CASM Interoperable Communications App for Mobile Devices

The Department of Homeland Security Office of Emergency Communications has released new apps for Apple and Android mobile devices.  The app, which ties into the Communications Asset Survey and Mapping (CASM) tool, allows users to find the latest information for gateways, radio caches, and mobile command units using their smartphone or internet-capable tablets.  The CASM Mobile Finder app’s enhanced features boot public safety incident response and interoperability planning with map and location-based capabilities such as device tracking, location sharing, and geographic terrain and landmark information.  All data within the CASM database can be accessed using the app.

Key features of the app include:

  • the ability to share incident facility locations (such as the Incident Command Post) with others using the app, including those responders en route to the incident;
  • integration of the mobile device GPS to provide current location in relation to the destination facility using streel-level mapping technologies;
  • the ability to locate communication assets listed in CASM up to 25 miles away from the incident site.  The information is provided in both map and list views;
  • Security and permissions for CASM users are maintained.  Only those assets and areas in which the user has access are visible.

In order to access the information within the app, users must have an active CASM account.  Users may request a CASM account by contact the HOTCOG Homeland Security Division staff at  The CASM web-based tool can be accessed at  Links to download the app are provided below.  All links open in a new window, therefore you must ensure that you browser will allow popups from


Request CASM access by emailing HOTCOG Homeland Security Division staff

Access CASM and other public safety tools

Download the CASM Finder app for Apple devices (Apple App Store) – or search for CASM Finder in the app store

Download the CASM Finder app for Android Devices (Google Play Store) – or search for CASM Finder in the app store

Get assistance or offer feedback on the app