Expansion module with GNSS receiver dedicated to Raspberry Pi minicomputers. It provides simultaneous reception of two satellite systems: GPS and GLONASS. The module also has support for supporting systems such as SBAS and A-GNSS (Assisted GNSS).
The receiver features a high sensitivity of -161dBm. It features a high dynamic range radio circuit with analog and digital noise reduction. It uses a 56-channel u-blox 7 engine that supports GPS/QZSS L1C/A, GLONASS L1 FDMA, SBAS (WAAS, EGNOS, MSAS) frequency bands. It allows positioning with an accuracy of 2.5m for GPS and 4m for GLONASS. It also allows measurement of movement speed and direction.

| 1. MAX-7Q | 7. GPIO 40-pin |
| 2. Voltage translator 3,3V/5V | 8. UART, I2C |
| 3. Regulator 3,3 V | 9. USB |
| 4. USB-UART CP1220 | 10. Antenna connector |
| 5. LED Indicators | 11. UART jumper |
| 6. ML1220 socket |
The module has a Raspberry Pi 40-pin GPIO connector, and a UART and I2C interface that is derived, allowing connection to boards such as Arduino and STM32. It communicates at speeds from 4800 to 921600bps (9600bps by default) and has support for DDC (I2C-compatible) with a maximum frequency of 400KHz. On the bottom of the board is an ML1220 battery slot for faster measurement startup after power loss. The module is configured using the U-Center application. Full documentation and configuration examples are available on the product page.
Manufacturer BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
Responsible person BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
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