US Patent 7591680 Conductive cage

A conductive cage (100) for receiving a SFP transceiver includes a cage body (10) having a number of pins (122) extending downwardly and a unitary, rectangular-shaped collar (20) mounted onto the cage body. The unitary, rectangular-shaped collar has a top plate (21), a pair of opposite side plates (23) and a bottom plate (22). The bottom plate has a first bottom plate half (221) including a first engaging portion (24) and a second bottom plate half (222) having a corresponding second engaging portion (25) coupling with the first engaging portion for connecting the first bottom plate half to the second bottom plate half.