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4RF is a world class designer and manufacturer of high efficiency point-to-point and narrowband SCADA radios for public safety and critical infrastructure applications. Delivering highly secure communications in licensed, unlicensed, and public/private LTE bands, 4RF products support both serial and IP traffic. For enduring performance in temperature extremes and harsh environments the 4RF Aprisa family are optimized for robust operation in the VHF, 220 MHz, UHF, 700 MHz, and 900 MHz licensed bands, unlicensed 902 - 928 MHz band, world LTE bands while the point-to-point products address a wide range of sub 3 GHz frequencies. Combining a standards-based approach with excellent RF performance, superior reliability and ease of use, 4RF develops best in class wireless products for utilities including smart grid, oil and gas, public safety, and other applications. Active in over 150 countries, with subsidiaries in the USA, Australia and the UK, 4RF is renowned for its ability to make connections where other products fall short. Products: Aprisa LTE, Aprisa SR, SR+, and Aprisa SRi, Aprisa XE and Aprisa FE Write to us at [email protected] to learn how we can help you easily implement highly effective radio link networks.