AT-1110U-GK
The AT-1110U-GK is a compact, high-performance single-system GPS receiver module based on the GK9501 chipset. Featuring exceptional -165dBm tracking sensitivity, ultra-low power consumption (max 28mA), 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 support for GPS, QZSS, and SBAS systems, it provides accurate navigation data for portable navigation devices, mobile phones, cameras, and vehicle navigation systems with optimal power efficiency.
Classification:
Positioning Module
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Product Description
AT-1110U-GK GPS Receiver Module
Compact single-system navigation with GK9501 chipset
Ultra-Compact Design
11×10×2.2mm form factor for space-constrained applications
High Sensitivity
-165dBm tracking sensitivity for challenging environments
Ultra Low Power
Tracking: 20mA, Acquisition: 28mA, Standby: 2.0mA
Fast Positioning
Hot start: 1s, Warm start: 30s, Cold start: 35s
Product Overview
The AT-1110U-GK is a highly compact and efficient single-system GPS receiver module based on the advanced GK9501 chipset. This module delivers exceptional sensitivity and reliable positioning performance in challenging urban environments and dense foliage areas where traditional GPS reception may be difficult. With 66 search channels and 22 simultaneous tracking channels, it provides rapid satellite acquisition and continuous tracking. The module's ultra-compact form factor and industry-leading low power consumption make it ideal for battery-powered portable devices and space-constrained applications.
Key Features
GK9501 Chipset Platform
High-performance, low-power GPS processor with integrated LNA
Exceptional Sensitivity
Tracking: -165dBm, Re-acquisition: -164dBm
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, 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, QZSS, SBAS (WAAS, EGNOS, MSAS, GAGAN) |
| Receiver Channels | 66 search channels, 22 synchronous tracking channels |
| Sensitivity | Tracking: -165dBm, Re-acquisition: -164dBm |
| TTFF (Autonomous) | Cold start: 35s, Warm start: 30s, Hot start: 1s |
| Position Accuracy | Autonomous: <2.5m CEP |
| Power Consumption | Acquisition: 28mA, Tracking: 20mA, Standby: 2.0mA, Backup: 15μA |
| Operating Voltage | 2.8V to 4.3V (Typical: 3.3V) |
| 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 |
| Storage Temperature | -45°C to +125°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
Portable Devices
PNDs, mobile phones, and personal navigation devices
Location Services
LBS and asset tracking 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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