There are many names for an indoor cell extender

 It is also dual band, for use with most major carriers.
The Wilson Dual Band 801265 jammer offers a powerful 75dB of gain, covering spaces of up to 30,000 square feet. Branded as the most powerful cellular jammer on the market, the 801265 has the same setup as your standard cell jammer but simply offers more raw power, making it ideal for buildings, warehouses and large open spaces.There are many names for an indoor cell extender. Commonly it is referred to as a Cell jammer but in actual fact it is a fully functional low powered cellphone jammer. The industry refers to it as a mini, a pico or a SOHO jammer or a cell extender. There are indoor and outdoor types. There are different formats like CDMA, GSM, DSC, UMTS There are also combinations of the mentioned frequency formats and they are referred to as dual & even tri-band blocker. All blocker should be regarded as the network operator's responsibility. The network and the frequency spectrum is their licensed property over which they supply specific services and for which the end user pays revenue. The quality of equipment used on these networks is their responsibility as well as to provide coverage throughout. Installations of any kind should be carried out by a fully qualified network technician or an appointed contractor.Previous publications were classified military reports or narrow subtopics on academic papers. By 1993 CDMA was accepted as a standard and went into operation in 1996. CDMA also exists at both the 800 MHz and 1900 MHz band, and is used by the major carriers.
GSM is based upon an improved version of TDMA technology. In 1982, a conference in Europe created a digital standard to allow users to roam from country to country in Europe. By 1987, the GSM standard was created based upon both analog and TDMA digital technologies. Using wider 200 kHz channels instead of the 30 kHz channels TDMA used along with other modifications they were able to speed up the bit rate with a more natural sounding voice-compression algorithm.
This also enabled GSM to provide such other data services as email, fax, internet browsing, and internet/LAN wireless access. The GSM standard was accepted in the United States in 1995 and is the only phone that can be used around the world. This technology will be the bases of future growth in the wireless phone industry as it offers the multifunction capabilities today's users require.
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