BCLW40 is a belt clip accessory for Wisycom wireless transmitters, available in Black and PVD finishes. It is designed to mount compatible bodypack transmitters to a belt and is listed as compatible with MTP30, MTP40, MTP40S, and MTP40S-UN. No electrical specifications, frequency data, or dimensions are provided on the product page; the item functions solely as a mechanical mounting accessory for field deployment. It is a passive accessory with no intrinsic power requirements or RF characteristics.