Viavi HST-3000-WB2 VDSL In SIM Card Module for HST-3000 is a SIM card–based VDSL interface module designed for the HST-3000 test instrument. The WB2 designation identifies the specific module variant compatible with the HST-3000 platform. Viavi, referencing its JDSU/Acterna lineage, supplies this SIM VDSL module for the HST-3000 family.
