The Mobile Station(MS)

By : Irvando Damanik

Is a device used by customers to make a good communication connection, consisit of conversation or others communication services.

Mobile station consist of:

1. Mobile Equipment (handset), is a GSM device which is on the users or customers who funsinya is a terminal transceiver (sender and receiver) that can communicate with other GSM devices.
2. Subscriber Identity Module (SIM) or the SIM Card, is an important part in the ME where without SIM Card, the ME can not be used. SIM card is a card that contains all customer information and some information services. Generally, the data stored in SIM is :

IMSI (International Mobile Subscriber Identity), is subsciber numbering

MSISDN (Mobile Subscriber ISDN), is dial number that represents the number of customers.