The FT-400XDR/DE supports 3 Digital and 1 Analog Mode.
The V/D mode transmits voice and data at the same time slot. In this time slot in addition to the voice data, the GPS data, the ID data is sent together. These data includes the call data for error correction and stabilize the Voice transmission. The V/D Mode is the basic mode in C4FM FDMA digital amateur radio.
The Data FR Mode is for full rate Data Transmission. The transfer of large amounts of data such as text messages, pictures and voice notes is in this mode done at twice the speed compared to the V/D mode.
The Voice FR Mode use the full rate for Voice Transmission in high quality.
Key Features/Specifications: