JS-AP55 is a high-performance multi-band GNSS receiver designed for demanding applications such as UAVs, robotics, and autonomous driving. It supports all major satellite constellations and signals, and integrates advanced technologies including AIM+ anti-jamming, LOCK+ vibration resistance, APME+ multipath mitigation, and IONO+ ionospheric interference protection. Ideal for complex environments, the JS-AP55 delivers reliable, centimeter-level positioning and is widely adopted across mass-market GNSS applications.
Product Features
High precision
Integrated inertial navigation
Full system multi-frequency support, including BeiDou-3
Antenna detection capability
Multiple interface options
Dual antenna support
Surge protection
Supports BDS, GPS, GLONASS, Galileo, SBAS and QZSS
Capable of suppressing potential narrowband and monophonic radio interference signals within the GNSS signal band
Compact dimensions (55.3mm x 55.3mm x 6.7mm ±0.3mm), suitable for space-constrained applications
Supports NMEA 0183 protocol
Performance
| Parameters | Technical Parameters | |
| Receiving satellite (Mosaic-x5 single antenna) | 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) | |
| Receiving satellite (Mosaic-H dual antenna） | 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) | |
| Elevation accuracy | 1cm+1ppm | |
| Horizontal position accuracy | RTK status | 0.6cm+0.5ppm |
| Tracking performance (C/N0 threshold) | Tracking and navigation sensitivity | 20 dB-Hz |
| Acquisition sensitivity | 33 dB-Hz | |
| Timing accuracy | xPPS | 5 ns |
| Positioning time test | Cold start | 45 s |
| Warm start | <20 s | |
| Re-acquisition | 1s | |
| Channel | Tracking channel | 448 |
| Acquisition channel | 448 | |
| Velocity accuracy | 3 cm/s | |
| Restriction condition | Dynamic limitation | ≤4 g |
| Height restriction | 18000 m | |
| Speed limit | 18001 m | |
| Refresh frequency | 115200-4M bps (The default is 115200bps) | |
| Maximum navigation update frequency | Orientation | 100 Hz |
| Observed value | 100Hz | |
| Positioning orientation (double antenna) Standalone, SBA S, DGPS | 50Hz | |
| RTK | 20Hz | |
| Operating voltage/operating current | 3.3V~5.5V (3.3V@210mA) | |
| Weight | 16g | |
| Dimension | 71 * 59 * 12mm±0.3mm | |
| Interface type/number of interfaces | USB(1) UART(2) | |
| Service temperature | -40℃~85℃ | |
| Storage temperature | -55℃~85℃ | |
Pin Parameters
| Pin Number | Name | I/O | Description |
| 1 | GND | [G] | Ground |
| 2 | RXD1 | [O] | UART 1 Receive Data Input |
| 3 | TXD1 | [I] | UART 1 Transmit Data Output |
| 4 | PPS | [P] | Pulse Per Second Output |
| 5 | NC | [L] | Reserved Pin (No Connection) |
| 6 | 4G-VCC | [P] | Main Power Input |
| 7 | GND | [G] | Ground |
| 8 | TXD2 | [I] | UART 2 Transmit Data Output |
| 9 | RXD2 | [O] | UART 2 Receive Data Input |
| 10 | GND | [G] | Ground |
| 11 | USB | [I/O] | USB Interface |
| 12 | RF2 | [I/O] | Antenna Interface 2 |
| 13 | RF1 | [I/O] | Antenna Interface 1 |
Product Application
Drone applications
Surveying and mapping
Personnel protection
Intelligent logistics scheduling
Intelligent robot
Geographic survey
Protocols
| Parameter | Protocol |
| NMEA0183 | GPGGA, GPGSV, GPGLL, GPGSA, GPGST, GPHDT, GPRMC, GPVTG, GPZDA |
| (CNB) Binary Format | Custom Binary |
| CMR(GPS) | CMROBS, SMRREF |
| RTCM2.X | RTCM1, RTCM3, RTCM9, RTCM1819, RTCM31, RTCM41, RTCM42 |
| RTCM3.X | 1004~1008, 1012, 1019, 1020, 1033, 1042, 1045/1046, 1230, 4078 MSM3~MSM7:1073~1077, 1083~1087, 1123~1127, 1093~1097 |
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