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High-Speed Data Transmission: Equipped with a high-power 868MHz frequency, this module enables fast and efficient data transmission, ideal for applications such as area alarm systems. Dual Serial Port for Flexibility: The module features dual serial ports, providing users with the flexibility to cus...
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18.What is true about the old alarm systems?A. They were cheap.B. They were unreliable.C. They caused power cuts.19.How do people control a smart home system?A. By using the phone.B. By contacting the authorities.C. By adding software to the computer.20.What is the speaker mainly ...
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Emergency Alarm, Encrypted Communication, Voice Control Call Type Mixed Display Without Display Type Handheld Signal Type Digital Power 0.5-5W Model Analog/Dmr Talk Range 5-10km Frequency Range 136-174MHz;400-480MHz Channel 256 Channel Spacing ...
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