M5Stack Cardputer Mesh Kit for Meshtastic LoRa Node with GPS (ESP32-S3)
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M5Stack Cardputer Mesh Kit for Meshtastic LoRa Node with GPS (ESP32-S3)
Description
M5Stack Cardputer Mesh Kit for Meshtastic (M5-K152) is a ready-to-use Meshtastic handheld built around Cardputer-Adv and the Cap LoRa-1262 expansion module. It combines an ESP32-S3 controller, SX1262 LoRa, GNSS positioning, a built-in keyboard, screen, battery, speaker, microphone, and expansion interfaces in one compact platform, so you can start building or deploying a portable LoRa Meshtastic node much faster.
This kit is especially suitable for users who want a more integrated Meshtastic device instead of building from separate boards. The combination of Cardputer, LoRa, and GPS/GNSS makes it a practical option for off-grid messaging, portable field communication, position-aware Meshtastic nodes, and rapid prototyping for M5Stack and ESP32-S3 projects.
If you want to start with the Meshtastic ecosystem right away, this M5Stack Cardputer Mesh Kit gives you the essential hardware in one package. If you need to reflash or update firmware later, you can also use the Meshtastic Web Flasher.


Features
- Meshtastic-ready handheld kit based on M5Stack Cardputer-Adv and Cap LoRa-1262.
- ESP32-S3FN8 dual-core controller for M5Stack, LoRa, and embedded development.
- SX1262 LoRa radio with 868 to 923 MHz support, up to +22 dBm transmit power, and receive sensitivity down to -147 dBm.
- Integrated GNSS support with GPS / QZSS / BD2 / BD3 / GAL / GLO for position-aware Meshtastic deployments.
- 1.14-inch 240 x 135 display and 56-key keyboard for a true standalone Cardputer experience.
- 1750mAh battery, speaker, microphone, IR emitter, and microSD storage expansion for mobile Meshtastic usage.
- HY2.0-4P and EXT 2.54-14P expansion interfaces for sensors, prototyping, and hardware customization.
- Supports Arduino, UiFlow2, ESP-IDF, and PlatformIO.
Specifications
| Specification | Parameter |
|---|---|
| SoC | ESP32-S3FN8, dual-core Xtensa LX7, up to 240MHz |
| Flash | 8MB |
| External Storage | microSD |
| Display | ST7789V2, 1.14 inch, 240 x 135 |
| Keyboard | 56 keys (4 x 14), 160gf actuation force |
| Expansion Interface | HY2.0-4P + EXT 2.54-14P |
| IR | 1 x infrared emitter |
| Audio Codec | ES8311 |
| Speaker | NS4150B amplifier + 8 ohm / 1W speaker |
| Microphone | MEMS microphone, SNR 65dB |
| IMU | BMI270 |
| Battery Capacity | 1750mAh |
| Operating Temperature | 0 to 40°C |
| Operating Current | DC 4.2V @ 120.2mA |
| LoRa Module | SX1262 |
| LoRa Frequency Range | 868 to 923 MHz |
| LoRa Programmable Bit Rate | Up to 300kbps |
| LoRa Antenna | 108 x 9.3mm, RP-SMA female, 3dBi |
| LoRa Transmit Power | +22dBm |
| LoRa Receive Sensitivity | -147dBm (low data rate mode) |
| LoRa Operating Current | DC 5V @ 163.4mA |
| Supported Modulation | FSK / GFSK / MSK / LoRa / OOK |
| GPS Module | ATGM336H-6N @ AT6668 |
| GPS Communication Interface | UART, default 115200bps @ 8N1 |
| Supported GNSS Systems | GPS / QZSS / BD2 / BD3 / GAL / GLO |
| GPS Channels | 50 channels |
| GPS Positioning Accuracy | < 1.5m (CEP50) |
| GPS Update Rate | Up to 10Hz |
| GPS Time to First Fix | Cold start 23s, hot start 1s |
| Product Size | Cardputer-Adv: 84.0 x 54.0 x 19.6mm Cap LoRa-1262: 84.0 x 24.0 x 15.2mm |
| Product Weight | 77.2g |
| Package Size | 103.0 x 90.0 x 25.0mm |
| Gross Weight | 127.2g |
Applications
- Meshtastic handheld messaging for off-grid communication and portable node deployment.
- LoRa GPS tracker projects where GNSS positioning matters.
- Field operations, outdoor events, camping, hiking, emergency preparedness, and remote coordination.
- M5Stack and ESP32-S3 rapid prototyping for portable communication terminals.
- Learning and experimenting with Meshtastic, LoRa, embedded UI, and mobile hardware interaction.
- Standalone portable projects that benefit from a screen, keyboard, battery, audio, and radio in one compact device.
Product List
- 1 x Cardputer-Adv (Green Back Shell Version)
- 1 x Cap LoRa-1262
- 1 x LoRa Rubber Duck Antenna (RP-SMA Connector)
- 2 x M2 x 4mm cap head machine screw
- 1 x Hex Key L-Shape 1.5mm (for M2 screw)
- 1 x Safety Warning Sticker
Other Content
Assembly: The Cap LoRa-1262 connects to the Cardputer-Adv through the EXT 2.54-14P interface. After attaching the expansion module, tighten the included screws and install the RP-SMA antenna before using LoRa communication.
Charging Note: Switch the power switch to ON before charging.
Download Mode: Set the side power switch to OFF, hold the G0 key, then power on the device. Release the key after boot to enter download mode.
LoRa Antenna Note: Before using Meshtastic or other LoRa applications, make sure the RP-SMA antenna is securely installed. When not in use, removing the antenna can help protect the connector.

Cardputer-Adv EXT 2.54-14P Pin Map
| Left Function | GPIO | Pin | Pin | GPIO / Power | Right Function |
|---|---|---|---|---|---|
| RESET | G3 | 1 | 2 | 5VIN | |
| INT | G4 | 3 | 4 | GND | |
| BUSY | G6 | 5 | 6 | 5VOUT | |
| SCK | G40 | 7 | 8 | G8 | I2C_SDA |
| MOSI | G14 | 9 | 10 | G9 | I2C_SCL |
| MISO | G39 | 11 | 12 | G13 | UART_RX |
| CS | G5 | 13 | 14 | G15 | UART_TX |
This pin map is useful if you want to expand the M5Stack Cardputer beyond standard Meshtastic use and build custom ESP32-S3 or LoRa accessories.
Resources
- M5Stack Cardputer Mesh Kit official documentation
- Cardputer-Adv schematic PDF
- Cap LoRa-1262 schematic PDF
- Cardputer-Adv structure files on GitHub
- M5Cardputer GitHub repository
- Cap LoRa-1262 UiFlow / MicroPython reference
- Meshtastic official website
- Meshtastic firmware flashing guide
- Meshtastic Web Flasher
- OpenELAB Meshtastic page
- OpenELAB article: Meshtastic positioning and location settings
- OpenELAB article: Meshtastic LoRa configuration
- OpenELAB article: What Meshtastic is and what it can do
- OpenELAB article: M5Stack Cardputer overview
FAQ
What makes M5-K152 a good Meshtastic device?
This kit combines ESP32-S3, SX1262 LoRa, GNSS, a display, keyboard, battery, and expansion interfaces in one compact M5Stack Cardputer form factor. That makes it easier to deploy a portable Meshtastic handheld without piecing together separate radio, controller, and UI hardware.
Does this M5Stack Cardputer Mesh Kit support GPS or GNSS?
Yes. The official specification lists the ATGM336H-6N GNSS module and support for GPS / QZSS / BD2 / BD3 / GAL / GLO, which is helpful for location-aware Meshtastic setups.
What is the difference between M5-K152 and the standard M5Stack Cardputer?
The M5Stack Cardputer v1.1 is a compact card computer platform. M5-K152 goes further by adding the Cap LoRa-1262 radio expansion, antenna, and Meshtastic-friendly hardware stack, so it is a much better choice if your priority is LoRa mesh communication.
What is the difference between M5-K152 and Cardputer-Adv by itself?
The Cardputer-Adv gives you the ESP32-S3 handheld platform, but M5-K152 adds the SX1262 LoRa and GNSS hardware needed for a more complete Meshtastic build.
What if I want to compare more Meshtastic hardware before buying?
You can also browse the OpenELAB Meshtastic page for other LoRa and Meshtastic options, or read MeshCore vs Meshtastic if you are still deciding which mesh ecosystem fits your project better.
Certificates and Compliance Documents
Available certification and compliance documents for this product can be reviewed as PDF files below.
- REACH Document
- 2501A91713E Document
- FCC / Declaration of Conformity Document
- FCC Document
- FCC Document
- MIC / IC Document
- 2504A24280E-EM-01 ATC-C02-EMCD Document
- 2504A24280E-EM-01 EN 55032 EN 55035 EN IEC 61000-3-2(A2) EN 61000-3-3 Report Document
- 2504A24280E-EM-02 ETSI EN 301 489-1 3 19 Report Document
- 2504A24280E-RF EN 62479 EN 50663 Assessment Report Document
- 2504A24280E-RF-22A ETSI EN 300 220-2 V3.2.1 Report Document
- 2504A24280E-RF-22B ETSI EN 303 413 V1.2.1 GPS Report Document
- CE Document
- AiTDG-251013004 EUT Document
- AiTDG-251013004E1 EN 301489_EMC Document
- CE / FCC / Declaration of Conformity / IC Document
- FCC / Declaration of Conformity Document
- AiTDG-251013004H1 EN 62479 test report Document
- CE Document
- AiTDG-251013004W4_EN 300 328_BLE Document
- AiTDG-251013004W5_EN 300 328 _2.4g WIFI Document
- AiTDG-251013004W6 BT Test Report Document
- AiTDG-251013004W7 2.4G WIFI Document
- AiTDG-251013004WE WEEE(1)(1) Document
- AOC 2501A91713E-13 Document
- Appendix A Document
- Appendix B Document
- Appendix B Document
- Appendix C Document
- Attachment No.1 2504A01367E-RF EUT External Photos Document
- Attachment No.1 2504A09666E-RF EUT External Photos Document
- Attachment No.2 2504A01367E-RF EUT Internal Photos Document
- Attachment No.2 2504A09666E-RF EUT Internal Photos Document
- Attachment No.3 2504A01367E-RF-00A Test Photos Document
- Attachment No.3 2504A09666E-RF Test Photos Document
- Attachment of 2504A24280E EUT Photographs Document
- CANEC24029302101(GZP24-039254)- NCM- - Document
- CANEC24029302102(GZP24-039254)- NCM- - Document
- CANEC24029302103(GZP24-039254)- NCM- PAHs - Document
- CANEC24029302104(GZP24-039254)- NCM- PAHs - Document
- RoHS Document
- RoHS Document
- REACH Document
- REACH Document
- RoHS Document
- CANEC25004508710(CQP25-002322)-Final-TSCA- 2025.03.17 Document
- UN38.3 Document
- UN38.3 Document
- MSDS Document
- DGCTL202509080022C- -603075-965- - - Document
- DGCTL202509080022D- -603075-965-1.2m Document
- DGCTL202509080022E- -603075-965- Document
- RED Document
- External PHOTO Document
- Internal PHOTO Document
- LGTKJ2509093-DGCTL202509160022A- -603075-IEC 62133-2(2) Document
- CE / MIC / IC Document
- FCC Document
- RED Document
- RED Document
- CE / MIC / IC Document
- P-2501A91714E Document
- PTC25021310501C-CN01+ +CMA CNAS Document
- PTC25021310502C-CN01+ Document
- PTC25021310503C-CN01+ Document
- SKM_C226i25091916100_0003 Document
- Test setup photo Document
- Test Setup Document
- -3.ED.007.0118--603075 Document
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