Combat Readiness Exercise (CRX) tactical communications architecture to include x5 UHF P25 LMR, x60 IC SAT100, and all supporting components and licenses to support continuous service for 6 months per... Combat Readiness Exercise (CRX) tactical communications architecture to include x5 UHF P25 LMR, x60 IC SAT100, and all supporting components and licenses to support continuous service for 6 months per year. All supplies/equipment are to be purchased once in this transaction, and other repeating services such as licensing are to be purchased separately.