{"title":"SparkPNT GNSS Flex Module - LG290P - SparkFun Electronics","handle":"sparkpnt-gnss-flex-module-lg290p-sparkfun-electronics-gps-28139","url":"/products/sparkpnt-gnss-flex-module-lg290p-sparkfun-electronics-gps-28139","description":"The SparkPNT GNSS Flex Module delivers centimetre-level RTK positioning using the Quectel LG290P receiver with quad-band support (L1, L2, L5, E6/L6) and multi-constellation tracking across GPS, GLONASS, Galileo, BDS, QZSS, and NavIC. With a built-in NIC anti-jamming unit and 1,040 tracking channels, it performs reliably even in challenging RF environments.\n\nThe module connects via standardised headers for integration with carrier boards and communicates over three UART interfaces or I²C, outputting NMEA 0183 and RTCM 3.x protocols.\n\nKey Features\n\n\nCentimetre-Level RTK – 0.8 cm + 1 ppm horizontal accuracy\n\nQuad-Band Reception – L1, L2, L5, E6/L6 for maximum satellite coverage\n\nMulti-Constellation – GPS, GLONASS, Galileo, BDS, QZSS, NavIC\n\n1,040 Tracking Channels – High sensitivity and fast acquisition\n\nAnti-Jamming – Built-in NIC unit for interference rejection\n\n5-Second RTK Convergence – Fast fix in real-time kinematic mode\n\nUltra-Low Backup Power – 12 µA in backup mode\n\n\nSpecifications\n\n\nReceiver – Quectel LG290P\n\nRTK Horizontal Accuracy – 0.8 cm + 1 ppm\n\nRTK Vertical Accuracy – 1.5 cm + 1 ppm\n\nAutonomous Accuracy – 0.7 m horizontal\n\nSupply Voltage – 3.15–3.45V\n\nCurrent (Normal) – 91 mA\n\nCurrent (Backup) – 12 µA\n\nInterfaces – 3× UART (up to 3,000,000 bps, default 460,800), I²C\n\nProtocols – NMEA 0183, RTCM 3.x\n\nAntenna Connector – U.FL\n\nDimensions – 12.2 × 16.0 × 2.6 mm\n\nWeight – ~0.9 g\n\nOperating Temperature – -40°C to +85°C\n\n\n\nNote: This is the GNSS module only. An external antenna and carrier board are required and sold separately.\n\n\nIdeal For\n\nRTK-precision navigation and surveying\nAutonomous vehicles and drones\nPrecision agriculture\nRobotics and machine guidance\n\n\nPackage Contents\n\n1× SparkPNT GNSS Flex Module (LG290P)\n","vendor":"SparkFun","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":138,"title":"Default Title","sku":"SF-GPS-28139","mpn":"GPS-28139","price":250.0,"compare_at_price":0.0,"on_sale":false,"in_stock":true,"available_quantity":54,"option1":"Default Title"}]}