No doubt its cheaper than the full cabinet build, using existing fibre and power from the original DSLAM. Crucially, It should also be significantly quicker.
Note that some cabs may get an additional pod to house additional copper terminations

Was aware that these were on the way, but was hoping for there to be an easy way to tell them apart, as guidelines for people getting excited about G.fast appearing, when it is just additional VDSL2 capacity