The Teltonika TRM250 Industrial Cellular Modem is a rugged, compact and extremely versatile connectivity device that is able to provide cellular capabilities to equipment across IoT and Industrial IoT applications. This futureproof product features both NB-IoT and 4G/LTE Cat-M1 LPWAN communication options and is backwards compatible with 2G. This means that you can upgrade your existing infrastructure with a cost-efficient and reliable connectivity device which will adapt to the changing telecommunications environment and will enable you to use the best cellular M2M technologies for many years to come. Easy to deploy, easy to use and even easier to maintain. The TRM250 comes with a USB interface for power & communication, drivers supporting all relevant platforms and one SMA connector for an external antenna to obtain better signal coverage.