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.
SPECIFICATION OF Syscall Transmitter ST-500 2/3 Button Bell |
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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 Syscall receivers, direct pager |