Wilson Wireless Cell Adapter Works with All Cell Phones And Laptop Data Cards Significantly Improves Voice And Data Signal Quality Receives And Transmits Better Than Your Cell Phone O Extends Cell Phone Battery Life Works With All Cell Phones And Laptop Data Cards Significantly Improves Voice And Data Signal Quality Receives And Transmits Better Than Your Cell Phone O Extends Cell Phone Battery Life O Works With All Generations Of Cdma, Tdma, Gsm And High-Speed Data Technologies