W-SIM
Encyclopedia
Subscriber Identity Module
A subscriber identity module or subscriber identification module is an integrated circuit that securely stores the International Mobile Subscriber Identity and the related key used to identify and authenticate subscriber on mobile telephony devices .A SIM is held on a removable SIM card, which...
card developed by Willcom
Willcom
is a Japanese PHS operator, offering flat-rate wireless network data transmission and flat-rate voice calls for its subscribers.The company was formerly known as DDI Pocket, a subsidiary of KDDI. In 2004, the Carlyle Group acquired a majority stake from KDDI and changed the name of the company in...
which, in addition to standard SIM functions, also has the core components of a cellular telephone (PHS
Personal Handy-phone System
The Personal Handy-phone System , also marketed as the Personal Access System and commercially branded as Xiaolingtong in China, is a mobile network system operating in the 1880–1930 MHz frequency band, used mainly in Japan, China, Taiwan, and some other Asian countries and...
), such as the radio
Radio
Radio is the transmission of signals through free space by modulation of electromagnetic waves with frequencies below those of visible light. Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of space...
receiver
Receiver (radio)
A radio receiver converts signals from a radio antenna to a usable form. It uses electronic filters to separate a wanted radio frequency signal from all other signals, the electronic amplifier increases the level suitable for further processing, and finally recovers the desired information through...
/transmitter
Transmitter
In electronics and telecommunications a transmitter or radio transmitter is an electronic device which, with the aid of an antenna, produces radio waves. The transmitter itself generates a radio frequency alternating current, which is applied to the antenna. When excited by this alternating...
, built inside. It is currently used in some terminals (listed below), which do not have radio modules.
The W-SIM core module is an extended version of a SIM card, containing not only user data but also all the transmission technology needed for a mobile device to work.
A terminal device developer can build a customized terminal without the design and development of a radio module, and users can change to a different radio module W-SIM without changing the terminal itself.
Similar to traditional handsets made by WILLCOM, W-SIM terminals can be used in Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...
, including global roaming with Taiwan
Taiwan
Taiwan , also known, especially in the past, as Formosa , is the largest island of the same-named island group of East Asia in the western Pacific Ocean and located off the southeastern coast of mainland China. The island forms over 99% of the current territory of the Republic of China following...
and Thailand
Thailand
Thailand , officially the Kingdom of Thailand , formerly known as Siam , is a country located at the centre of the Indochina peninsula and Southeast Asia. It is bordered to the north by Burma and Laos, to the east by Laos and Cambodia, to the south by the Gulf of Thailand and Malaysia, and to the...
. For Mainland China, China Netcom had W-SIMs available, though its PHS network is due to be phased out this year. In addition, a GSM version called the CM-G100 had been developed for use in other countries.
WILLCOM branded terminals
- WS001IN / "TT"
- Hand-set terminal by Net Index.
- WS002IN / "DD"
- Data communication terminal by Net Index.
- WS003SH / W-ZERO3
- Hand-set terminal(smartphoneSmartphoneA smartphone is a high-end mobile phone built on a mobile computing platform, with more advanced computing ability and connectivity than a contemporary feature phone. The first smartphones were devices that mainly combined the functions of a personal digital assistant and a mobile phone or camera...
) by SharpSharp Corporationis a Japanese multinational corporation that designs and manufactures electronic products. Headquartered in Abeno-ku, Osaka, Japan, Sharp employs more than 55,580 people worldwide as of June 2011. The company was founded in September 1912 and takes its name from one of its founder's first...
.
- Hand-set terminal(smartphone
- WS004SH / W-ZERO3
- Hand-set terminal(smartphone) by Sharp. Higher-spec version of WS003SH.
- WS005IN / nico.
- Hand-set terminal by Net Index.
- WS007SH / W-ZERO3
[es] - Hand-set terminal(smartphone) by Sharp. Stylish and slender version of W-ZERO3.
- WS008HA / WS008HA
- ExpressCardExpressCardExpressCard is an interface to allow peripheral devices to be connected to a computer, usually a laptop computer. Formerly called NEWCARD, the ExpressCard standard specifies the design of slots built into the computer and of cards which can be inserted into ExpressCard slots. The cards contain...
data communication terminal by Hagiwara Sys-Com.
- ExpressCard
- WS009KE / 9(nine)
- Hand-set terminal by KES.
Terminals branded by other than WILLCOM
- Kids Ke-tai papipo!
- Hand-set terminal by BandaiBandaiis a Japanese toy making and video game company, as well as the producer of a large number of plastic model kits. It is the world's third-largest producer of toys . Some ex-Bandai group companies produce anime and tokusatsu programs...
. The internal code is WS006.
- Hand-set terminal by Bandai