
  - Baud Rate: 9600–3000000bps
  - Default: 460800bps
  - Protocol: NMEA 0183/RTCM 3.x
- SPI* (x1)
- I2C* (x1)
Operating temperature: -40°C to +85°C
Footprint: 12.2mm × 16mm × 2.6mm
Weight: ~0.9g

*: Feature is still under development

Documentation

Design Files
- GNSS Flex pHAT
- LG290P Flex Module
Hookup Guide
- QGNSS Software (v2.x)
Component Documentation
Building a GNSS System
Qwiic Info Page
GitHub Hardware Repositories:
- GNSS Flex pHAT
- GNSS Flex Modules

WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. See link below for more information. www.P65Warnings.ca.gov

Quantity	Price
2	₹ 17145.1
3-5	₹ 16970.15
5-10	₹ 16620.25
10+	₹ 16270.35

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SparkFun GNSS Flex pHAT - LG290P

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