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Install GSM & PSTN alarm systems ...
It will guide you to install the home GSM & PSTN alarm systems step by step.
1. Design all defense zones and choose detectors such as PIR detector, smoke sensor, door magnetism contact, wireless siren, panic switch etc.
2. Fix the setup places of all fittings.
3. Draw a setup map making the detectors and cable conductors in all zones. Making different usages with color lines.
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