You can take any of them, but remember that :

- Security file to upload is different, not same for v2.0 chip or v3.x chip.

- The image loaded must be also compatible, probably best is to preload a V2/V2a only so it works with v2.0 and v3.x security chips.

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/