40KHz~150KHz appears on the screen but Below 150KHz is out-of-warranty and not intended for practical use. DX-R8T (USA/Canadian): 150KHz - 29.99999MHz. DX-R8E (Worldwide): 150KHz - 34.99999MHz. `35MHz (T-model up to 30MHz) in AM/USB/LSB/CW/FM and IQ modes.
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