From May 2nd to August 28th, 2015:

Up to $750 off of the purchase of 10 select MOTOTRBO digital two-way radios, with 10 eligible trade in units.

Save $750 on the purchase of 10 of these units, with eligible trade-in ($75 per unit): XPR 7000, SL 7000 Series
Save $400 on the purchase of 10 of these units, with eligible trade-in ($40 per unit): XPR 3000 Series
Save $250 on the purchase of 10 of these units, with eligible trade-in ($25 per unit): CP200d, SL300