DakotaAlert MURS-based Alarms: One of the best product lines I've found for long-range (miles!) wireless driveway and motion alarms. Supports multiple sensors/zones, doubles as an intercom/talkie system, and can also trigger external devices like household doorbells.
As most sailors have found, trying to use a typical laptop WiFi card to connect to a marina or yacht club hotspot doesn t cut it. A more acceptable compromise is an amplified WiFi card which can theoretically boost transmission power to about milliwatts.
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