wireless calling system manufacturer
ST-500
- ST-500 is a two/three button type transmitter that is specifically designed to use at warehouse or manufacturing facility.
- The external antenna attached to ST-500 improves the wireless range.
- Customizable: Each button can be registered independently.
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PRODUCT DETAIL VIEW

PRODUCT SPECIFICATION
Description
- ST-500 is a two/three button type transmitter that is specifically designed to use at warehouse or manufacturing facility.
- The external antenna attached to ST-500 improves the wireless range.
Specification
Number of buttons | 2 or 3 |
Dimension | W48 x L99 x H15m |
Net Weight | 60g |
Color | White, Orange |
Frequency Range | FM 433MHz |
Power Source | DC 3V coin battery (CR2025) |
Battery Life | Approx. calling 40,000 times |
Antenna Type | Helical antenna |
Compatibility | All Emisu receivers, direct pager |
Features
- Outstanding performance: Improve wireless range with the external antenna
- Compatibility: Compatible with calling system, pager unit system and direct paging system.
- Customizable: Each button can be registered independently.
- Maximize productivity: Auto-counting in production line is possible
(Additional equipment is required*)
Benefits
- Improve Service Quality
- Improve Business Efficiency
- Increase Customer Satisfaction
- Increase Business Profit
SYSTEM MAP
- Press the call bell when service is needed.
- The call bell number will be displayed on the receiver with a sound.
- The direct pager can receive call directly from the transmitters.