1.Automatically - Collect cell phone nearby automatically, push cell phone nearby send SMS automatically, even push cell phone nearby answer SMS automaticall.
2.Fast - Collect 10 phone number /minute, win 10 + vote count / minute.
3.Unsensible - There is no operation needed for cell phones nearby, even no SMS received with those cell phones.
4.Easy To Use - Just power on the device and configure some settings. No network needed; no carrier's cooperation needed.
5.Portable equipment that can be placed in a backpack.
6.extractor nearly mobile phone ISDN number, IMSI and IMEI .