1.6 Mobile Connectivity

Question 1

Wireless / cellular data types

Answer 1

• use mobile provided network
• hotspot
• tethering (laptop to phone internet connect through wire)
• airplane mode
• Bluetooth (pan, 10 meters)

Question 2

Radio in phone (baseband radio processor)

Answer 2

Specifically designed to communicate with cellular providers network

Uses real-time operating system (everything happens quickly)

Firmware it runs on can be updated, runs OTA (over the air)

Question 3

PRL updates

Answer 3

(preferred roaming list) updates

• common in CMDA networks (Verizon & sprint)
• tell phone which tower it should be communicating with

Question 4

PRI updates

Answer 4

Product release instructions
- have specific settings : network codes, country coded, ID numbers so phone know how to use wireless network

Updated over the air

Question 5

IMEI

Answer 5

International mobile station equipment identity

Code that allows device to be tracked in wireless carrier network (similar to serial #)

Carrier can allow or disallow acess

Question 6

IMSI

Answer 6

• International mobile subscriber identity
• Identifies the user of a mobile network
• can be saved in SIM card

Question 7

VPN

Answer 7

Virtual private network

Software to enable is built into phone

Will need (l2tp)
- name of server