Includes Models: IFBT4, IFBT4-VHF, IFBT4/E01, IFBT4/E01-VHF, IFBR1b, IFBR1b-VHF and IFBR1b-941
Firmware (Click on links to view/download):
- Firmware for IFBT4 and IFBR1a models is only upgradable through factory service department
- Firmware History for all IFB models
