Modbus protocol

subway smoke alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP900 smart fire detector certified UL 217/UL 268/UL 2034/UL 864/CE/EN14604/EN54/FCC. Key specs: Multi-Sensor (Smoke+Heat+CO) + 4G LTE + WiFi + Cloud Platform + Complete Installation Kit + 10-Year Design, 4G LTE Cat.1 + WiFi + Cloud Platform + Mobile APP + Complete Kit (G···

analog 4-20mA output direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP300 smart fire detector certified CE/EN14604/EN54/UL217/UL268/FCC/QCVN. Key specs: Addressable Fire Alarm Control Panel + Loop Controller + 4G LTE Cat.1 + Touchscreen Display + CAN Bus, 4G LTE Cat.1 + IoT Cloud Platform + Addressable Loop (252 devices/loop) + RS485 + ···

wired wireless hybrid direct from Wanlin Fire Protection — 12-year factory experience, WL-SF600 smart fire protection product certified CE/EN54/UL/NFPA 72/FCC/RoHS/REACH/ISO 9001. Key specs: Aerosol Dispersion + Adjustable Output + Bluetooth Data Logging + NIST Calibration, Bluetooth + USB Data Export + Test Report Generation + Cloud Sync. IoT cloud platform···

wired wireless hybrid direct from Wanlin Fire Protection — 12-year factory experience, WL-SF600 smart fire protection product certified CE/EN54/UL/NFPA 72/FCC/RoHS/REACH/ISO 9001. Key specs: Aerosol Dispersion + Adjustable Output + Bluetooth Data Logging + NIST Calibration, Bluetooth + USB Data Export + Test Report Generation + Cloud Sync. IoT cloud platform···

Auto-Calibration Level Gauge direct from Wanlin Fire Protection — 12-year factory experience, 4G Industrial Liquid Level Monitoring System (WL-LT800) certified CE/ATEX/FCC/RoHS/SIL3/ISO9001. Key specs: 4G Cat.4/NB-IoT dual-mode wireless, SCADA integration, Modbus RTU/TCP, 32-point monitoring, cloud dashboard, 0-100m range. MOQ 200pcs, OEM/ODM available.