Wireless Timer Controller for ST-300W Presentation Timer System







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The ST-300W-CT is a premium 7-inch wireless touch controller designed for precise and discreet presentation time management in conferences, congresses, and high-profile events.
- Control center of the ST-300W timer system
- Remote management of speaker timing
- Discreet visual alerts sent to speaker displays
- Real-time synchronization of all connected displays
- Wireless or wired operation (RS485)
The ST-300W-CT Touch Controller is the central communication and control unit of the ST-300W Wireless Presentation Timer System.
From this controller, all connected timer displays (stage timer, lectern timer display, or external screens) are managed, synchronized, and updated in real time, ensuring consistent and accurate speaker guidance throughout the entire event.
Depending on the venue setup, the ST-300W-CT can operate either wirelessly or through a wired RS485 network connection, making it perfectly suitable for both temporary event installations and permanent AV conference room setups.
One of the key strengths of the ST-300W system is its modular design. The controller can be used only with the lectern timer display, only with the stage display, or with both displays simultaneously to provide full control over speaker timing.
7" Projected Capacitive Touchscreen
The controller is equipped with a high-quality 7-inch touchscreen, offering a fast, precise, and intuitive interface for smooth and reliable time management.
Flexible Speaker Time Management
The moderator can remotely start, pause, and resume the timer at any moment. This is ideal for handling unexpected interruptions such as technical delays or audience interactions, without disrupting the session agenda.
Discreet Visual Alerts
The ST-300W-CT can send subtle blinking messages to the connected speaker displays, indicating when the allocated speaking time is nearly finished—without sound signals or interruptions to the presentation.
Customizable Speech Times
Speech durations can be set manually or selected using convenient presets: 5, 10, 15, 30, 45, or 60 minutes.
Color-Coded Status Indicators
The system uses green, yellow, and red indicators to provide immediate visual feedback on time status, helping speakers stay on track and respect the schedule.
Key benefits
- Control center of the ST-300W timer system
- High-quality 7" projected capacitive touchscreen, responsive and accurate
- Remote speaker time management
- Real-time synchronization of all connected displays
- Ability to send visual alerts to speaker displays
- Wireless or wired operation (RS485)
- Modular design adaptable to any type of event
Technical highlights
- 7” capacitive touchscreen (800 × 480)
- Wireless connection: 802.11 LR – 2.4 GHz (up to 100 m)
- Wired connection: RS485 via RJ45 (up to 500 m)
- Power supply: DC 5V / 2A
- Dimensions: 149 × 240 × 70 mm
- Please see the "downloads" section to find out all product specifications
How the components work together
- The ST-300W-CT Wireless controller sets and controls speech durations, timing presets, pauses, and alerts.
- The ST-300W-MC Stage Display shows clear countdowns and color-coded warnings directly on stage for speakers.
- The ST-300W-RD Podium Display provides discreet, real-time timing information at the lectern.
- The ST-300W-PB Player Box mirrors the podium display to external HDMI monitors for extended visibility.
- The optional ST-300W-NP Wired Network Switcher enables a fully wired system architecture by connecting multiple ST-300W devices via RJ45 cabling.











