to adjust the power of cell phone jammer

Mobile RFID - the SIM card card business shows the number of Chi-Hing Information Technology Co., Ltd. Shenzhen City. China Mobile phone RFID-SIM card, the non-contact card system program RFID-SIM card business currently consists of three applications of the card, cell phone wallet, Expo phone votes for the three applications are the application of the entire network. And these four cell phone jammer can be installed in the four corners of the meeting room or four planned positions.
And relatively independent of the three applications from three relatively independent systems management application by the key management center, independently of each other three to produce the root key, and were injected into three business nationwide platform 1. RFID-SIM card 1.4.1 What is the RFID-SIM card, RFID-SIM card penetration of dual interface smart cards (RFID cards and SIM card) to the mobile space is a new mobile phone SIM card. RFID-SIM card has both a regular SIM card mobile communication functions, but also by the antenna and card reader attached to their short-range wireless communications, which can be extended to atypical areas of payment and authentication of the mobile phone scene function. It can makecell phone jammer cover the whole area needed to be shielded completely.
Information Technology Co., Ltd. of Shenzhen City, the number of intellectual Guoxing the 0755-26959889 first 6 of 32 mobile phones of RFID-card system, the SIM card program RFID-SIM support for contact and non-contact two interfaces, the contactless interface is responsible for the application of the SIM card , the normal function of the phone card, for example: phone, SMS messaging functions. At the same time, non-contact interface can be achieved non-contact applications such as consumption, access control, time and attendance. (OTA WIB specification) support OTA specification of RFID-SIM card users through the air the way real-time updates in the phone application or to the account recharge, so that the phone really used with the charge of intelligent electronic wallet. The customer doesn’t need to adjust the power of cell phone jammer .