As Colin wrote above:
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The DM-1701 DMR Radio does NOT use a serial cable, for programming.
So forget CHIRP, and any cable with a USB-->serial chip inside.
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Instead the Baofeng DM-1701 cable has direct connections to the STM/TYT CPU's USB pins, aka. straight through wires w. no electronics in the cable.
And the Baofeng upload uses a protocol called DFU, that is mask programmed into the MCU.
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The best driver for Win10 is the STM Dfuse driver, and the 3.0.6 is used by the "Opengd77" people.
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Stan Dye made an excellent guide in howto install the STM DFU driver in the nanovna forum, that guide is valid for the DM-1701 too as the "Connection & MCU type is the same"
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opendg77 can be found here
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If you want to try some other firmware, besides the Baofeng "Factory firmware" ...
There are some differences, so make sure you investigate if opengd77 would satisfy your needs.
Ie. opengd77 will never support encryption, and you can't send "sms like" messages.
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Ps:
If you ever get a TYT-MDUV380 or a Retevis Radio ... Do note that the Baofeng cable will not work on a? TYT/Retevis and vice versa, as Baofeng decided to swap the USB datapins in their plug.
So even if the cables look 100% alike they will not work on "the other model" ...
Well ... Unless you swap the usb datapins in the usb plug.
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Carsten F (OZ1FTG)