GSM / CDMA CAR PHONE Production No.:.:H6100 --GSM900 / 1800MHZ dual frequency --Built-in industrial module --99 groups name address can be stored --display the last missing received and dial out phone numbers --languages: Chinese and English optional --support sending and reveiving short messages --externalantenna for your quality conversation --automatically mute the car radio when an incoming and ourgoing call --handsfree and handset phone conversation optional for your sate driving --128 X 64 DOT-matrix LCD