Multiple Bands - The 4G LTE industrial router can be used for global with multiple bands supported LTE FDD: B1/B2/B3/B4/B5/B7/B8/B12/B13/B18/B19/B20/B25/B26/B28, LTE TDD: B38/B39/B40/B41, WCDMA: B1/B2/B4/B5/B6/B8/B19, GSM: B2/B3/B5/B8. For specific countries or regions, it'll be better to use the exclusive router. Industrial Grade - The 4G LTE modem router adopts high performance 32-bit communication processor and industrial IoT/M2M-optimized LTE Cat 4 module as well as deeply customized OpenWRT system. Featured with protection level up to IP30 metal enclosure, system safety isolation, DC 7~36V wide voltage input, operation temperature(-40+75), it's ideal for industrial control field application. Stable & Reliable - The 4G LTE wireless router is equipped with hardware and software watchdog which ensures the stability of system; Complete anti-drop mechanism to ensure that the data terminal is always online; Multiple protection like anti-power reverse connection, anti-surge.