The well-vented position is appropriate to cell phone blocker

If the phone screen appears the word "Blocked" means that your SIM card has been locked. May be three times in a row enter the wrong PIN code, the card is locked. When this situation occurs, please go to the local mobile or unicom hall by service personnel as you unlock. When your SIM card is lost or stolen, in order to be prudent, you should immediately go to the local Mobile or China Unicom business hall or call 1860 report the loss to avoid the theft of the SIM card. SIM card loss, can then to Telecom or China Unicom apply for completion. Another outstanding characteristic of   cellphone jammer is the good electromagnetic compatibility.
When the phone screen shows "Bad Card" or "SIM Error" means that your SIM card has been damaged beyond use, please bring the card to the telecommunications or replacement. SIM card is a common failure of two cases. Every time the phone is open, the phone must be the SIM card for data exchange. No card, these signals are not sent. When the phone Insert the SIM card without any reaction or insert the SIM card error (Bad Card / SIM Error), this may be because the switch of the SIM card is bad or poor contact or use scrap card. If a new card after the failure persists, then the fault generally occurs in the power supply portion of the SIM card. The supply side of the SIM card socket, the side of the clock, data ports, boot instantly available oscilloscope to the reader signal.   phone jammer has the feature of moisture resistance.
The absence of such signals should be a SIM card power supply switch peripheral resistance and capacitance components and cards unsoldering. Such as the SIM card can be used in a mobile phone can not be used on another phone in the phone has been set "network constraints" and "limit" function. 16 networks, which can control the code (NCK) or user control code (SPCK) to start the limitations of the phone functions, which requires network operators to solve. In addition, this failure may also be the SIM card supply is low or poor contact. The difference between the K-java-java. The covering radius of    cell phone jammers is large enough.
Export a C + + language language, which is a programming language released by Sun Microsystems, Inc., as an open standard to provide K-Java is an application software development environment. He is a small mobile commodities (such as: SmartPhone, PDA mobile phone) development environment, the use of this technology, you can easy to download applications to mobile phones, these applications can be games, bilingual dictionaries, personalized act calendar, or business applications software, is the i-mode phones use JAVA technology; "i" stands information (information), interactive (interactive type), Internet (Internet).  cell phone jammer adopts the intelligent control technology in shielding system design.
(Where I represents information) is developed by Japan's NTT DoCoMo wireless technology, which allows users to use the Internet service by cellular phone. i-Mode is based on the data packet transmission technology, which means that the amount of information based on user fees, rather than based on-line long. i-Mode can be used for computers, PDAs and other i-Mode cellular phones to send and receive e-mail. i-Mode cellular phone weighs about 90 grams, a larger LCD monitor, and four command buttons. i-Mode using compressed HTML (compact) format, that is, cHTML, How to recognize and guard against mobile phone viruses. The well-vented position is appropriate to  cell phone blocker .