<!--* FMM640 can connect to Blue-tooth handsfree adapter for two way communication and also, you can connect device to ‘bluetooth terminal’ app in your android smart phone to get terminal log via Blue-tooth. | <!--* FMM640 can connect to Blue-tooth handsfree adapter for two way communication and also, you can connect device to ‘bluetooth terminal’ app in your android smart phone to get terminal log via Blue-tooth. |