Get three testers a value price. Outfit your team with the ultimate copper/fiber/wi-fi tester, and add the AirCheck Wi-Fi tester and the LinkRunner AT. The AirCheck makes wireless testing simple in a dedicated handheld tool, while the LinkRunner AT is the fastest way to solve connectivity problems for copper or fiber networks.. LAN and Wi-Fi Troubleshooting Value Kit includes OneTouch AT 1T-3000, plus Network Tech Troubleshooting Kit with an AirCheckā¢ Wi-Fi tester and a LinkRunnerā¢ AT 2000 tester