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A system in which an RF communication module receives emergency bell and sensor signals as RS232 / TTL signals and integrates them with emergency call units
Parks, restrooms and public institutions already have emergency call units installed, but adding more emergency bells requires wiring work.
Self-powered emergency bells can be used semi-permanently with no batteries or wiring, and with IP57 they can be installed anywhere, indoors or outdoors.
Self-powered Emergency Bell (round)MWST-110
RelayMWSRT-800 · Optional
Emergency call unitThird-party equipment integrationRanges are based on open field with no obstacles. Each added repeater extends the range by approx. 1 km.
Model MWST-110
| Size | Φ63 × H25 mm |
|---|---|
| Weight | 38 g |
| Frequency | 920.700 MHz (FSK) |
| Antenna | Internal antenna |
| Transmission range | approx. 100 m (open field) |
| Power | Self-powered (no battery) |
| Dust · water protection | IP57 |
| Durability | 100,000 operations |
Model MWSRT-800
| Size | W115 × D115 × H28 mm |
|---|---|
| Weight | 160 g |
| Frequency | 920.700 MHz (FSK) |
| Antenna | External antenna |
| Tx/Rx range | approx. 150 m (open field) |
| Range extension | +approx. 150 m (open field) |
| Max. connections | max. 10 |
| Display | FND 3-digit, Power · Rx · Tx LED |
| Power | DC 12 V 1 A adapter |
Model MRRC-500
| Size | W40 × D25 × H7.5 mm |
|---|---|
| Weight | 5 g |
| Frequency | 920.700 MHz (FSK) |
| Antenna | Chip antenna |
| Reception range | approx. 100 m (open field) |
| Output | RS232 / TTL 3.3 V |
| Display | Red LED (operation indicator) |
| Power | DC 3.3 – 6 V |
Self-powered emergency bells were integrated with emergency call units at the Seoul District Prosecutors' Office, a park in Taebaek, Dongyang Mirae University restrooms and the Seoul National Cemetery.
Field installation photos2
Pressing the emergency bell connects immediately to the existing emergency call unit
Installed anywhere without adding wires
Integrated with third-party emergency call units via the RF communication module
CONTACT MPIA
Emergency Call Device Platform
A system in which an RF communication module receives emergency bell and sensor signals as RS232 / TTL signals and integrates them with emergency call units
