Model Number: GSM SIM CARD for telecom Brand Name: GRcard Key Specifications/Special Features: Used with carriers that operates on global system for mobile communication networkCompeting network is code division multiple access, technology created by US company QualcommAs of fall 2005, CDMA cellphones and CDMA carriers do not support SIM cards in most parts of the world, though changingExpectations for the future include cellphone market that supports both SIM (GSM) and R-UIM (CDMA) cards by defaultDetails:

OS: Native and Java

IC: 32Kb-512Kb

Network compatibility: 3G CDMA 2000, 3G USIM, 3G WCDMA

Browser: WIB, S@T, Celltick

PUK, ICCID, IMSI, ADM, ESN, KI, MDN, PIN, SMSG programmable

Algorithm: PRL, Artwork Proof sheet

Security controller – Infineon, ST, Samsung and more

Form factor: ISO, half SIM, Quarter SIM, 10 chip, plug-in, 4FF

Contact: 6 or 8 pin

In-house apps development

Supports many UTK mobile value added application in the CDMA network

Compatible to both GSM and CDMA network

Supports the OTA method of downloading updates of applications

Supports expansion of STK services

Security verification algorithm

Supports internal back-up mechanism so as to maintain data integrity

User card EEPROM memory size is selectable at 32k, 64K

Contains anti-cloning security protection

UIM (User Identity Model) Subscriber Identity Module

Used in a CDMA system network phone mobile smart card, CDMA UIM card into UIM 1 x card with CDMA EVDO card (also known as CDMA2000), which supports proprietary encryption algorithms and authentication OTA technology (Over The Air), by way of a radio air interface to the data on the card to be updated and managed

UIM card functions like GSM (GSM) phones use a SIM card

User identification and communication encryption, you can also store phone numbers

Text messages and other personal information

Meanwhile UIM card using the SIM card using a card one convenient way, if lost, unfortunately, others cannot use other cards, the user simply has a matter of personal UIM card inserted into any one with a UIM card interface