Passive GSM Monitoring

Vehere's Passive GSM Monitoring System is designed for analyzing of communication sessions as well as service information circulating in cellular GSM network A5/0 without encryption or networks with A5/1 and A5/2 and A5/3 encryption. It monitors all channels over the GSM 900MHz and 1800MHz spectrum [2G, 3G and 4G] and is able to receive, decode, decipher, store and display/playback voice and SMS from the GSM network. The system does not interfere with the external cellular networks
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