BAD BOY Xtreme MJ is a high power Wi-Fi solution with up to 7 mile (~11km) range*. Output power up to 4W (36dBm) EIRP (Effective Isotropic Radiated Power) - the highest power legally allowed - for rock solid, high speed connections. Input power is 10-30 Volts DC. No power robbing USB connections. Xtreme MJ is a waterproof, unobtrusive, small and compact wi-fi transceiver that can be mounted on a rail, arch or at masthead. Features a user friendly web-based interface developed by Bitstorm so there's never any software to install. Easy to set-up and install. Xtreme MJ is powered by the same cable that transfers the data which means there is only a single cable. Xtreme MJ includes a custom developed matched and tuned antenna for maximum possible range and reception. It's no wonder these BAD BOY's have gotten a reputation!