Elinchrom EL Skyport USB RX Speed Radio Transceiver Slave, 8 Frequency Channels, 40-Bit Security Encryption
Excellent product...works very well
Pros: Lightweight, Easy To Use, Reliable
Best Uses: Studio, Portraits
Describe Yourself: Professional
Was this a gift?: No
My primary mission for this was to be able to upgrade the firmware in my Quadra units. I'm liking the ability to store studio presets and, recently, used the transceiver to adjust flashes in a moderately complex macro setup doing product photography.