 The Artemis website shows 3 demonstration videos, the previously described Columbia University one, another at Code Conference with 20 iPads, and a lab demo showing 16 phones sharing 8 cells.Artemis says cellphones and devices that support LTE could be compatible with pCell networks without replacement of the radios.Perlman refutes claims that pCell is simply MU-MIMO, saying that pCells are spaced farther apart than LTE MIMO.