Hop-On Wireless Inc. HPN1800 User Manual

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APPENDIX II : ABBREVIATIONS AND EXPLANATIONS 
 
 
CUG 
Closed User Group 
GSM 
Global System for Mobile Communication 
GPRS 
General Pocket Radio Service 
SMS 
Short Message Service 
CB Cell 
Broadcast 
FDN 
Fixed Dialed Numbers 
SIM 
Subscriber Identity Module 
PIN 
Personal Identity Number. Supplied with SIM card. To 
unlock the SIM card. 
PIN2 
Personal Identity Number 2. Supplied by the network 
provider. For special function in protected FDN 
supported by SIM. 
PUK 
Personal Unlock Code. Supplied with SIM card. To 
unlock the SIM card when you enter the wrong PIN 
code three times. You can also use it to modify PIN 
code. 
PUK2 
Personal Unlock Code 2, supplied with a specific SIM 
card and it is to modify or enable a PIN2 code. 
IMEI 
International Mobile Equipment Identity consists of 15 
digits. One mobile phone has only one IMEI. 
MCC 
Mobile Country Code 
MNC 
Mobile Network Code 
 
 
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