CUAV NEO 4
Series: CUAV GNSS modules for drones
Not the right version? The data comes from vehicle registers holding many near-identical versions side by side. Photograph the data plate — we read make and type from it. Open the scanner e-mail address required
The CUAV NEO 4 is a DroneCAN GNSS module with the u-blox receiver MIA-M10Q, an STM32H5 processor and the IIS2MDC compass for medium-class multicopters. Chinese maker CUAV relies on the M10 generation, which needs less power than the M9.
The module receives GPS, GLONASS, Galileo, BeiDou, QZSS and SBAS in the L1 band (GPS L1 C/A, GLONASS L1OF, BeiDou B1I and B1C, Galileo E1B/C). It does not offer RTK. CUAV states 1.5 m CEP, the radius containing half of the measurements. The rate is 25 Hz with one satellite system and 10 Hz with four; anyone using all four systems plans with 10 Hz. Connection is through DroneCAN with a GHR-04V-S connector. The module weighs 36.5 g.
The IP67 rating applies only with suitable installation ('Install on Demand'). IP67 means dust-tight and sealed against temporary immersion, but assumes the connector and seal sit correctly. Metre class is enough for navigation, attitude control and zone warning. The EU classes C1 to C3 require geo-awareness and remote identification, both resting on the GNSS position. Anyone who will later need centimetre accuracy chooses an RTK module straight away.
For selection, the rate with several systems counts: 10 Hz is enough for most autopilots, and 25 Hz applies only to a single system. The compass sits in the module and so belongs on a mast, far from power leads; it is calibrated after installation. Upkeep includes CAN node firmware matched to the autopilot version, the seal at the connector and a look at the housing after rain.
Technical data
Other data
| Chipset | u-blox MIA-M10Qcorrect |
|---|---|
| Compass | IIS2MDCcorrect |
| Constellations | ['GPS', 'GLONASS', 'Galileo', 'BeiDou', 'QZSS', 'SBAS']correct |
| Frequency bands | L1: GPS L1 C/A, GLONASS L1OF, BeiDou B1I/B1C, Galileo E1B/Ccorrect |
| Horizontal accuracy (cm) | 150correct |
| Interfaces | DroneCAN (GHR-04V-S)correct |
| RTK capable | nocorrect |
| Update rate (Hz) | 25correct |
| Weight (g) | 36.5correct |
What to check before buying
- Check the hour meter against the service records — a replaced instrument is the most common gap.
- Compare the data plate and chassis number with the papers.
- Ask about parts availability for this build year — the running costs hang on it.
A general list for this type of machine — no substitute for an inspection or an appraiser.
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