SEL-3021 Serial Encrypting Transceiver
Protect Serial Data Links Against Unauthorized Access.

Protect point-to-point and multidrop data links from attacks and eavesdropping, with advanced encryption per Federal Information Processing Standards (FIPS).

SEL-3022 Wireless Encrypting Transceiver

Connect the SEL-3022 to any EIA-232 serial port on a remote device. Use SEL Encrypting Serial Port Software in your PC for encrypted communications via the wireless Ethernet interface, to improve safety and security, protect equipment, and save time.