
Raspberry Pi HAT cellular modem based on the u-blox LARA-R2xx, providing LTE Cat 1 connectivity for European bands. Compatible with Raspberry Pi 1B+ through Pi 4. Discontinued; verify availability before use.

| Pin | Position | Type |
|---|---|---|
| 3V3_RPI | Raspberry Pi 40-pin header P1 pin 1 / pin 17 | Power |
| 5V_RPI | Raspberry Pi 40-pin header P1 pin 2 / pin 4 | Power |
| GND | Raspberry Pi 40-pin header P1 pins 6, 9, 14, 20, 25, 30, 34, 39 | Ground |
| SDA_RPI | Raspberry Pi 40-pin header P1 pin 3, BCM GPIO02 / SDA1 | Signal |
| SCL_RPI | Raspberry Pi 40-pin header P1 pin 5, BCM GPIO03 / SCL1 | Signal |
| TX_RPI | Raspberry Pi 40-pin header P1 pin 8, BCM GPIO14 / TXD0 | Signal |
| RX_RPI | Raspberry Pi 40-pin header P1 pin 10, BCM GPIO15 / RXD0 | Signal |
| RTS_RPI | Raspberry Pi 40-pin header P1 pin 11, BCM GPIO17 | Control |
| CTS_RPI | Raspberry Pi 40-pin header P1 pin 36, BCM GPIO16 | Control |
| LARA_PWR | Raspberry Pi 40-pin header P1 pin 29, BCM GPIO05 | Control |
| LARA_RST | Raspberry Pi 40-pin header P1 pin 31, BCM GPIO06 | Control |
| Grove I2CDigital ports | two Grove connectors | Unknown |
| USB interface | USB connector | Unknown |
| Battery JST | JST 2.0 battery connector | Power |
| MAIN antenna | main antenna connector | Unknown |
| DIV antenna | diversity antenna connector | Unknown |
UART · USB · Breakout
Confirm the data interface matches your host board.
Module pins: 3V3_RPI, 5V_RPI, Battery JST, GND, SDA_RPI, SCL_RPI, TX_RPI, RX_RPI. Schematik maps them to your board in the app.
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