AT-1110U-GKBD
The AT-1110U-GKBD is a compact, high-performance dual-system GPS and Beidou receiver module based on the GK9501 chipset. Featuring exceptional -165dBm tracking sensitivity, ultra-low power consumption, and a small 11×10mm form factor, this module delivers reliable positioning in challenging urban and foliage environments. With 66 search channels, 22 tracking channels, and comprehensive satellite system support including SBAS, it provides accurate navigation data for portable devices, mobile phones, cameras, and vehicle navigation systems.
Classification:
Positioning Module
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Product Description
AT-1110U-GKBD GPS & Beidou Receiver Module
Compact dual-system navigation with GK9501 chipset
Dual-System Support
GPS & Beidou for enhanced satellite availability and reliability
High Sensitivity
-165dBm tracking sensitivity for urban canyons and dense foliage
Compact Design
11×10×2.2mm ultra-compact form factor
Low Power Operation
Tracking: 35mA, Standby: 2.0mA, Backup: 15μA
Product Overview
The AT-1110U-GKBD is a high-performance dual-system GPS and Beidou receiver module based on the advanced GK9501 chipset. This compact module delivers exceptional sensitivity and reliable positioning performance in challenging environments where traditional GPS systems may struggle. With 66 search channels and 22 simultaneous tracking channels, it provides rapid satellite acquisition and continuous tracking. The module's small form factor and low power consumption make it ideal for integration into space-constrained portable devices.
Key Features
GK9501 Chipset Platform
High-performance, low-power dual-system GNSS processor
Exceptional Sensitivity
Tracking: -165dBm, Re-acquisition: -164dBm, Acquisition: -130dBm
Fast Time to First Fix
Hot start: 1s, Warm start: 30s, Cold start: 35s
Multi-Channel Architecture
66 search channels with 22 synchronous tracking channels
Comprehensive Satellite Support
GPS, Beidou, QZSS, and SBAS (WAAS, EGNOS, MSAS, GAGAN)
Robust Environmental Performance
Operating temperature range from -40°C to +85°C
Technical Specifications
| Chipset Platform | GK9501 |
|---|---|
| Supported Systems | GPS L1, Beidou B1, QZSS, SBAS (WAAS, EGNOS, MSAS, GAGAN) |
| Receiver Channels | 66 search channels, 22 synchronous tracking channels |
| Sensitivity | Tracking: -165dBm, Re-acquisition: -164dBm, Acquisition: -130dBm |
| TTFF (Autonomous) | Cold start: 35s, Warm start: 30s, Hot start: 1s |
| Position Accuracy | Autonomous: <2.5m CEP |
| Time Accuracy (1PPS) | ±10ns |
| Power Consumption | Tracking: 35mA, Standby: 2.0mA, Backup: 15μA |
| Operating Voltage | 2.8V to 4.3V |
| Interface | UART (4800bps to 115200bps, default 9600bps) |
| Protocol | NMEA-0183 or custom protocol |
| 1PPS Output | 100ms pulse width, synchronized timing |
| Operating Temperature | -40°C to +85°C |
| Dimensions | 11×10×2.2mm |
| Weight | Approx. 0.41g |
| Package | 18-pin SMT with stamp holes |
| Environmental Compliance | RoHS compliant (Lead-free) |
Applications
Vehicle Navigation
Automotive navigation systems and fleet management
Mobile Devices
Smartphones, tablets, and portable navigation devices
Location Services
Asset tracking and location-based applications
Wearable Technology
Smart watches and fitness tracking devices
Consumer Electronics
Digital cameras and portable gaming devices
IoT Applications
Internet of Things and smart device positioning
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