Short description of NCP Secure Entry CE Client 2.3: NCP Secure Entry Client for communication with any IPSec gateway (compatibility list at https://www.ncp-e.com). OS: Windows CE, Mobile 5 and Mobile 6 also supported. Supported networks: WiFi, GSM, GPRS, UMTS. Authentication: OTP or certificates in a PKI. The integrated dynamic personal firewall shields the device against attacks.