Compact (5.5 Inches Square), Real Time, End to End FEC SMPTE 2022 Error Correcting Router for UDP Traffic. Corrects Bit Errors and Packet Loss which Impacts UDP (and RTP) Traffic on both LAN and WAN Communications. Features Bit Rates of 25 Kbps to 120 Mbps. Commonly Used to Fix or Protect Against Frame Loss, Picture Artifacts, Audio Drop-Out and Other Video Decoding Errors Caused by Packet Loss. Unlike TCP-IP Retry Solutions, FEC Does Not Increase Jitter and Only Minimally Increases Latency. Sold in Pairs. Adds FEC to Encoders or Decoders that Do Not Support It.