The Micro Systems, Inc. Model 251-2 C-Band Radar Transponder is an extremely small and compact precision augmentation system for enhancing the tracking capability of C-Band radar. The unit is particularly suitable for small missiles, targets and unmanned aerial vehicles where weight and space are of a premium. The design uses state of the art devices and circuitry. The transponder incorporates the latest in solid state electronics and has a minimum peak power output of 5 watts. It operates over a temperature range of -40°C to +71°C. Model 251-2 is a reliable product with a long shelf and operating life.