Primetech (UK) Ltd manufacture waterproof, off grid WiFi drop boxes. Self powered by rechargable 20,000mA battery packs with built in antennas that are easy to use, robust, resilient and portable. They are designed to contain most single and dual sim 5v powered Peplink devices. With a running time of over 8 hours on the batteries that can be charged from an additional external supply, they are ideal for rapid deployment situations with limited input from the user. Waterproof Power input and LAN connectors allow the unit to be used in even the most challenging environments. Like all Peplink GPS enabled devices the box can be tracked as long as there is power left in the batteries. https://primetechoffgrid.co.uk/collections/unbreakable-connectivity/products/rapid-5g