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> The pre-cdma and pre-gsm AMPS cell phones were pretty easy to eavesdrop on as well. While waiting in the car for someone, my friend changed his Motorola Star
by emersonrsantos 10y ago
> The pre-cdma and pre-gsm AMPS cell phones were pretty easy to eavesdrop on as well.
While waiting in the car for someone, my friend changed his Motorola StarTac to engineering mode and then proceeded to search channels until finding something interesting to listen.
- astrodust 10y agoNot only was there various test modes for handsets, but older tuners would easily access the bands used for analog cellular communication. These bands used to be used for UFH range used for analog television until those upper channels were trimmed to make way for cellular. I'm sure someone with criminal intent could have made a small fortune skimming credit card numbers off the open air.