Con-Space offers a new accessory for its CSI-1000 and CSI-2000 Hardline Communication Systems. The CSI-2131 Power Talk Box provides users with hands-free, two-way voice communication. Identical in function to its sister product, the CSI-2130 Talk Box, the unit is over 30 times louder so multiple users can be monitored over a larger area. Con-Space Communications, Inc., Blaine, WA. Booth 2624.