SparkPNT GPS-28139 GNSS Flex Module

The SparkPNT GPS-28139 is a flex GNSS module built around the LG290P chipset for precision navigation, surveying and mapping systems requiring quad-band reception and RTK support.

Key features

• LG290P receiver chipset handles satellite positioning functions.
• Quad-band GNSS reception supports multi-frequency positioning applications.
• RTK capability enables integration with correction-based positioning workflows.
• Flex-module construction suits custom navigation hardware and compact embedded layouts.
• Built-in anti-jamming keeps the signal usable in RF-noisy environments.

Specifications

• GNSS chipset: LG290P
• GNSS bands: Quad-band (L1, L2, L5, L6/E6)
• Constellations: GPS, GLONASS, Galileo, BeiDou, QZSS, NavIC
• RTK: Supported
• Horizontal accuracy: 0.7 m autonomous, 0.8 cm + 1 ppm RTK
• Vertical accuracy: 2.5 m autonomous, 1.5 cm + 1 ppm RTK
• RTK convergence: approx. 5 s
• Update rate: 10 Hz default, 20 Hz max
• Time to first fix: cold 28 s, hot 1.7 s
• Interfaces: 3x UART, I2C, SPI, PPS
• Protocols: NMEA 0183, RTCM 3.x
• Antenna: external active antenna via U.FL
• Supply voltage: 3.15-3.45 V
• Current draw: 91 mA acquisition/tracking
• Dimensions: 44 x 34 x 7 mm
• Weight: 9 g

Confirm the host interface, electrical requirements, antenna arrangement and RTK correction source against the design of your positioning system before integration.