the 6100 will be eventually replaced with another rig and will never be a finished nor achieve the commercial success of the G90... xiegu rigs are in constant beta with many unfinished features that never appear as originally promised... witness the x1m, g1m, x108, x5105, GSOC, a small amplifier (rarity, had one, it worked but confusing to use)... now xiegu has introduced a dsp outboard audio filter box, the grn1, which suspiciously looks like a JPS NIR-10