The ComFlex mBDA is an over-the-air repeater system that can incorporate up to six (6) RF units (RFUs) or four (4) RFUs with two fully integrated quad band combiner in a single chassis. Current supported frequency bands are Sprint 800, PCS, 850 Cellular, 700 MHz (Lower ABC or Upper C), and AWS. The MBDA-RACK-E0 is the chassis for the system. Order the power and monitoring unit (MBDA-PMU-A92) separately.