The dormitory area is also equipped with cell phone jammer

The dormitory area is also equipped with cell phone jammer .
Java is sun, developed a relatively new computer programming language, K-Java ie J2ME (Java 2 Micro Edition), is designed Java software for embedded devices. Motorola's first pre-installed on the cell phone K-Java software platform. With the K-Java technology for continuous improvement and development, the developer who will have a K-Java-enabled cell phone users to provide more comprehensive services. Such as: interactive games, interactive news, enhanced cell phone to connect to wireless network security for data exchange, download programs written in the Java language, remote control home appliances. The unaccepted cell phone jammer should be handled carefully.Electromagnetic field strength of cell phone jammer is far lower than the national standard
Mobile PIN code (Personal Identification Number) code's primary role is to prevent the SIM card is lost and stolen UIM card set to play, when the cell phone is set to the "lock card" feature, open the cell phone power will be prompted to enter your PIN code, only the correct Enter the PIN code, the cell phone network to be registered, otherwise, can not be used. China Mobile Communications GSM is operated by a user brand, with voice calls, enabling domestic and international roaming, you can also use Caller ID, call forwarding, fax and other value-added mobile services, you can use GPRS, MMS, IP telecell phone, SMS, mobile secretary, WAP Internet access, global call other business and commercial customers for the Group's business communications applications. The design liaison meeting of cell phone jammer will be called off for some reason.One of working frequency of common cell phone jammer in the market is 869~894MHz
Each cell phone will be written at the factory with a unique electronic serial number, known as lMEl code, its role as if each of us the same ID number. In standby mode, as long as through the appropriate command keys, cell phone will show lMEl code. Mobile PIN code (PersonalIdentificationNumber) code's primary role is to prevent the SIM card or UIM card lost and stolen play set, when the cell phone is set to the "lock card" feature, open the cell phone power will be prompted to enter your PIN code, enter only the correct PIN code, mobile networking in order to register, otherwise, can not be used. PIN2 (PersonalIdentificationNumber2) code is entered when a particular function (such as setting a fixed number, set the call billing, etc.) to enter the PIN. The workshop should arrange the proper material purchase of cell phone jammer . 
Note: pin, pin2, puk, puk2 code can check to suppliers, and the pin, pin2 can modify their own (Note the original password). UIM (User Identity Model) Subscriber Identity Module, is initiated by China Unicom and international CDMA Group (CDG) to support mobile communications and end-user identification encryption technology.