Hello ! I have a company for Marketing and I want to create a device for SMS Blaster System on an area of about 200 meters by IMSI and IMEI catcher without to know the number phones. I want to know how to create and price for this system. Thank you !

create a device for SMS Blaster System

Topic		Replies	Views
Capturing IMEI data and sending it to a remote server over a wifi network? General Guidance	3	1896	May 5, 2021
SMS Gateway Español	3	2151	May 6, 2021
GSM und GPRS Deutsch	5	1957	May 6, 2021
Making commercial cell phone General Electronics	21	8672	May 6, 2021
Operateur Français le moins cher pour envoyer des SMS Français	7	1686	May 6, 2021