PLUG-n-PLAY - Get connected once it is powered on, as the device has digital SIM inside and pre-loaded data plan 4G LTE Cat4 ROUTER - Max 150Mbps bandwidth, suitable for security cameras, RVs, computers, etc. RS485 & MQTT - RS485 & MQTT integration for IoT sensors, solar charge controllers, IoT controllers, etc. HIGH RELIABILITY - Highly reliable connectivity, automatically switch to the most optimal network. GLOBAL COVERAGE - Works in most countries, flexibily pick local data plans without roaming charge. PAY as YOU GO - no monthly contract is required. APPLICATION - Designed for massive IoT deployment, with dashboard of device status and data usage. PRE-LOADED 5GB 365 DAYS DATA PLAN - Automatic activation once it is powered on, valid for 365 days with total data usage of 5GB. It is suitable for IoT sensors connectivity. Noted: The default network coverage is the United States (AT&T / T-Mobile network), optional coverage for Canada, Mexico, Japan, Europe or Australia. You can renew data plan or add-on data usage at cost of $29 per 5GB 365 Days. LINOVISION Industrial Global 4G LTE Cellular Router with Pre-Loaded Data Plan - 5GB 365 Days, Virtual SIM Router Supports Plug-n-Play, RS232/RS485, MQTT, Global Coverage and Pay as You Go