Sekonic

Sekonic 012076 RT-BR Broncolor Transmitter Module

5.0 (1 reviews)

Seamless Flash Control for Professional PhotographyThe Sekonic RT-BR Broncolor Transmitter Module enables wireless triggering and power control of Broncolor flash units directly from your Sekonic L-858D-U SPEEDMASTER Light Meter. Compatibility: Broncolor RFS2/2.1/2.2 (2.4GHz) system. Functions...

$174.00*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

Seamless Flash Control for Professional Photography

The Sekonic RT-BR Broncolor Transmitter Module enables wireless triggering and power control of Broncolor flash units directly from your Sekonic L-858D-U SPEEDMASTER Light Meter.

  • Compatibility: Broncolor RFS2/2.1/2.2 (2.4GHz) system.
  • Functions: Triggering, power level control, modeling lamp ON/OFF.
  • Radio Studio Address: 99 (1 to 99).
  • Lamp Address: 40 (1 to 40) + ALL.

Key Features

Specifications: Internal wireless transmitter module for L-858D-U Speedmaster, supports Broncolor radio systems, enables flash triggering and remote power adjustment, user-replaceable design, installs beside battery compartment.

Integrated Broncolor Control: Enables direct flash triggering and remote power adjustment of compatible Broncolor lighting systems directly from the L-858D-U meter for streamlined lighting workflow.

User-Replaceable Installation: Module fits neatly next to the batteries within the Speedmaster housing, allowing convenient replacement while maintaining compact design and professional durability.

Centralized Lighting Management: Combines precise exposure measurement and wireless flash control into one device, reducing setup complexity and improving efficiency in studio or location environments.

Professional Wireless Reliability: Secure internal integration supports stable radio communication and dependable performance when managing complex multi-light configurations and refined exposure control.

Specifications

Product Type
Transmitter Module
Brand
Sekonic
Model
RT-BR
Compatibility
Sekonic L-858D-U Speedmaster Light Meter
Wireless System Support
Broncolor radio systems
Functionality
Flash triggering, Remote power adjustment
Installation
Internal, user-replaceable

Pros & Cons

👍 Pros

  • Integrated Broncolor control allows direct flash triggering and remote power adjustment from the L-858D-U meter.
  • Facilitates streamlined lighting workflow by combining measurement and control in one device.
  • User-replaceable design ensures convenient installation and maintenance within the Speedmaster housing.
  • Maintains a compact design and professional durability after installation, preserving the meter's form factor.
  • Offers centralized lighting management, reducing setup complexity and improving efficiency in various environments.
  • Professional wireless reliability supports stable radio communication for managing complex multi-light setups.

👎 Cons

  • This module is specifically for Broncolor radio systems, limiting its use with other flash brands.
  • It is an internal module, requiring opening the L-858D-U Speedmaster for installation.
  • The module is only compatible with the Sekonic L-858D-U Speedmaster light meter, not other models.
  • Details about the maximum range of the Broncolor radio system integration are not explicitly stated.
  • No information is provided on whether this module supports all Broncolor flash models or only specific series.

Frequently Asked Questions

This RT-BR Broncolor Transmitter Module is specifically designed for use with the Sekonic L-858D-U Speedmaster light meter.
It enables direct flash triggering and remote power adjustment of compatible Broncolor lighting systems directly from the L-858D-U meter, streamlining your lighting workflow.
No, the module features a user-replaceable design and fits neatly beside the battery compartment, allowing for convenient replacement.
No, this module provides integrated control specifically for Broncolor radio systems, making it compatible only with Broncolor lighting equipment.
By combining precise exposure measurement and wireless flash control into one device, it offers centralized lighting management, reducing setup complexity and improving efficiency.