Uniden UM725 Fixed Mount Marine VHF Radio w/GPS - Black [UM725GBK]UM725 Fixed Mount Marine VHF Radio with GPS Black Full Featured VHF Marine Radio with GPS Receiver Built in. Private Text Messaging Send messages over Marine Channels to other capable radios. Uniden is the first to offer text messaging using marine VHF radio. You and your crew will enjoy the privacy of texting boat to boat, rather than broadcasting over your radio for all the boats in your area to hear. The UM725G marine radio comes packed with the