Cut the cord with Sure-Fi, the world’s first RF technology in an unlicensed band that’s 100% reliable, like a wire. Our new Innovation Award winning Serial Pro Wireless Bridge works with RS-232 and RS-485 with 2 relay outputs (Wet or Dry). With built in acknowledgments and retries, credentials are securely transmitted over our 900 MHz Radio from Endpoint to Controller. The Sure-Fi Radio is so robust, you can transmit from inside any enclosure to your control panel a MILE AWAY or 50 miles line of sight. Stop running wire, digging trenches, and tearing into existing construction with Sure-Fi!