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ALT1250: LTE-M & NB-IoT with 2G Fallback

Ultra-Low Power, Ultra Small, Highly Secure and Highly Integrated Cellular IoT Modem

ALT1250

The ALT1250 is a highly integrated dual mode LTE-M/NB-IoT modem with 2G fallback, engineered specifically for cellular IoT applications that prioritize battery life and small form factors. This advanced modem features an integrated SIM (iSIM), MCU, and rich application layer, enabling miniature module sizes as small as 100mm². It is 5G ready and offers optional satellite connectivity (NTN), ensuring it can evolve alongside your IoT service and cellular network.

With built-in security features, the ALT1250 delivers reliable and secure connectivity throughout your device’s lifetime. Designed with device makers and users in mind, it is ideal for a variety of applications, including smart meters, wearables, asset tracking, vehicle telematics, and smart cities.

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Ultra-Low Power Consumption

The ALT1250 sets a new standard in ultra-low power consumption, significantly extending battery life and reducing maintenance costs. With its advanced power management capabilities, the ALT1250 enables IoT devices to operate for extended periods — from weeks for smart wearables to over a decade for smart meters. By eliminating frequent battery replacements, the ALT1250 supports a more sustainable and efficient IoT ecosystem.

Smallest Form Factor

The ALT1250 is ideal for space-constrained applications. Its high level of integration and minimal required external components enables module sizes as small as 100mm², making it perfect for the smallest cellular IoT modules on the market.

With support for dual-mode LTE-M/NB-IoT, GNSS and cellular-based positioning, an integrated MCU, and an iSIM, the ALT1250 delivers full capability without compromising on size.

Robust Security

Security is at the core of the ALT1250. With a hardware-based secure element and an integrated SIM (iSIM), the ALT1250 provides a robust foundation for protecting your IoT devices and data. The iSIM meets the stringent security requirements set by tier-1 mobile network operators, ensuring your devices remain secure throughout their lifecycle.

Seamless Integration

The ALT1250 incorporates all the essential components needed for rapid development and deployment of cellular IoT applications. Its integrated application MCU, running on a separate power domain, allows for easy customization and development of user applications. The ALT1250 also offers a comprehensive set of interfaces and protocols, making integration with your existing ecosystem straightforward.

Tech Highlights

LTE Radio Technology Support

  • CAT-M1 R13 with DL/UL speeds of 300/375 Kbps
  • CAT-M1 R14 with DL/UL speeds of 588/1119 Kbps*
  • CAT-NB1 R13 with DL/UL speeds of 27/65 Kbps
  • CAT-NB2 R14 with DL/UL speeds of 127/158 Kbps*

Highly Integrated SoC

  • 6th generation Software Defined Radio architecture featuring maximum flexibility at extremely low power
  • Integrated in-chip: LTE CAT-M1/NB1/NB2 modem with 2G fallback, GNSS, radio transceiver, PLL supporting TCXO inputs, PMU with voltage regulators and RTC
  • Integrated ARM Cortex M4 MCU subsystem for customer-developed applications
  • Carrier grade integrated SIM (iSIM)
  • Secure boot architecture and a robust hardware-based security framework
  • Integrated voice processing for VoLTE and Voice Over-the-Top applications
  • WLCSP packaging for low-cost devices

Location Services

  • Assisted GPS and GLONASS navigation
  • Cellular-based location

OneSKU™

  • Single hardware design supports multiple bands
  • HD-FDD: 1, 2, 3, 4, 5, 8, 12, 13, 14, 18, 19, 20, 25, 26, 27, 28, 66, 71, 85, 255
  • HD-TDD: 33, 34, 35, 36, 37, 39
  • Support for 410–467.5 MHz bands 31, 72, 73, 87, 88
  • NTN: n255, n256

Interfaces

  • UART, SPI, FS USB2.0, USIM or eUICC, I2S/PCM audio, GPIOs, I2C, Auxiliary ADC and PWM