The shielding effect of mobile phone within the area to be shielded

The shielding effect of mobile phone within the area to be shielded will be the largest.
This means that before the introduction of the new national policy, whatever the intention of mobile phone production enterprises can pass to the public. A more liberal policy with a more open market, to further support and encourage powerful enterprises in investment, development, manufacturing has to enter the mobile phone industry. Shake the dominance of foreign mobile phone. When the number of foreign giant are turning to the Chinese market, domestic enterprises have also sniffed out hidden the huge business opportunities in the market torrent. 99 years, the domestic brand mobile phones to start to break the domination of foreign brands such as Motorola, Nokia on this. Bird, Kejian, Konka, ZTE, Lenovo, Dopod, Amoi, CECT, TCL, etc.Settlement center is equipped with Lenovo desktop PC, card reader, report printer, and the corresponding management software. So that the normal use of the cell phone can be recovered after turning off cell phone jammer.
Access control sensor on SZGX card phone card will see the upload card number honeywell access control systems, card number corresponding to the appropriate personnel and authorized, then the employee can use the phone for access verification. Design principles are as follows: SZGX phone cards DDS Access Controller Access Control sensor 12V GND D0 is D1, DDS access control sensors 3.3.3 system composed of the access control subsystem composed of the following diagram: 0755-26959889 Information Technology Co., Ltd., Shenzhen City, the number of Chi Hing 24 a total of 32 Chinese mobile phone of RFID-SIM card card system program 3.3.4 functions to retain the original honeywell access control system functions. Otherwise, the shielding effect of cell phone jammer will be greatly reduced.
Access card records as attendance records, analysis and processing. Design according to the situation, install a hanging or desktop dual-mode consumption of POS machines, access through the network controller card private network. Canteen charging machine unit price, number, given the value of the three charging mode. Consumer POS machines to save records of all credit card water consumption data collected by the application server prior to settlement to ensure that the accounting balance. 3.4.3