https://mtcradio.com/products/u18278-used-flexradio-flex-6300-hf-50mhz-sdr-base-transceiver-w-atu
U18278 Used FlexRadio Flex-6300 HF/50MHz SDR Base Transceiver w/ ATU
U18278 Used FlexRadio Flex-6300 HF/50MHz SDR Base Transceiver w/ ATU This SDR radio is in excellent shape. The text on the front panel is all intact and bright...
usedflexradiohfsdrbase
https://rigreference.com/rigs/4489-flexradio-flex-1500
FlexRadio FLEX-1500, Headless HF/VHF Transceiver | RigReference.com
RX-range: 0.01-60 MHz, TX-range: 0.01-60 MHz, Headless model, Manufactured between 2009 and 20xx
flexradioheadlesshftransceiver