I will send you an email from my toysofts@gmail.com, so we keep in touch and be sure we don't compete ;o).

The PSU for the DM52x is the same as on your DM800HDse... so in that case better to keep your DM800HDse, as the remote and the PSU are compatible with the DM52x. You can also get the PSU on Aliexpress, I will give you the details, it's very cheap, 2-3 USD.

A guy got my R account cancelled, because I bought with pickup and wanted him to ship, and he was really hell... so I had to get a new R.

TS
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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/