Davis 8218 Installation Manual

Davis 8218 GPS Module manual cover
Pages 16
Year 0
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Davis 8218 GPS Module Specification

The Davis 8218 GPS Module is an advanced GPS solution designed for precise positioning and navigation applications. It features a compact form factor, making it ideal for integration into various systems requiring reliable GPS data. The module operates on a 1575.42 MHz frequency, utilizing the L1 band and C/A code for accurate global positioning. It offers a sensitivity of -165 dBm, ensuring robust performance even in challenging environments.

The module supports a standard NMEA 0183 protocol, providing compatibility with a wide range of devices and systems. It delivers a high update rate of up to 10 Hz, which is crucial for applications requiring real-time data processing. With a cold start time of approximately 30 seconds and a hot start time of less than 1 second, the Davis 8218 ensures rapid acquisition of satellite signals.

Power efficiency is a key feature, with the module operating at a voltage range of 3.0 to 3.6 V and consuming minimal power, making it suitable for battery-powered applications. The Davis 8218 is equipped with advanced filtering and multi-path rejection technology, enhancing its accuracy and reliability in urban and densely constructed areas. The module also supports SBAS (WAAS, EGNOS, MSAS) for improved precision.

Designed for durability, the Davis 8218 GPS Module can operate in a temperature range of -40°C to +85°C, ensuring consistent performance in diverse environmental conditions. Its compact size and robust design make it ideal for use in automotive, maritime, and portable applications where space and reliability are paramount. Overall, the Davis 8218 GPS Module is a versatile and efficient solution for precise navigation and tracking needs.

Davis 8218 GPS Module F.A.Q.

How do I properly power on the Davis 8218 GPS Module?

To power on the Davis 8218 GPS Module, ensure it is connected to a 3.3V power supply. Verify all connections are secure before powering the module.

What should I do if the GPS module is not acquiring a signal?

Ensure the module has a clear view of the sky and is not obstructed by buildings or other objects. Check the antenna connection and try resetting the module.

How can I interface the Davis 8218 GPS Module with a microcontroller?

The module can be interfaced with a microcontroller using UART communication. Connect the TX pin of the module to the RX pin of the microcontroller and vice versa.

What is the recommended maintenance routine for the GPS module?

Regularly check and clean the antenna connections. Update the firmware periodically if updates are available. Ensure that the module is stored in a dry environment when not in use.

How can I update the firmware of the Davis 8218 GPS Module?

Download the latest firmware from the manufacturer's website and follow the provided instructions to upload it to the module using the appropriate interface.

What troubleshooting steps can I take if the module is unresponsive?

Check all power and data connections. Ensure that the power supply is delivering the correct voltage. Try resetting the module and ensure the firmware is up to date.

Can the Davis 8218 GPS Module be used indoors?

While the module can function indoors, signal acquisition may be limited or delayed. It performs best with a clear view of the sky.

How do I reset the Davis 8218 GPS Module?

To reset the module, disconnect it from the power source, wait for a few seconds, and then reconnect it. Ensure all connections are secure upon reconnection.

What type of antenna is recommended for optimal performance?

A high-gain active GPS antenna is recommended for optimal performance, especially in areas with weak signals.

How do I verify the GPS data output from the module?

Connect the module to a terminal application via UART. Monitor the NMEA sentences output to verify the GPS data.