A top quality antenna that will reduce your exposure to harmful electromagnetic radiations if used properly with your Franklin Wireless CMU-300 (instructions included), while increasing your Franklin Wireless CMU-300 performance and decreasing dropped sessions. This antenna employs powerful 3MTM adhesive if permanent installation is desired, and includes the direct-connection adapter for the Franklin Wireless CMU-300 . It comes with about eight feet of cable. Antenna can be attached to the back of the laptop display, on a car or home window, etc. The adapter is easily replaceable so that if you change your device you can simply buy the new connection.