"WINDJAMMER BACKPACK SYSTEM IS A PORTABLE, SELF-CONTAINED MOBILE SATELLITE SERVICES DEVELOPMENT SYSTEM. SATELLITE COMMUNICATION TERMINALS WITHIN RADIO LINE OF SIGHT. INCLUDES: WINDJAMMER L-BAND RECEIVER/TRANSMITTER IN CANVAS BAG, 150W POWER SUPPLY FOR WINDJAMMER MINI, LAPTOP CONTROLLER WITH 2 LI-ION BATTERIES, CONTROLLER POWER SUPPLY, GPS/SAT ANTENNA, MES ANTENNA, SMA TOOLS, BREAKOUT BOX, CABLE SETS, AND TRANSIT CASE."