Sony Spresense LTE Extension Board with Global SIM Card

Product ID: 5432


The Spresense LTE Extension Board adds LTE connectivity to the Spresense main board and carries an onboard antenna and a nanoSIM cardholder. It also extends the interfaces of the Spresense main board with multiple mic inputs, a headphone jack, and a microSD card slot. The Spresense main board and the Spresense LTE extension board are connected by a board-to-board connector.

Compliant with LTE-M (LTE Cat-M1) and NB-IoT communication standards. Employs the Sony ALT1250 chipset, ensuring compliance with LTE-M (LTE Cat-M1) and NB-IoT communication standards. This enables developers to create systems and applications with low cost, low power consumption and wide-area coverage. (Compatible with US bands 2, 4, 12, 13; and EU bands 3 and 20)

Comes with a Truphone SIM so you can get started immediately.

Note: This is just the extension board. You'll need the main board as well.

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Technical Details


  • Manufacturer: Sony
  • Digital Input/Output: 3.3V or 5V digital I/O
  • Audio Input/Output: 4 ch analog microphone input or 8 ch digital microphone input, headphone output
  • External Memory Interface: microSD card slot
  • Min. Operating Temperature [°C]: -10ºC
  • Max. Operating Temperature [ºC]: 40ºC
  • Min. Storage Temperature [°C]: -20ºC
  • Max. Storage Temperature: [ºC]: 60ºC
  • Max. Operating Humidity [%]: 80%
  • Max. Storage Humidity [%]: 80%

Truphone Support:

Device Configuration:

  • APN:

Management Platform:

RoHS 2 2011 65 EU Compliant
RoHS 2 2015 863 EU Compliant