passive systems that can handle A5/2 are already availible on the black market for about 50-60k usd.
it´s just a matter of time until they will be availible to the wide public...
on Samstag, 2. Januar 2010 at 19:26 you wrote:
| On 02/gen/10, at 18:16, p q wrote: Passive systems are always more expensive not because of the technology because of their features . in reality , building an Active system is much much harder than a passive system . reason is the Close nature of GSM society , difficulaties to have access to L1 layer of MS and BTS without paying millions and dollars and signing NDA . there are currently only 2 different GSM active system on the market . but there are a couple of Passive systems available . all only sell to government . to buy , you need a letter of introduction from your embassy in the target country that confirms you work for the government . of course these things always get smuggled out of government for illegal usages but generally they are controlled and trackable On the control only 'for government use' . I googled a bit, i asked to several companies and got quotation in 2 days with delivery in some 'well known offshore place' in middle east. Without any recommendation or verification about the 'kind of usage' and 'who i am'. Quote from offer i got in mail: "Passive GSM Monitoring system will handle A5.0 & A5.2 encryption scheme only and will NOT decipher A5.1. • 2 Duplex channels: US$ 280,000.00 Semi Active GSM Monitoring System, ,is capable to decipher A5.0, A5.1 and A5.2 • 4 Duplex Channels +1 Paging Channel (Single Band- 900 MHz or 1800Mhz) : US$ 625,000.00 • Payment Terms: 100% Advance Remittance upon signing of contract. • Delivery Schedule: 3-4 weeks after receipt of Confirmed Purchase order and Export License. • Training: The price is inclusive of training expenses. Stratign will NOT charge extra for the training, travel and accommodation costs for our two technical engineers shall be borne by the customer. The training shall be provided for seven days to a group of up to 5 personnel. In case of extended training, the customer will be charged US$450 per engineer per day. Should you require any further details to conclude the order please feel free to contact me. " Fabio __________ Information from ESET NOD32 Antivirus, version of virus signature database 4738 (20100102) __________ The message was checked by ESET NOD32 Antivirus. http://www.eset.com |
_______________________________________________ A51 mailing list [email protected] http://lists.lists.reflextor.com/cgi-bin/mailman/listinfo/a51
