Advanced 4G GSM/PSTN Alarm Host ST-IIIB
Dual-network connectivity with 4G GSM and PSTN ensures uninterrupted security, ideal for remote monitoring in homes, offices, and warehouses. 433MHz/868MHz frequency compatibility offers stable long-range wireless communication, supporting up to 110dB loud alarm for immediate alerts. High-precision touchscreen with French/English voice prompts simplifies operation, while rugged ABS casing and reinforced internal components guarantee durability. Wireless PIR and door sensors detect intrusions instantly, perfect for smart homes, retail stores, and industrial facilities needing scalable, plug-and-play protection. Bulk pricing available—global wholesale leader with unbeatable value for high-volume buyers.