The Hoosier DMR repeater network was created in 2014 with the objective of building an all digital linked statewide DMR network. We are not a governing body in any way, we are a consortium, an alliance of repeater trustees with the same vision and values. Our trustee's are Motorola Service Station employees, commercial 2-way radio dealers, repeater enthusiasts, system installers, and Motorola equipment aficionados. Simplicity is our motto. The Hoosier DMR network offers a scalable, yet simple approach to our user base, offering  12-16 of the most popular talk-groups in the world to provide the greatest selection while following the K.I.S.S. theory, providing ease of access and simple yet reliable programming. The first DMR repeater in Indiana, the W9AMT Indianapolis machine, was established in Indianapolis in 2011 with the intent of bringing this widely popular and rapidly growing technology to the local amateur radio community. Just a few short years after its inception Hoosier DMR has grown into a statewide phenomenon, providing over 30,000 square miles of coverage throughout the state. Hoosier DMR uses a third-party provided cBridge to connect Indiana DMR users with fellow enthusiasts locally, regionally, nationally, and internationally. We constantly monitor network and repeater performance using several diagnostic tools, like peer watch and minimal netwatch, to offer the best user experience possible. The third party cBridge is directly linked to the core backbone of various other DMR networks providing the best voice quality and the fastest delivery of voice traffic to our own network. 

The bigest advantage that DMR offers is that it employs TDMA (Time Division Multiple Access) technology, allowing for 2 time-slotted voice channels from one repeater and simultaneous data streaming for location based tracking, telemetry and text messaging capabilities. This means each repeater supports 2 unique voice channels at the same time! Basically, 2 channels in one! 

Hoosier DMR welcomes all interested licensed amateur operators to experience the power of the DMR technology and utilize our open system. To learn more about becoming a DMR user, please visit our "Getting Started" page.


We are constantly building out our network and looking for new sites throughout the state to expand DMR coverage and bring this exciting new technology to as many amateur operators as possible. If you are a repeater trustee, with a coordinated (or non-interfering) frequency pair, on a UHF (70 CM) frequency, with an established tower/antenna site and are interested in upgrading your equipment to the 21st century, please contact us. If buying new or used equipment to upgrade to become a part of Hoosier DMR, please understand that the network utilizes only Motorola© MotoTRBO repeaters that operate in the 403-470 MHz ("Q") split range. Pay very close attention to the frequency split when purchasing equipment. The 450-512 MHz will work and can be modified to work, but we've noticed problems when that equipment is modified. We have XPR8300's, XPR8400's, SLR5700's, and MTR3000's all on our network interconnected to one another.

***Please note***

Hoosier DMR requires a minimum internet connection of 750 Kbps or higher (recommended 1 Mbps) to be connected to our network. This can easily be achieved through a microwave link, DSL, cable broadband, T1 or a 4G LTE broadband router.

Welcome to the home of the Hoosier DMR digital repeater network, Indiana's largest, all digital, wide-area, linked amateur repeater system. DMR, or Digital Mobile Radio, is an open source standard for TDMA digital communications. Originally designed for the commercial market by ETSI (the European Telecommunications Standard Institute), the DMR standard was adopted by the amateur community in 2008 with the intent of building a worldwide IP linked repeater network. Since then, the network has grown to over 3,500 repeaters. with over 51,000 users worldwide in nearly 70 countries.