The IDAS-340/LMR, is a Fiber Optic “In-Building” Transmission System, which provides a novel RF design approach to achieve the operational requirement of providing expanded continuity of critical communications network traffic. The IDAS-340/LMR consists of a suite of hardware elements including a Bi-Directional Amplifier (IDAS-340/BDA), a Central Fiber Donor Unit (IDAS-340/CFDU) and a Remote Fiber Unit(s) (IDAS-340/RFU). The IDAS-340/LMR utilizes proprietary and field proven Radio Frequency and Fiber Optic technology to transmit and receive the desired spectrum of 378 to 512 MHz trunking radio signal traffic over a Hybrid Fiber Coax structured Distributed Antenna System (DAS). This approach, provides the ability to securely route and distribute LMR signal traffic to mounted antenna locations throughout the communications network infrastructure beyond the limitations of convential coaxial based deployment schemes. The IDAS-340/LMR can be integrated into architectures requiring Point-To-Point or Point-To-Multi-Point topologies supporting user augmentations found within Government Facilities, Hospitals, Schools, Parking Garages, and Public Transit Facilites. The IDAS-340/LMR complements MPS’s offering of IDAS systems such as the IDAS-800 Public Safety and the ISAT-7700 Emergency Satellite Telephone System. MPS is a full service design, integration, and test certification contractor offering full specturm in-building distributed antenna solutions.