Can you give us the PID:VID, you can find it if you insert the Dongle in your Windows Computer, and check the details of the Dongle. Once we know it we can answer you,

These are the PID:VID supported on the v20,

http://www.ourdreambox.com/ubbthreads.php?ubb=showflat&Number=10335#Post10335

On internet with google I found this, but it could be different, please check and let us know.

Code:
Bus 001 Device 005: ID 0bda:8179 Realtek Semiconductor Corp.
= TL-WN725N uses a Realtek chipset

The ones I see supported on our drivers are, these

8170/8176/8177/8178/817A/817B/817C/817D/817E/817F

but no 8179.

TS
_________________________
DM8000, DM800se, DM500HD, DM800HD, DM7025, DM7020s, DM7000, DM500s
VU+ Solo, VU+ Uno, VU+ Duo, Kathrein UFS910
Tivusat, TNTSat, Fransat, SSR/TSR, BBC1-2-3/ITV
DE-OpenBlackHole 1.4 image : http://www.openblackhole.com/