FK-A3 GNSS

The FK-A3 is a compact u-blox M10 GNSS + compass module for FPV and fixed-wing builds — 20 × 20 mm, about 8 grams, tracking up to 32 satellites across four constellations.

• u-blox M10050 receiver: GPS · GLONASS · BeiDou · Galileo
• QMC5883L compass for heading
• 1.5 m CEP positioning · 0.3° heading accuracy
• 1–10 Hz update rate, NMEA 0183 / UBX output
• SH1.0-6P connector, 3.6–5.5 V supply

Key specs: Receiver: u-blox M10050 · up to 32 satellites Constellations: GPS · GLONASS · BeiDou · Galileo Compass: QMC5883L Accuracy: 1.5 m CEP · heading 0.3° Update rate: 1–10 Hz · Protocols: NMEA 0183 / UBX Supply: 3.6–5.5 V · 40 mA @ 5 V Size & weight: 20 × 20 × 8.4 mm · ≈8 g

In the box: 1× M10G-5883 GPS compass module 1× SH1.0-6P cable (160 mm)

Full pinout, wiring, and electrical data: see the spec sheet on this page.