Calnex Solutions plc designs, produces, and markets test instrumentation and solutions for network synchronization, and network emulation for telecoms networks, enterprise networks, and data centers in the Americas, North Asia, and internationally. The company offers Calnex SNE-X, a solution for the problem of ethernet testing; Paragon-neo, a platform that provides PTP and SyncE testing to 400GbE and sub-nanosecond accuracy for 5G networks; Paragon-X, a solution to test SyncE, PTP, and NTP mechanisms, as well as E1/T1 sync interfaces and ethernet OAM; Sentinel, a field solution for 3G/4G/5G mobile backhaul, E911/critical infrastructure, financial networks, and power comms; SNE Ignite, a network emulation for 5G O-RAN; Sentry, a solution for remotely monitoring multiple NTP, PTP, and clock signals in data center networks; Calnex SNE, a solution for network emulation and simulation; and NE-ONE, a performance test application for realistic networks, including LAN, WAN, Internet, Cloud, Wi-Fi, (A)DSL, mobile, and satellite to verify application performance. It also provides Paragon-ONE, a feature that bundles delivering test solutions for PTP to profiles, such as IEEE 802.1AS/AS-REV, SMPTE 2059-2, and ITU-T G.8275.1.; Attero-100G for 100/40/25GbE device performance testing; Attero-X, a network test solution; Attero-V, a virtual impairments tool that extends and complements the capabilities of the Spirent range of virtualization products and solutions; Tempo for canned tests for embedded GPS/GLONASS/BEDOU receiver and optional mini rubidium; Rb/GPS, a frequency reference that provides a stable 10MHz and a 1pps measurement reference for Sync testers; 1pps/ToD/Frequency Converter that converts timing signals; and Calnex Analysis Tool, a network and device analysis software. It offers its products through a network of resellers and distributors. The company was incorporated in 2006 and is headquartered in Linlithgow, the United Kingdom.