Using the USB port on the back of the 6000 series radios – FlexRadio

The USB ports on the back of the radio are used to control external RS232 devices and non RS232 devices.

FLEX-6400 Signature Series SDR Transceiver – FlexRadio

Flexradio Flex-3000 Software Defined Radio Installation Guide

Flex 6000 - What is the USB port for on the back of the radio : FlexRadioSystems : Free Download, Borrow, and Streaming : Internet Archive

USB to Parallel adapter for the FLEX-6000 series – FlexRadio

Ham Radio Company Wins Big

USB Foot Switch fits FLEX SDR RADIO 6000 Series - 6300 6400 6500 6600 6700 6ft

Flex 6000 - What is the USB port for on the back of the radio

Flex-6700 With Varying Frequency - Amateur Radio Ponderings

FlexRadio Enthusiasts, In 2022 I plan to upgrade my 6600 station with a decent digital wattmeter

W6CAW Flex Radio Page

USB headset microphone for smartsdr FOR Flexradio FL6300 FL-6400 FL-6500 FL-6600

FlexRadio Enthusiasts

FlexRadio Heatsink Upgrade & Inside Tour » W6AER- Pacifica, CA

Flex Radio Systems – Flex 6500

FLEX-6000 Series – FlexRadio