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7Semi LG290P Modem with ESP32-S3 Wi-Fi + Bluetooth 5 (LE)
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The 7Semi LG290P RTK ESP32-S3 Development Module is a high-precision GNSS development board that combines the Quectel LG290P quad-band GNSS module with the ESP32-S3 dual-core microcontroller. Designed for positioning applications requiring reliable location data, the board integrates 2.4 GHz Wi-Fi and Bluetooth 5 Low Energy connectivity, enabling wireless communication alongside centimetre-level RTK positioning. It supports simultaneous reception of GPS, GLONASS, Galileo, BDS, QZSS, and NavIC constellations across L1, L2, L5, and E6 frequency bands.
The development board features a USB Type-C interface for power supply and USB-to-UART communication, making programming and debugging straightforward. It also includes UART interfaces, exposed GPIO pins, Reset and Boot buttons, and three onboard LED indicators that display power, GNSS, and RTK status. A 2-pin JST connector is provided for connecting an RTC backup battery, helping reduce Time to First Fix (TTFF) during repeated startups.
Supporting GNSS update rates of up to 20 Hz in RTK mode, the module delivers centimetre-level positioning accuracy for applications requiring fast and precise location updates. It also supports SBAS augmentation systems including WAAS, EGNOS, BDSBAS, MSAS, GAGAN, and SDCM, along with PPP-B2b and PPP-HAS services for enhanced positioning performance. The built-in NIC narrow-band anti-jamming unit improves signal reliability in challenging operating environments.
The 7Semi LG290P RTK ESP32-S3 Development Module is compatible with Raspberry Pi, Raspberry Pi Pico, Jetson Orin, ESP32, and Arduino platforms, making it suitable for rapid prototyping and embedded system development. It is well suited for precision agriculture, land surveying, robotics, autonomous vehicles, UAV ground-control stations, asset tracking, fleet management, construction monitoring, and research projects requiring high-accuracy GNSS positioning.
• The 7Semi LG290P RTK ESP32-S3 Development Module combines the Quectel LG290P GNSS module with an ESP32-S3 dual-core microcontroller.
• It supports simultaneous reception of GPS, GLONASS, Galileo, BDS, QZSS, and NavIC satellite constellations.
• Quad-band GNSS operation supports L1, L2, L5, and E6 frequency bands for high-precision positioning.
• The module provides centimetre-level RTK positioning accuracy for precision navigation applications.
• GNSS update rates of up to 20 Hz in RTK mode support dynamic positioning and real-time tracking.
• Integrated 2.4 GHz Wi-Fi supports IEEE 802.11 b/g/n wireless connectivity.
• Bluetooth 5 Low Energy supports Coded PHY and 2 Mbps PHY communication modes.
• A USB Type-C interface provides module power supply and USB-to-UART communication for development and debugging.
• A 2-pin JST connector supports connection of an RTC backup battery to reduce Time to First Fix during repeated startups.
• Built-in NIC narrow-band anti-jamming technology helps improve signal stability in demanding environments.
• The board supports SBAS services including WAAS, EGNOS, BDSBAS, MSAS, GAGAN, and SDCM, along with PPP-B2b and PPP-HAS positioning services.
• Three onboard LED indicators display Power, GNSS, and RTK operating status.
• Reset and Boot buttons provide convenient hardware control during development.
• The module is compatible with Raspberry Pi, Raspberry Pi Pico, Jetson Orin, ESP32, and Arduino development platforms.
| Brand | 7Semi |
| Product Type | GNSS RTK Development Module |
| Microcontroller | ESP32-S3 Dual-Core |
| GNSS Module | Quectel LG290P |
| Supply Voltage | 5 V via USB Type-C |
| Operational Temperature | -40°C to +70°C |
| SRAM | 8 KB |
| Flash | 8 KB |
| Supported GNSS Constellations | GPS, GLONASS, Galileo, BDS, QZSS, NavIC |
| Supported GNSS Bands | L1, L2, L5, E6 |
| GNSS Update Rate | Up to 20 Hz (RTK mode) |
| RTK Accuracy | Centimetre-level |
| Wi-Fi Standard | 802.11 b/g/n, 2.4 GHz, 40 MHz bandwidth |
| Bluetooth Version | Bluetooth 5 LE (Coded PHY, 2 Mbps PHY) |
| UART Interfaces | Yes |
| USB Interface | USB Type-C (USB-to-UART, Power Supply) |
| RTC Backup Connector | 2-pin JST |
| LED Indicators | 3 (Power, GNSS, RTK Status) |
| Controls | Reset Button, Boot Button |
| SBAS Support | WAAS, EGNOS, BDSBAS, MSAS, GAGAN, SDCM |
| PPP Services | PPP-B2b, PPP-HAS |
| Anti-Jamming | Built-in NIC Narrow-Band Anti-Jamming Unit |
| Platform Compatibility | Raspberry Pi, Raspberry Pi Pico, Jetson Orin, ESP32, Arduino |
This product comes with a 6-month manufacturer warranty from the date of purchase, covering manufacturing defects only.
The product shows signs of physical damage, mishandling, exposure to water/moisture, fire, natural calamities, unauthorized repairs, improper storage near heat or direct sunlight, or alteration in any way.
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