uAttend CB2500 Web-Based PIN / Proximity Badge Time Clock. Plug 'n Play WiFi Ready! The CB2500 by uAttend offers plug'n play wireless internet connectivity with a large color display. This is the easiest time clock to install and setup because there are no wires to run and it connects easily to your network. Proximity badge punch or PIN punch, easy to use, and web-based. Use your existing internet connection. Log onto your uAttend account using any internet browser (works with Windows, Mac or Linux). Login anywhere, anytime, from any PC that has internet access and view hours, run reports, make changes and run payroll reports. Extremely affordable monthly subscription fees are required to use the uAttend time clocks (no contract required). It doesn't get any easier than this!