We are interested in GPS/GSM/GPRS. Kindly let us know about the working process of these devices. Can these devices work with fixed phone line only or can also be able to work with GPRS or GSM please advise us. We are from Pakistan and require car tracking systems as we are setting up a project on HSS and CTS in Pakistan we are interested to establish business relation with your origination and looking to sign an agent/Reseller agreement with your company.