There are three different Elinchrom EL-Skyport flash unit generations in the market.
Every new generation offers additional new features and improved performance.

• 1^st Generation
  EL-Skyport Transceiver RX plug-in module for Style RX, Digital RX and Ranger RX.
  Units with the Transceiver RX can be detected but will not be displayed power levels. Their power levels can, however, be adjusted.

• 2^nd Generation
  Built-in EL-Skyport module Mk1 for BRX, D-Lite RX, Quadra, Quadra Hybrid.
  These units can be detected with their power levels displayed and adjusted.

• 3^rd Generation
  Built-in EL-Skyport module Mk2 for ELC Pro HD, ELC and ELB.
  These units can be detected with their power levels displayed and adjusted.
  This generation also offers an extended distance range.