Check the printed REV number on the backside of the packing box containing the Base Unit and compare it with the REV numbers mentioned in table below.
| Base Unit | REV number |
|---|---|
| CX-50 Gen1 | 13 and higher |
| CX-30 Gen1 | 12 and higher |
| CX-20 Gen1 | 12 and higher |
| C-10 Gen1 | 04 and higher |
| C-5 Gen1 | 04 and higher |
All Gen2 variants are pre-installed with a firmware version higher than 2.10.
To identify your ClickShare Base Unit model, see KB2865.