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Adafruit 5186 Ultimate GPS Module PA1616D - 66 channel with 10 Hz updates - MTK3333 Chipset
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Adafruit 5186 Ultimate GPS Module PA1616D - 66 channel with 10 Hz updates - MTK3333 Chipset
The Adafruit 5186 Ultimate GPS Module is a high-precision GNSS receiver featuring the MediaTek MTK3333 chipset with 66-channel acquisition capability and 10 Hz positional update rate, delivering sub-meter accuracy for demanding navigation applications. Professional engineers and IoT developers utilize this module for real-time location tracking, autonomous vehicle systems, precision agriculture, and geospatial data collection where standard GPS modules fall short. This module solves the critical challenge of achieving rapid positional fixes with minimal latency while maintaining exceptional accuracy in urban canyon environments and challenging signal conditions.
Product Overview
The Adafruit 5186 represents the pinnacle of consumer-grade GPS technology, integrating the proven MediaTek MTK3333 chipset that has become the industry standard for high-performance positioning applications. The 66-channel architecture enables simultaneous tracking of multiple satellite constellations including GPS, GLONASS, Galileo, and BeiDou, significantly improving signal acquisition speed and positional accuracy. The 10 Hz update rate means the module provides position, velocity, and timing information ten times per second, enabling real-time responsiveness for applications requiring dynamic tracking. Unlike conventional 1 Hz GPS modules, this higher update frequency reduces latency to 100 milliseconds, critical for robotics, drone stabilization, and vehicle guidance systems.
The MTK3333 chipset incorporates advanced AGPS (Assisted GPS) functionality, allowing the module to download satellite ephemeris data from internet sources to achieve cold starts in under 35 seconds compared to traditional 45-60 second acquisition times. The module features an integrated ceramic antenna with excellent gain characteristics and includes a backup battery for maintaining RTC (Real Time Clock) functionality during power cycles. Communication occurs via standard UART serial interface at 9600 baud default rate, fully compatible with Arduino, Raspberry Pi, and industrial microcontroller platforms. The module operates across -40 to +85 degrees Celsius, making it suitable for automotive and outdoor environmental monitoring applications.
Key Specifications
| Specification | Details |
| Product Type | GNSS GPS Receiver Module with Multi-Constellation Support |
| Brand | Adafruit Industries |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
| Chipset | MediaTek MTK3333 |
| Satellite Channels | 66 channels with multi-constellation tracking |
| Update Rate | 10 Hz maximum (configurable 1-10 Hz) |
| Position Accuracy | 2.5 meters CEP (Circular Error Probability) |
| Cold Start Time | 35 seconds with AGPS, 45-60 seconds without |
| Warm Start Time | 5 seconds |
| Hot Start Time | 1 second |
| Velocity Accuracy | 0.3 meter/second |
| Interface | UART Serial (TTL 3.3V logic) |
| Baud Rate | 9600 baud default, configurable up to 115200 |
| Operating Voltage | 3.3V to 5V with onboard regulator |
| Current Draw | 25-30 mA during acquisition, 20 mA tracking |
| Temperature Range | -40 to +85 degrees Celsius |
| Antenna Type | Integrated ceramic patch antenna |
| Backup Battery | CR1632 coin cell for RTC maintenance |
| Protocol Support | NMEA 0183, MTK proprietary commands |
| Dimensions | 32mm x 32mm x 10mm |
| Weight | Approximately 8 grams |
Key Features
- 66-Channel Multi-Constellation Receiver: Simultaneously tracks GPS, GLONASS, Galileo, and BeiDou satellites, ensuring robust signal acquisition even in dense urban environments with significant signal obstruction and multipath interference.
- 10 Hz Update Rate: Provides position fixes ten times per second with 100-millisecond latency, enabling real-time responsiveness for drone stabilization, vehicle guidance, and robotics applications requiring dynamic tracking.
- Advanced AGPS Capability: Downloads satellite ephemeris data from internet sources to achieve sub-35-second cold starts, dramatically reducing initial acquisition time compared to traditional unaided GPS modules.
- Integrated Ceramic Antenna: Factory-tuned antenna with excellent gain characteristics delivers reliable signal reception across diverse environmental conditions without requiring external antenna modifications.
- TTL Serial Interface: Standard UART communication at configurable baud rates from 9600 to 115200, ensuring seamless integration with Arduino, Raspberry Pi, STM32, and other microcontroller platforms.
- Wide Operating Voltage: Accepts 3.3V to 5V input with integrated voltage regulator, eliminating the need for external power conditioning circuits in most applications.
- RTC Backup Battery: Onboard CR1632 coin cell maintains real-time clock functionality during power cycles, preserving timing accuracy for time-synchronized applications.
- Industrial Temperature Range: Operates reliably from -40 to +85 degrees Celsius, suitable for automotive, aerospace, and outdoor environmental monitoring deployments.
Applications and Use Cases
- Autonomous Vehicle Navigation: The 10 Hz update rate and multi-constellation support provide the rapid positional updates and accuracy required for autonomous vehicle guidance systems, lane-keeping assistance, and collision avoidance algorithms operating at highway speeds.
- Drone and UAV Stabilization: Real-time position and velocity data at 10 Hz enables precise flight control, GPS-denied area recovery, return-to-home functionality, and autonomous waypoint navigation for commercial and research unmanned aerial vehicles.
- Precision Agriculture and Geospatial Mapping: Sub-2.5-meter accuracy combined with rapid update rates supports precision crop monitoring, variable-rate application mapping, and high-resolution orthomosaic generation for agricultural drones and ground-based surveying equipment.
- Real-Time Vehicle Tracking and Fleet Management: The module integrates into GPS tracking systems for commercial fleet monitoring, delivery route optimization, and geofencing applications requiring rapid position updates to detect unauthorized vehicle movement.
- Robotics and Mobile Robot Navigation: Continuous 10 Hz position fixes enable simultaneous localization and mapping (SLAM) algorithms, autonomous path planning, and obstacle avoidance for wheeled and legged robots operating in outdoor environments.
- Time Synchronization Applications: Integrated RTC and PPS (Pulse Per Second) output support precision timing applications including wireless network synchronization, financial transaction timestamping, and scientific data acquisition requiring nanosecond-level accuracy.
- Marine and Maritime Navigation: Multi-constellation support and rapid update rates provide reliable positioning for autonomous surface vehicles, oceanographic research vessels, and maritime surveying equipment operating in challenging coastal and offshore environments.
How to Use
Begin by connecting the Adafruit 5186 GPS module to your microcontroller platform using the UART serial interface. Connect the module's TX pin to your microcontroller's RX pin, RX pin to the microcontroller's TX pin, GND to ground, and VCC to a 3.3V to 5V power supply. The module draws approximately 25-30 mA during satellite acquisition, so ensure your power supply can provide adequate current. Install the Adafruit GPS library for Arduino from the Library Manager, which provides pre-configured functions for parsing NMEA sentences and extracting position, velocity, and timing data. Initialize serial communication at 9600 baud (the default rate) and begin reading NMEA strings containing position data in the format GGA (Global Positioning System Fix Data), RMC (Recommended Minimum Navigation Information), and VTG (Track and Ground Speed).
For optimal performance, mount the module with the antenna facing skyward in an unobstructed location, maintaining at least 30 degrees clearance from overhead obstacles. The first acquisition (cold start) typically requires 35-60 seconds depending on AGPS availability; subsequent fixes (warm/hot starts) complete within 1-5 seconds. Configure the update rate using MTK proprietary commands if your application requires rates other than the default 1 Hz; the module supports up to 10 Hz updates by sending the appropriate PMTK command sequence. Monitor the RMC sentence for the active/void field to determine fix validity, and implement timeout logic to handle periods when satellite signal is temporarily lost. For applications requiring maximum accuracy, enable NMEA sentence filtering to receive only GGA and RMC sentences, reducing serial bandwidth consumption and improving parsing efficiency.
Frequently Asked Questions
What is the difference between 66-channel GPS and standard 12-channel GPS modules?
A 66-channel receiver can simultaneously track 66 satellite signals across multiple constellations (GPS, GLONASS, Galileo, BeiDou), compared to 12-channel modules that track only 12 signals typically from GPS alone. This architectural difference provides dramatically faster acquisition times (cold start under 35 seconds versus 45-60 seconds), superior accuracy in urban canyon environments where signal obstruction is common, and more reliable fixes in challenging conditions. The additional channels enable continuous tracking of satellites entering and leaving the receiver's view, eliminating the need to reacquire satellites and reducing latency during dynamic motion.
Why does the 10 Hz update rate matter for my application?
Standard GPS modules provide one position fix per second, creating a 1000-millisecond latency between actual vehicle movement and position update. The 10 Hz update rate reduces this latency to 100 milliseconds, critical for applications where rapid response is essential. For autonomous vehicles traveling at 100 km/h, a 1-second latency represents 27.8 meters of untracked movement; 10 Hz updates reduce this to 2.78 meters. For drone stabilization, the faster update rate enables responsive altitude hold and position hold algorithms. For robotics applications, 10 Hz updates improve SLAM algorithm convergence and reduce drift in dead reckoning calculations.
Can I use this module with 5V microcontrollers directly?
Yes, the Adafruit 5186 includes an onboard voltage regulator that accepts input from 3.3V to 5V, so you can power it directly from 5V supplies. However, the module's UART output operates at 3.3V TTL logic levels. Most modern 5V microcontrollers (Arduino Uno, Mega) have 5V-tolerant input pins
Buy Adafruit 5186 Ultimate GPS Module PA1616D - 66 channel with 10 Hz updates - MTK3333 Chipset Online in India
Purchase the Adafruit 5186 Ultimate GPS Module PA1616D - 66 channel with 10 Hz updates - MTK3333 Chipset online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.
Adafruit 5186 Ultimate GPS Module PA1616D - 66 channel with 10 Hz updates - MTK3333 Chipset
The Adafruit 5186 Ultimate GPS Module is a high-precision GNSS receiver featuring the MediaTek MTK3333 chipset with 66-channel acquisition capability and 10 Hz positional update rate, delivering sub-meter accuracy for demanding navigation applications. Professional engineers and IoT developers utilize this module for real-time location tracking, autonomous vehicle systems, precision agriculture, and geospatial data collection where standard GPS modules fall short. This module solves the critical challenge of achieving rapid positional fixes with minimal latency while maintaining exceptional accuracy in urban canyon environments and challenging signal conditions.
Product Overview
The Adafruit 5186 represents the pinnacle of consumer-grade GPS technology, integrating the proven MediaTek MTK3333 chipset that has become the industry standard for high-performance positioning applications. The 66-channel architecture enables simultaneous tracking of multiple satellite constellations including GPS, GLONASS, Galileo, and BeiDou, significantly improving signal acquisition speed and positional accuracy. The 10 Hz update rate means the module provides position, velocity, and timing information ten times per second, enabling real-time responsiveness for applications requiring dynamic tracking. Unlike conventional 1 Hz GPS modules, this higher update frequency reduces latency to 100 milliseconds, critical for robotics, drone stabilization, and vehicle guidance systems.
The MTK3333 chipset incorporates advanced AGPS (Assisted GPS) functionality, allowing the module to download satellite ephemeris data from internet sources to achieve cold starts in under 35 seconds compared to traditional 45-60 second acquisition times. The module features an integrated ceramic antenna with excellent gain characteristics and includes a backup battery for maintaining RTC (Real Time Clock) functionality during power cycles. Communication occurs via standard UART serial interface at 9600 baud default rate, fully compatible with Arduino, Raspberry Pi, and industrial microcontroller platforms. The module operates across -40 to +85 degrees Celsius, making it suitable for automotive and outdoor environmental monitoring applications.
Key Specifications
| Specification | Details |
| Product Type | GNSS GPS Receiver Module with Multi-Constellation Support |
| Brand | Adafruit Industries |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
| Chipset | MediaTek MTK3333 |
| Satellite Channels | 66 channels with multi-constellation tracking |
| Update Rate | 10 Hz maximum (configurable 1-10 Hz) |
| Position Accuracy | 2.5 meters CEP (Circular Error Probability) |
| Cold Start Time | 35 seconds with AGPS, 45-60 seconds without |
| Warm Start Time | 5 seconds |
| Hot Start Time | 1 second |
| Velocity Accuracy | 0.3 meter/second |
| Interface | UART Serial (TTL 3.3V logic) |
| Baud Rate | 9600 baud default, configurable up to 115200 |
| Operating Voltage | 3.3V to 5V with onboard regulator |
| Current Draw | 25-30 mA during acquisition, 20 mA tracking |
| Temperature Range | -40 to +85 degrees Celsius |
| Antenna Type | Integrated ceramic patch antenna |
| Backup Battery | CR1632 coin cell for RTC maintenance |
| Protocol Support | NMEA 0183, MTK proprietary commands |
| Dimensions | 32mm x 32mm x 10mm |
| Weight | Approximately 8 grams |
Key Features
- 66-Channel Multi-Constellation Receiver: Simultaneously tracks GPS, GLONASS, Galileo, and BeiDou satellites, ensuring robust signal acquisition even in dense urban environments with significant signal obstruction and multipath interference.
- 10 Hz Update Rate: Provides position fixes ten times per second with 100-millisecond latency, enabling real-time responsiveness for drone stabilization, vehicle guidance, and robotics applications requiring dynamic tracking.
- Advanced AGPS Capability: Downloads satellite ephemeris data from internet sources to achieve sub-35-second cold starts, dramatically reducing initial acquisition time compared to traditional unaided GPS modules.
- Integrated Ceramic Antenna: Factory-tuned antenna with excellent gain characteristics delivers reliable signal reception across diverse environmental conditions without requiring external antenna modifications.
- TTL Serial Interface: Standard UART communication at configurable baud rates from 9600 to 115200, ensuring seamless integration with Arduino, Raspberry Pi, STM32, and other microcontroller platforms.
- Wide Operating Voltage: Accepts 3.3V to 5V input with integrated voltage regulator, eliminating the need for external power conditioning circuits in most applications.
- RTC Backup Battery: Onboard CR1632 coin cell maintains real-time clock functionality during power cycles, preserving timing accuracy for time-synchronized applications.
- Industrial Temperature Range: Operates reliably from -40 to +85 degrees Celsius, suitable for automotive, aerospace, and outdoor environmental monitoring deployments.
Applications and Use Cases
- Autonomous Vehicle Navigation: The 10 Hz update rate and multi-constellation support provide the rapid positional updates and accuracy required for autonomous vehicle guidance systems, lane-keeping assistance, and collision avoidance algorithms operating at highway speeds.
- Drone and UAV Stabilization: Real-time position and velocity data at 10 Hz enables precise flight control, GPS-denied area recovery, return-to-home functionality, and autonomous waypoint navigation for commercial and research unmanned aerial vehicles.
- Precision Agriculture and Geospatial Mapping: Sub-2.5-meter accuracy combined with rapid update rates supports precision crop monitoring, variable-rate application mapping, and high-resolution orthomosaic generation for agricultural drones and ground-based surveying equipment.
- Real-Time Vehicle Tracking and Fleet Management: The module integrates into GPS tracking systems for commercial fleet monitoring, delivery route optimization, and geofencing applications requiring rapid position updates to detect unauthorized vehicle movement.
- Robotics and Mobile Robot Navigation: Continuous 10 Hz position fixes enable simultaneous localization and mapping (SLAM) algorithms, autonomous path planning, and obstacle avoidance for wheeled and legged robots operating in outdoor environments.
- Time Synchronization Applications: Integrated RTC and PPS (Pulse Per Second) output support precision timing applications including wireless network synchronization, financial transaction timestamping, and scientific data acquisition requiring nanosecond-level accuracy.
- Marine and Maritime Navigation: Multi-constellation support and rapid update rates provide reliable positioning for autonomous surface vehicles, oceanographic research vessels, and maritime surveying equipment operating in challenging coastal and offshore environments.
How to Use
Begin by connecting the Adafruit 5186 GPS module to your microcontroller platform using the UART serial interface. Connect the module's TX pin to your microcontroller's RX pin, RX pin to the microcontroller's TX pin, GND to ground, and VCC to a 3.3V to 5V power supply. The module draws approximately 25-30 mA during satellite acquisition, so ensure your power supply can provide adequate current. Install the Adafruit GPS library for Arduino from the Library Manager, which provides pre-configured functions for parsing NMEA sentences and extracting position, velocity, and timing data. Initialize serial communication at 9600 baud (the default rate) and begin reading NMEA strings containing position data in the format GGA (Global Positioning System Fix Data), RMC (Recommended Minimum Navigation Information), and VTG (Track and Ground Speed).
For optimal performance, mount the module with the antenna facing skyward in an unobstructed location, maintaining at least 30 degrees clearance from overhead obstacles. The first acquisition (cold start) typically requires 35-60 seconds depending on AGPS availability; subsequent fixes (warm/hot starts) complete within 1-5 seconds. Configure the update rate using MTK proprietary commands if your application requires rates other than the default 1 Hz; the module supports up to 10 Hz updates by sending the appropriate PMTK command sequence. Monitor the RMC sentence for the active/void field to determine fix validity, and implement timeout logic to handle periods when satellite signal is temporarily lost. For applications requiring maximum accuracy, enable NMEA sentence filtering to receive only GGA and RMC sentences, reducing serial bandwidth consumption and improving parsing efficiency.
Frequently Asked Questions
What is the difference between 66-channel GPS and standard 12-channel GPS modules?
A 66-channel receiver can simultaneously track 66 satellite signals across multiple constellations (GPS, GLONASS, Galileo, BeiDou), compared to 12-channel modules that track only 12 signals typically from GPS alone. This architectural difference provides dramatically faster acquisition times (cold start under 35 seconds versus 45-60 seconds), superior accuracy in urban canyon environments where signal obstruction is common, and more reliable fixes in challenging conditions. The additional channels enable continuous tracking of satellites entering and leaving the receiver's view, eliminating the need to reacquire satellites and reducing latency during dynamic motion.
Why does the 10 Hz update rate matter for my application?
Standard GPS modules provide one position fix per second, creating a 1000-millisecond latency between actual vehicle movement and position update. The 10 Hz update rate reduces this latency to 100 milliseconds, critical for applications where rapid response is essential. For autonomous vehicles traveling at 100 km/h, a 1-second latency represents 27.8 meters of untracked movement; 10 Hz updates reduce this to 2.78 meters. For drone stabilization, the faster update rate enables responsive altitude hold and position hold algorithms. For robotics applications, 10 Hz updates improve SLAM algorithm convergence and reduce drift in dead reckoning calculations.
Can I use this module with 5V microcontrollers directly?
Yes, the Adafruit 5186 includes an onboard voltage regulator that accepts input from 3.3V to 5V, so you can power it directly from 5V supplies. However, the module's UART output operates at 3.3V TTL logic levels. Most modern 5V microcontrollers (Arduino Uno, Mega) have 5V-tolerant input pins
Buy Adafruit 5186 Ultimate GPS Module PA1616D - 66 channel with 10 Hz updates - MTK3333 Chipset Online in India
Purchase the Adafruit 5186 Ultimate GPS Module PA1616D - 66 channel with 10 Hz updates - MTK3333 Chipset online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.