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Sekonic RT-32CTL Transmitter Module

Cat # 401-625

The new Sekonic RT-32CTL Radio Transmitter Module triggers both ControlTL™ receivers including the PocketWizard FlexTT5, ST-4 and MC-2 for Paul C Buff as well all Standard PocketWizard radios and studio flashes with built-in PocketWizard receivers.

Add to Cart$149.00 SEE EDU PRICE

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Overview Features Articles/Videos


Designed for the Sekonic L-358 FlashMaster, L-758DR and L-758 Cine. It is also operates with earlier transmitter-compatible Sekonic meters.


  • RT-32CTL simultaneously triggers Standard Channels (32 channels, 4 zones) and ControlTL Channels
    (20 channels, 3 zones).
  • Meters equipped with the RT-32CTL can trigger PocketWizard FlexTT5 and measure power levels of Canon or Nikon speedlights set by a PocketWizard AC3 ZoneController mounted on PocketWizard MiniTT1 or FlexTT5 transmitter.
  • Sekonic L-758DR DigitalMaster meters shipped after June 1, will include the RT-32CTL transmitter.
  • Current L-758DR owners can use RT-32CTL as is or upgrade meter firmware to show Standard and ControlTL channel indication simply by using FREE V3.0 DTS Software available on
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