Interoperable Communications Technical Assistance Program
Access rules and regulations offline
Access public safety information and emergency communication guidelines. View rules and regulations for radio operations. Reference frequency tables and standard channel names. Locate interoperability channels and technical specifications.
Interoperable Communications Technical Assistance Program
Access rules and regulations for emergency communications
Access emergency communication guidelines, radio operation rules, and frequency tables. View standard channel names and interoperability protocols. Retrieve reference material for disaster response planning and radio technician training.
Interoperable Communications Technical Assistance Program
Access channel plans and regulations
Access emergency communication channels and regulations for Texas. View frequency tables, standard channel names, and technical guidelines. Search for specific frequencies and reference materials.
Practice tests with customizable questions across 48 subjects. Track performance with detailed score reports. Review answers and identify areas for improvement. Set goals and monitor progress over time. Sync data across devices.
Access the full text of the 1789 States . Search for specific articles or amendments. Highlight and annotate text. Bookmark sections for later review. Share excerpts via email or social media. Sync notes across devices.
Access product specifications for air conditioning and refrigeration equipment. Search by model number, view detailed technical data, and download documentation. Login with existing OPI credentials or create a new account.
Study for the CDL endorsement with 110+ multiple-choice questions covering essential topics. Simulate real tests with randomized questions. Track progress and review detailed explanations for each answer.
Access medical references for primary care and emergency clinicians. Browse over 6100 interlinked topic pages organized into 31 specialty books. View systematic literature reviews and conference updates monthly.
Access hazardous material data including NIOSH, CFR/HMT, NFPA, GHS, and CAMEO information. Search, sort, and filter materials by properties or response guidelines. View emergency response guides and safety regulations for handling and storage.