JS-RK26-U
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JS-RK26-U
Dead Reckoning (DR) Modules
Jumpstar JS-RK26-U Dual-Band L1+L5 GNSS+INS Integrated Navigation Module - Low-Power, High-Precision, Lightweight Mini RTK Positioning Solution
Dual-Band Full Constellation
Supports L1+L5 full-band signals of GPS/BDS/GLONASS/Galileo/QZSS/IRNSS for global high-precision positioning.
Built-In Inertial Navigation
GNSS+INS integrated navigation, 120s signal loss keeps error within 5%, stable positioning in tunnels/indoor.
RTK Centimeter-Level Accuracy
Horizontal 1.0cm+1ppm, vertical 1.5cm+1ppm, meets high-precision application demands.
200 High-Speed Channels
Dedicated search engine for fast satellite capture and lock, 10Hz high-speed update.
Ultra-Light & Compact
16.2×12.2×2.3mm size, weight <1.1g, perfect for space-constrained devices.
Dual-Band L1+L5 GNSS+INS Integrated Navigation Module
JS-RK26-U is a high-performance, low-power dual-band (L1+L5) GNSS module with built-in inertial navigation. It adopts hardware-software integrated low-power design to maintain high performance while reducing power consumption.
Equipped with an advanced anti-multipath & anti-interference RF front-end and 8 anti-single-tone interference filters for L1 band, it greatly improves positioning and TTFF performance. Supports GNSS+INS integrated navigation, AGPS, SBAS, RTK differential positioning and adaptive installation.
It is widely used in rail transit, maritime navigation, drones, automotive navigation and emergency rescue scenarios.
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Key Features & Benefits
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GNSS+INS Integrated Navigation Built-in inertial sensor, 120s satellite loss keeps positioning error within 5%.
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Dual-Band High Precision L1+L5 full-constellation reception, RTK centimeter-level positioning accuracy.
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200 Tracking Channels Dedicated search engine for fast satellite acquisition and stable tracking.
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10Hz High-Speed Update Max navigation update rate up to 10Hz for real-time dynamic control.
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Strong Anti-Interference 8 anti-single-tone filters + multipath detection & compensation.
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Antenna Safety Protection Antenna detection & overcurrent protection, status output via NMEA.
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Ultra-Low Power Consumption Typical 22mA@3.3V, standby 14uA for long battery life.
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Rich Protocol Support NMEA 0183, RTCM 3.X, private binary protocol.
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Technical Specifications
GNSS & INS Performance
| Receiver Type | Dual-band (L1+L5) GNSS+INS integrated navigation module |
| Supported Constellations & Bands | GPS: L1/L5; BDS: B1I/B1C/B2I/B2B/B2A; GLONASS: G1; Galileo: E1/E5; QZSS: L1/L5; IRNSS: L5 |
| Tracking Channels | 200 tracking channels + dedicated search engine |
| Sensitivity | Tracking: -165dBm; Reacq: -159dBm; Hot Start: -159dBm; Cold Start: -148dBm |
| Time to First Fix | Cold Start: 28s; AGPS: 1.5s; Warm Start: 1s |
| Positioning Accuracy | Single-point: H 1.0m/V 2.0m; RTK: H 1.0cm+1ppm/V 1.5cm+1ppm |
| Speed Accuracy | 0.1m/s CEP |
| Inertial Navigation | GNSS loss within 120s: error ≤5% |
| Operational Limits | Dynamics≤4g; Altitude≤20000m; Velocity≤500m/s |
| Max Update Rate | 10Hz (Default: 1Hz) |
| Supported Protocols | NMEA 0183; RTCM3.X; Private binary protocol |
Interfaces & Power
| Baud Rate | 9600~921600bps (Default: 115200bps) |
| Antenna Function | Active antenna detection + overcurrent protection; Antenna gain ≤30dB |
| Power Supply | VCC: 2.0~3.6V; Backup: 1.8~3.6V |
| Operating Current | Average: 18~32mA@3.3V; Standby: 14uA@3.3V |
| Digital I/O | 1.8~3.6V |
| Operating Temperature | -40℃ ~ +85℃ |
| Humidity | 95% |
| Mechanical Dimensions | 16.2×12.2×2.3mm±0.3mm; Weight<1.1g |
| Main Interfaces | UART(TX/RX), 1PPS, RF_IN, VCC_RF, RESET_N, I2C(internal IMU) |
| Compliance | RoHS compliant |
Typical Applications
Rail Transit Intelligent Positioning
Train positioning, track monitoring & rail infrastructure
Automotive Navigation & Tracking
Vehicle navigation, fleet management & telematics
Maritime Navigation & Fleet
Vessel positioning, maritime fleet management & safety
UAV & Drone Navigation
High-dynamic navigation for drones and UAVs
Emergency Rescue & Protection
Personal safety devices, emergency response & rescue tracking
Intelligent Logistics & Asset Tracking
Logistics dispatching, asset tracking & supply chain visibility
AVL & Location-Based Services
Automatic vehicle location, LBS & telematics services
High-Precision Portable Devices
Handheld RTK terminals, survey equipment & wearable positioning
Resources & Downloads
JS-RK26-U Datasheet
Complete specifications, INS parameters, electrical and mechanical details
Protocol Documentation
NMEA 0183, RTCM3.X, private binary protocol definitions
User Manual
Quick start guide, INS configuration, and low-power optimization
3D CAD Model
STEP, IGES and STL formats for mechanical integration (16.2×12.2×2.3mm)
Frequently Bought Together
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JS-C8A
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