1、COMPATIBILITY: Compatible with for FT DX5000MP, FT DX3000D, FT DX 1200, FT 991, FT 891 and FT DX10. Connect this remote control keypad to your radio for auto call and digital frequency input. 2、VOICE MEMORY: Features 5 memory channels (numbers 1‑5) buttons. In the case of voice memory, each channel can store up to 20 seconds of sound. Message memory and text memory can be used for race memory buttons. Each message memory channel can hold a 50 character CW message. Each text memory channel can hold up to 50 characters. 3、CURSOR BUTTONS: The cursor can be moved in two different directions (right, left). Typically, these buttons are used to adjust the VFO frequency. Pressing the button changes the frequency in the same increments as the Mic Up DWN switch. Pressing the buttons changes the frequency in 100kHz steps. 4、P, B BUTTON, MEM BUTTON: When entering continuous text, you can insert a space and the cursor will blink. Press the MEM button to store a voice memory or race key memory. 5、DEC BUTTON: When using the consecutive race numbering feature of the race key, press this button to decrease the current race number by one digit (from 198 to 197, etc.). Item Type: Remote Control Keyboard Radio Material: ABS Number Of Keys: 12 Keys Interface: 3.5mm Product Size: Approx. 10x6x2cm / 3.9x2.4x0.8in Applicable Model: For FT DX3000, FT DX5000, FT DX1200, FT 991, FT 891, FT DX10 1 x Remote Control Keyboard 1 x 3.5mm Data Cable