SK15 is a multi-band, multi-constellation GNSS receiver featuring a pin-type data interface, designed for UAVs, robotics, precision control, and autonomous driving. It tracks all global satellite systems and supports all current signals, integrating advanced AIM+ anti-jamming, LOCK+ vibration-resistant tracking, APME+ multipath mitigation, and IONO+ ionospheric protection. Optimized for complex environments, it sets a performance benchmark for mass-market GNSS positioning and is widely used across industries.
Product Features
Use high-performance chips
Full-view satellite tracking, multi-constellation, multi-frequency
448 hardware channels that can track all visible satellite signals simultaneously
Default 100Hz navigation update rate
Ultra-low latency of less than 10 milliseconds
Satellite signals can be tracked smoothly during high-frequency vibrations and rapid movements
Supports GPS, GLONASS, BDS, Galileo, QZSS, Navic, SBAS satellites
Can be used as a mobile base station
Integrated TCXO, LNA, and a TF card slot up to 32G
Small size (71.0*46.0*11.3mm±0.3mm), suitable for relatively compact spaces
AIM+ interference monitoring and suppression
IONO+ ionospheric scintillation suppression
Lock+ superior tracking robustness
APME+ multipath suppression technology
RAIM+ receiver autonomous integrity monitoring
Supports standard NMEA 0183, SBF, RINEX, RTCM, CMR/CMR+.
Features interference indicator, interference mitigation and spectrum measurement capabilities
High-precision positioning and heading output, error ±0.2 degrees
Support OSNMA anti-spoofing
Performance
| Parameters | Specification |
| Can receive satellites (SK15) | GPS: L1C/A, L1C, L1PY, L2C, L2P, L5 BDS: B1I, B1C, B2a, B2I, B2b, B3I GLONASS: L1CA, L2CA, L2P, L3 CDMA Navic: L5 Galileo: E1, E5a, E5b, E5 AltBoc,E6 QZSS: L1C/A, L1C/B, L2C, L5 SBAS: EGNOS, WAAS, GAGAN, MSAS, SDCM (L1, L5) |
| Can receive satellites (SK15H） | GPS: L1C/A, L2P(Y), L2C BDS: B1, B2I, B3I GLONASS: L1C/A, L2C/A Galileo:E1, E5b QZSS: L1C/A, L1C/B, L2C SBAS: EGNOS, WAAS, GAGAN, MSAS, SDCM (L1) |
| Track performance | Tracking and navigation sensitivity: 20 dB-Hz |
| Capture sensitivity: 33 dB-Hz | |
| Positioning time test | coldStart 45s |
| Warm start ≤20s | |
| Recapture ≤1s | |
| RTKstate | Horizontal position accuracy 0.6cm+0.5ppm |
| Height accuracy 1cm+1ppm | |
| Initialization time 7s | |
| Speed accuracy | 0.03m/s |
| Directional accuracy (dual antenna) | Heading Pitch/Roll |
| 1m antenna spacing 0.15° 0.25° | |
| 5m antenna spacing 0.03° 0.05° | |
| Timing accuracy | xPPS output 5ns |
| limitation factor | Power limit ≤ 4 g |
| Height limit 18000 m | |
| Speed limit 515 m/s | |
| Refresh frequency | 115200- 4M bps (default 115200bps) |
| Data update frequency | Positioning 100 Hz |
| Observed value 100Hz | |
| Positioning and directional (dual antenna) Standalone, SBAS, DGPS 50Hz | |
| RTK 20Hz |
Pin Parameters
| Serial Number. | Name | I/O | Description |
| 1 | NC | - | null |
| 2 | VCC | p | Support 3.3V-5.5V input |
| 3 | USB_DM | IO | USB data(-) |
| 4 | USB_DP | IO | USB data(+) |
| 5 | NRST | I | Reset input (active low level) |
| 6 | LOGEN | I | Memory card logging (high level logging) |
| 7 | EVENTB | I | Event B input |
| 8 | NC | - | null |
| 9 | EVENTA | I | Event A input |
| 10 | GND | G | land |
| 11 | TXD1 | O | COM1 TTL data transmission |
| 12 | RXD1 | R | COM1 TTL data reception |
| 13 | GND | G | land |
| 14 | TXD2 | O | COM2 TTL data sending |
| 15 | RXD2 | I | COM2 TTL data reception |
| 16 | GND | G | land |
| 17 | GPLED | GPS status light | |
| 18 | GND | G | land |
| 19 | PPS | O | time pulse output |
| 20 | NC | - | null |
Product Application
Drone applications
Surveying and surveying
Personal protection
Intelligent logistics dispatch
smart robot
Geological hazard monitoring
Geographical survey
Precision agriculture and positioning services
Smart Port
Smart mining area
Construction projects
Vehicle equipment applications
Heading output (SK15H only)
Precise control
Protocols
| Protocol | Type |
| NMEA 0183 v2.3, v3.03, v4.0 | Input/output, ASCII |
| Septentrio Binary Format(SBF) | Input/output |
| RTCM v2.x, v3.x (including MSM) | Input/output |
| RINEX v2.x, v3.x | Logging |
| CMR v2.0 | Input/output |
| CMR+ | Input |
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