This is FEIG ID ISC.MU02.02-CU UHF ReadrMod # 3478.000.00.
Description from the FEIG UHF page at GlueLogix.com:
The MU02 is an inexpensive and versatile reader-encoder for EPC Class 1 Generation 2 chips. In GlueLogix designs, MU02 is used for near field read and encode of tags on the production line. It has also been deployed as a narrow portal reader.
Contact GlueLogix for brochure