Telefunken M81-WH Capsule for Shure Wireless

Full Product Description (From the manufacturer)

The M80-WH, M80-WHB and M81-WH are designed to mate with Shure Axient, UHF-R, QLXD, ULXD, ULX, PG, PGX, SLX, ULX2, SLX2, UR2 and PG2 wireless transmitters. In addition, the M80-WH, M80-WHB and M81-WH are also interchangeable with the Lectrosonic HH and HHA and Sony brand UTX-M03 wireless transmitters. The M80-WH, M80-WHB and M81-WH do NOT mate with the Shure PGX2, BLX, GLXD, and PGXD.