Brivo Mullion B-BSMF-W mount dual technology readerompatible with Brivo Mobile Pass bluetooth credentials (when used with the B ACS6000 6100 E, B ACS300 E, B ACS100 E), B SC, B SCP smartcards and B SF KeyFobs. Administrators can conveniently issue or revoke mobile credentials via Brivo Access in moments. Improve security with encrypted smart cards that offer protection against counterfeiting. Select from an array of reader options that provide increased flexibility Mullion B BSMF W mount dual