Single Radio Interfaces

are interfaces between transceiver, operator and computer. Interface enables transceiver computer control (CAT), digital modes operation, simplifies contest operation, sequences keying and automates operating modes switching between CW, voice, and digital.

Each interface has its own set of features, please refer to the table below for basic functionality overview and check each interface individually for details. Or simply ask if something is not clear.

Single and dual radio USB Interfaces comparison table

ProductMK2R+u2RMK IIIDXPDK IICKUSB IIUSB III
Two Radio OperationYesYesNoNoNoNoNoNo
i-LINK Support YesNoYesNoNoNoNoNo
Built-in USB Soundcard16-bitNo24-bit24-bit16-bitNoNo16-bit
Integrated WinKeyYesYesYesYesYesYesNoNo
CW MemoriesYesYesYesYesYesYesNoNo
FSK MemoriesYesYesYesNoYesNoNoNo
PS/2 Keypad SupportYesYesYesUSBYesYesNoNo
FSK SupportYesYesYesYesYesNoYes*Yes*
Dual Receive SupportYesYesYesYesYesn/aNoNo
Voice Keyer SupportYesYesYesNoNon/aNoNo
Microphone Switching YesYesYesNoNon/aNoNo
PA/LNA Switching YesNoYesPAYesNoNoNo
Auxiliary CI-V OutputYesNoYesNoYesNoNoNo
Native UltraBeam controlYesNoYesNoNoNoNoNo
P-FSK/Q-CW NoYesYesYesYesNoNoYes


* with MMTTY/EXTFSK and WRITELOG Software Generated FSK