Avoid network outages with primary or backup LTE connectivity; integrate seamlessly with existing infrastructure

EX12 LTE Cellular Extender

Digi EX12 LTE cellular extender is an affordable, scalable failover solution that enables you to retrofit your infrastructure for cellular network access. With a carrier-certified, embedded LTE Cat 4 cellular modem, equipped with dual SIM slots, Digi EX12 provides uninterrupted primary or backup connectivity. It protects against downtime by automatically switching to a secondary cellular carrier should the primary SIM lose Internet access. This compact, high-performance device is also compatible with any dual-WAN networking appliance and helps you achieve reliable connectivity at any location using your existing equipment.

Couple the Digi EX12 with a dedicated wireline ISP connection to maximize uptime and ensure reliable network availability for POS systems, ATMs, mobile kiosks, digital signage and more. Deployments are streamlined with installation accessories including an optional Remote Mounting Kit with a disposable battery pack for site survey, mounting bracket and a passive PoE injector for optimizing placement for the best cellular reception.


  • Redundant cellular connectivity with dual SIMs and Digi SureLink®
  • Digi TrustFence® for built-in device security and data privacy
  • Optional Remote Mounting Kit with bracket, accessories, passive PoE injector and site survey battery pack to identify the best location for optimum cellular reception
  • Automatic cellular carrier detection and switching with Carrier Smart Select™
  • Digi Remote Manager® software for easy setup, mass configuration and management