Check that the following was shipped in the box. You will not need every part for the steps in this guide, but verify now that all parts are present:
[1] Cradlepoint W1855 Series 5G Wideband Adapter
[4] Cellular antennas
[1] Device backplate and wall/pole mount assembly (two connected pieces)
[2] Pole mount clamps
[2] Cable glands
[1] PoE injector and PoE injector power cable
[2] Ethernet port dust covers
[1] Small Accessories Kit:
[4] Bracket-to-device screws
[4] Bracket-to-wall screws (pointed screws)
[4] Wall anchors
[1] Grounding lug
[1] Safety, Regulatory, and Warranty Guide
[1] Quick Start reference sheet