Edimax Technology 802.11n/MIMO Antenna Relocation Stand EA-MARS - Manual (Page 10)

Step 2.
Remove the bottom cover after both fasteners are released by
hands and turn the cover around. Re-assemble the cover by
clicking the cover back to position.
You can see 2 plastic hooks. These hooks could help you
flexible grabs onto the steel frames of your ceiling (see the
diagrams below).
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