# CO eFOG

> Electronic reference for Colorado emergency communications planning and radio technician support. (iPhone/iPad app by ICTAP.)

- Source: https://appshunter.io/ios/app/co-efog/id1542829262 (this page in markdown: same URL + `.md`)
- Developer: [ICTAP](https://appshunter.io/developer/975922848)
- Category: Books, Reference
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 10.0 · 110 MB
- Languages: English
- Released: 2021-03-31
- Data updated: 2026-06-22
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/co-efog/id1542829262/reviews.md

## What is CO eFOG?

The CO eFOG mobile app is an electronic reference of the Colorado Interoperability Field Operations Guide. The CO eFOG is a technical reference for emergency communications planning and for radio technicians responsible for radios that will be used in disaster response. It includes rules and regulations for use by the State and other interoperability channels, tables of frequencies and standard channel names, and other reference material.

The CO eFOG mobile app gives users easy access to public safety communications information, offering a content index with links for quick jumps to reference sections, tables, figures, or images. The ability to save Favorites and create in-line notes enables personalized access to critical information.  CO eFOG can be downloaded and then taken to the field as an offline reference, to be used without the need of an Internet connection. 

CO eFOG was developed by the Department of Homeland Security (DHS) Cybersecurity and Infrastructure Security Agency (CISA) under the Interoperable Communications Technical Assistance Program (ICTAP).

## Key features

- Electronic reference guide
- Emergency communications planning
- Radio technician support
- Rules and regulations
- Frequency tables
- Offline access


## Frequently asked questions about CO eFOG

### What is CO eFOG?

CO eFOG is an electronic reference guide for Colorado's Interoperability Field Operations Guide. It provides essential information for emergency communications planning and radio technicians involved in disaster response.

### Can I use CO eFOG offline?

Yes, CO eFOG can be downloaded and used as an offline reference. This means you can access critical information in the field without needing an internet connection.

### What kind of information does CO eFOG contain?

CO eFOG includes rules and regulations for state and interoperability channels, tables of frequencies, standard channel names, and other reference material relevant to public safety communications.

### Is CO eFOG free to download?

Yes, CO eFOG is available for free. There are no costs associated with downloading or using the application.

### What devices support CO eFOG?

CO eFOG is supported on iPhone, iPad, and iPod devices. It is designed for Apple's mobile operating system.

### How often is CO eFOG updated?

The provided data indicates the latest version was released on March 31, 2021, with no subsequent updates listed. This suggests it may not be frequently updated.

### What is the age rating for CO eFOG?

CO eFOG has an age rating of 4+. This indicates it is suitable for users of all ages, with no mature content.

### Who developed CO eFOG?

CO eFOG was developed by ICTAP under the Interoperable Communications Technical Assistance Program (ICTAP) by the Department of Homeland Security (DHS) Cybersecurity and Infrastructure Security Agency (CISA).

## Version history (last 1 release)

### 1.0 — 2021-03-31

No release notes.

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All apps by ICTAP: https://appshunter.io/developer/975922848

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-22.*