Icom M510 VHF Radio: Note - this is *Not* a bundle... it's just the radio & microphone Model: M510 11 USA MMSI reset dongle Hand microphone with AquaQuake Front and back microphone connection ports Optional voice scrambler External speaker connection Supports 4-digit channels Option to connect external GPS Icom's new Class D DSC fixed mount VHF marine transceiver, the M510 is a tech-laden powerhouse. The M510 is nearly half the depth of the M506, allowing installation in more confined spaces. The large color display has a simple user interface allowing casual and serious boaters alike with plenty of options to communicate. Additionally, command and control using iOS and Android smart devices with class leading features such as wireless calling. The M510 includes a full color 3.5" TFT LCD screen with a near 180-degree viewing angles. The standard marine user interface is enhanced with animated functions and night mode for optimal viewing in the dark. The RS-M500 app allows you to connect three iOS or Android smart devices to function as a wireless command speaker/microphone. Use the push-to-talk features, scroll/scan channels, as well as use the M510's intercom function from the comfort of the captain's seat. Additionally, one COMMANDMIC can connect while 3 other smart devices are linked. Connect to NMEA 2000 with the optional CT-M500 wireless interface box. If the NMEA connection is on a different part of the boat, the CT-M500 can wirelessly connect with the M510, providing flexibility on placement. Additionally, with the optional SP-37 horn speaker, the CT-M500 can access the two-way hailer/PA functions.