4RF is a world class designer and manufacturer of high efficiency narrowband SCADA radios for critical infrastructure applications. Delivering highly secure communications in licensed bands, 4RF products support both Serial and IP traffic and are optimized for robust, long term performance in temperature extremes and harsh environments. 4RF SCADA radios operate in VHF, UHF and 900 MHz licensed bands and the Point-to-Point radios provide a wider range of sub 3GHz 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, Oil and Gas, smart grid and others. Active in over 130 countries, with subsidiaries in the USA, Australia and the UK, 4RF is renowned for its ability to make connections where other products fall short. www.4RF.com Products: Aprisa SR+, Aprisa XE, Aprisa FE, Aprisa SR Write to us at info@4RF.com to learn how we can help you easily implement a highly effective radio network. Licensed point-to-point digital microwave radio, smart, secure SCADA radio, long haul microwave, critical infrastructure communications, low frequency radio, RF Research and Development, robust, reliable radio