This one was made from the antenna salvaged from an old (pre-WiFi circa 1989) anti-theft tag alarm system, thrown away when a shop was being re-fitted with new equipment.
It hives 3 to 5 times the normal range for WiFi snooping purposes, compared with a standard internal PCMCIA or USB WiFi adapter.
This homebuilt design, built on a standard satellite television N-connector, gives approximately double the normal range, and is called Phage after its resemblance to a viral Bacteriophage
Contact the Reverend Rat for more details.
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