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The Etross 8818S GSM 2G & 3G Fixed Wireless Terminal is a robust WCDMA to Analog Converter designed for professional telecommunications applications. This device creates an FXS line that enables standard telephones to function through GSM networks, providing landline-like functionality with cellular network reliability.
Engineered for durability and performance, the 8818S features a steady module design using Quectel UC-15 series components, ensuring reliable operation in various environments. The device supports both incoming and outgoing calls with crystal-clear voice quality and minimal noise interference.
Key features include compatibility with most telephone systems, PBX extensions, security alarm panels, and VoIP gateways. The high gain antenna (>2.5db) provides strong signal reception even in low-coverage areas, while the RJ-11 ports ensure easy connectivity to existing phone systems.
The 8818S operates across a wide voltage range with low power consumption, making it suitable for continuous operation. Its weather-resistant design allows deployment in various environmental conditions, from -10°C to 60°C operating temperatures.
Advanced features include caller ID display, SMS support, and reversal polarity signal for metering. The optional 7.2V 1300mAh Li-ion backup battery provides up to 24 hours standby time and 2.5 hours of talk time during power outages.
