TECHNOLOGY

Certifications & Patents

We pass the standards of the places our products are used first. Click a certificate to view it larger.

IECExInternational explosion-proof (intrinsic safety)
FCC6 products (US)
Innovative Product6 products designated
KC12 registrations · electrical safety
Japan MICJapan radio
ISO 9001Quality management

IECEx ICR 24.0005X
Self-powered signal detection sensor type EXIMWS Series · Ex ib IIB T4 Gb (-20 ℃ ≤ Tamb ≤ +80 ℃) · issued 2024-09-10

FCC × 6
Emergency bell MWST-110 · Fixed-temperature Fire Detection Sensor MWSF-100 · Valve detection sensor MWSDG-100 · Door detection sensor MWSD-130 · Repeater MWSR2-900 · AC receiver MRAC-500

Public procurement1

**Innovative Product designation (6 self-powered transmitter/receiver products)**2025

International certifications14

**IECEx international explosion-proof certification (intrinsic safety)**IECEx ICR 24.0005X · EXIMWS Series2024-09-10

**FCC — Self-powered Emergency Bell**FCC ID 2BTDM-MWST-110 · MWST-1102026-05-28

**FCC — Fixed-temperature Fire Detection Sensor**FCC ID 2BTDM-MWSF-100 · MWSF-1002026

**FCC — Valve Detection Sensor**FCC ID 2BTDM-MWSDG-100 · MWSDG-1002026

**FCC — Door Detection Sensor**FCC ID 2BTDM-MWSD-130 · MWSD-1302026

**FCC — Repeater**FCC ID 2BTDM-MWSR2-900 · MWSR2-9002026

**FCC — AC Receiver**FCC ID 2BTDM-MRAC-500 · MRAC-5002026

**Japan PSE Certification — AC Receiver**MRAC-500

**Japan MIC — Guest Pager Repeater**Guest Pager Repeater

**Japan MIC — Call Bell**SCS Bell2019-06-05

**Japan MIC — Call Canceller**SCS Eraser

KC Conformity Registration (radio · 12)12

**KC Conformity Registration — Transmitter (emergency bell · wireless switch)**R-R-M1p-MWST-100 · MWST-100Series models · MWST-110 · 120 · 130 · 140 · 145 · 150, NEC-8320, CEC-4310Registered 2019-09-26Certificate PDF

**KC Conformity Registration — Single-window Monitor**R-R-M1p-MWSM1-300 · MWSM1-300Registered 2019-09-26Certificate PDF

**KC Conformity Registration — Relay**R-R-M1p-MWSRT-800 · MWSRT-800Registered 2019-09-26Certificate PDF

**KC Conformity Registration — DC Receiver**R-R-M1p-MWSRD-500 · MWSRD-500Registered 2019-09-26Certificate PDF

**KC Conformity Registration — RF Communication Module (RF receiver)**R-R-M1p-MRRC-500 · MRRC-500Series models · CMO-4000SRegistered 2020-02-05Certificate PDF

**KC Conformity Registration — AC Receiver**R-R-M1p-MRAC-500 · MRAC-500Registered 2020-11-26Certificate PDF

**KC Conformity Registration — Fixed-temperature Fire Detection Sensor**R-R-M1p-MWSF-100 · MWSF-100Series models · MWSF-110Registered 2021-08-18Certificate PDF

**KC Conformity Registration — Sensor Hub**R-R-M1p-MWSH-300 · MWSH-300Registered 2022-09-26Certificate PDF

**KC Conformity Registration — Signal Monitor**R-R-M1p-MWSM-700 · MWSM-700Registered 2022-09-26Certificate PDF

**KC Conformity Registration — Repeater**R-R-M1p-MWSR2-900 · MWSR2-900Registered 2022-09-26Certificate PDF

**KC Conformity Registration — Gas Valve Open/Close Detection Sensor**R-R-M1p-MWSG-100 · MWSG-100Series models · MWSG-110 · 120 · 130 · 140 · 150 · 160Registered 2022-09-28Certificate PDF

**KC Conformity Registration — Door Open/Close Detection Sensor**R-R-M1p-MWSD-100 · MWSD-100Series models · MWSD-110 · 120 · 130 · 140Registered 2022-09-28Certificate PDF

KC Electrical Safety1

**KC Electrical Safety Certification — AC Receiver**MRAC-500

Corporate · Quality4

**ISO 9001 Quality Management System certification**

**Venture Company certification (6th)**2025

**Corporate R&D center accreditation**No. 20101102872010-01-26

**Technology-excellent company certification (T-4)**NICE-2020-77-0015722020-07-15

PATENTS

Patents

We hold 11 registered self-powered patents in Korea and 2 overseas (Japan · US), and have filed 3 PCT international applications.

11Registered in Korea

2Registered overseas (Japan · US)

3PCT international applications

Registered (Korea)11

**Wireless self-powered bell (hinge type)**

**Dust- and waterproof self-powered switch system**

**Self-powered, power-free fixed-temperature detection transmitting/receiving system**

**Self-powered gas valve wireless remote open/close monitoring system**

**Self-powered glass bulb-type wireless fixed-temperature detector**

**Self-powered, power-free object movement detection transmitting/receiving system**

**Self-powered door open/close detection monitoring system**

**Self-powered vehicle seat belt fastening detection monitoring system**

**Self-powered Smart Safety Alert system**

**Self-powered vehicle door open/close detection monitoring system**

Registered (Japan)1

**Self-powered, power-free fixed-temperature detection transmitting/receiving system (Japan)**

Registered (US)1

**Self-powered, power-free fixed-temperature detection transmitting/receiving system (US)**

PCT international application3

**Self-powered gas valve wireless remote open/close monitoring system (PCT)**

**Self-powered, power-free fixed-temperature detection transmitting/receiving system (PCT)**

**Self-powered gas valve open/close dual-monitoring system (PCT)**

CONTACT MPIA

Tell us about your site and conditions, and we will propose the right sensors and system configuration.

Let us know the installation location, quantity and systems to integrate with (PC · text messages · SCADA), and a technical specialist will reply directly.