Experience seamless remote control and monitoring with the SM2 WLTE EA 2-Way 4G Remote Controller, designed for versatile relay switch applications and enhanced connectivity. Crafted from durable aluminum material, this remote controller ensures long-lasting reliability and robust performance across various environments. Equipped with advanced 4G LTE and GSM network compatibility, it delivers stable communication channels for efficient device control and real-time monitoring. Key Features: · Multifunctional 4G Network Connectivity: Supports 4G LTE and GSM frequencies (LTE FDD: B1/B3/B5/B7/B8/B20; GSM: 900/1800 MHz) for reliable wireless communication, enabling remote control via mobile phone APP, web interface, and SMS notifications. · Temperature and Humidity Linkage: Integrated sensor ports allow precise monitoring with a wide detection range (Temperature: -40 to 125℃, Humidity: 0 to 100%), facilitating real-time data acquisition and triggering responsive actions. · SMS Power Outage Alarm: Receive immediate alerts for power interruptions through SMS, ensuring timely response and enhanced system safety. · Wide Compatibility and Flexible Operation: Features a standard SIM card slot and SMA antenna interface for easy installation and operation, providing a user-friendly experience in various applications. · Durable Aluminum Construction: Lightweight yet sturdy aluminum housing offers excellent durability and heat dissipation, promising long service life and dependable performance. · Output Logic Options: Supports both Normally Open (NO) and Normally Closed (NC) relay output configurations, adaptable to diverse control requirements. · Low Power Consumption: Efficient design consumes minimal power with standby current at 12V/50mA and maximum current at 12V/200mA, optimizing energy usage. Specifications: · Product Type: 4G Mobile Phone Access Controller · Material: Aluminum · Weight: Approx. 296g / 10.4oz · Usage: Relay Switch Control · 4G Frequency (LTE FDD): B1/B3/B5/B7/B8/B20 · GSM Frequency: 900/1800 MHz · SIM Interface: Standard SIM Card · Antenna Interface: Standard SMA · Temperature Detection Range: -40 to 125℃ · Humidity Detection Range: 0 to 100% · Output Logic: Normally Open (NO) / Normally Closed (NC) · Power Consumption: Standby 12V/50mA, Max 12V/200mA Package Includes: · 1 x SM2 WLTE EA 2-Way 4G Remote Controller The SM2 WLTE EA 2-Way 4G Remote Controller is an ideal solution for remote relay switching, accurate environmental monitoring, and timely alerting across multiple scenarios. Its robust construction and advanced wireless features make it perfect for industrial automation, smart home integration, and other professional control systems, delivering convenience, reliability, and peace of mind.