Cisco Cisco 3G Wireless WAN High-Speed WAN Interface Card
© 2014 Cisco and/or its affiliates All rights reserved. This document is Cisco Public Information. Page 3 of 23
SIM Security Guide for ISR and CGR with Verizon Wireless 4G LTE
ISR LTE SIM Overview
A subscriber identity module (SIM) is an integrated circuit that securely stores information required to access an LTE
network. The circuit is embedded into a removable plastic card. This plastic card is called a "SIM card". There are
multiple sizes of SIM cards that are standard. The SIM size depends on the LTE equipment. EHWIC-4G-LTE-V,
C819G-4G-V, and GRWIC-4G-LTE-V use a USIM (a.k.a. Mini-SIM, standard SIM) Verizon SKU "DIRECTSIM4G-D".
Stored on the SIM are the international mobile subscriber identity (IMSI), related keys for identity/authentication,
a unique serial number (ICCID), temporary information related to the local network (i.e. APN), a list of the services the
user/device has access to, and two passwords (e.g. personal identification numbers, PINs):
PINs and PUKs
There are 2 passwords related to a SIM.
network. The circuit is embedded into a removable plastic card. This plastic card is called a "SIM card". There are
multiple sizes of SIM cards that are standard. The SIM size depends on the LTE equipment. EHWIC-4G-LTE-V,
C819G-4G-V, and GRWIC-4G-LTE-V use a USIM (a.k.a. Mini-SIM, standard SIM) Verizon SKU "DIRECTSIM4G-D".
Stored on the SIM are the international mobile subscriber identity (IMSI), related keys for identity/authentication,
a unique serial number (ICCID), temporary information related to the local network (i.e. APN), a list of the services the
user/device has access to, and two passwords (e.g. personal identification numbers, PINs):
PINs and PUKs
There are 2 passwords related to a SIM.
-
The first is a personal identification number (PIN) for ordinary use (to allow use of the LTE connection). The
PIN is set by the user or admin of the device in which the SIM is inserted. For ISRs this is configured in IOS.
PIN is set by the user or admin of the device in which the SIM is inserted. For ISRs this is configured in IOS.
-
The second is a personal unblocking code (PUK). The PUK is only used if the SIM becomes blocked (due to
4 failed attempts to unlock it for use). The PUK is specific to each individual SIM, and is only available directly
from Verizon Wireless.
4 failed attempts to unlock it for use). The PUK is specific to each individual SIM, and is only available directly
from Verizon Wireless.
SIM Installation and Configuration
Below are links for SIM installation and PIN configuration, followed by a diagram of SIM location.
www.cisco.com/en/US/partner/docs/routers/access/800/819/hardware/install/guide/pview.html#wp1087794
www.cisco.com/en/US/docs/routers/access/interfaces/ic/hardware/installation/guide/EHWIC-4G-LTEHW.html
www.cisco.com/en/US/docs/routers/access/interfaces/software/feature/guide/EHWIC-4G-
LTESW.html#wp1262475
LTESW.html#wp1262475
www.cisco.com/en/US/products/ps5949/products_installation_and_configuration_guides_list.html
Diagram of LTE eHWIC with SIM slot closed and open with SIM card insertion:
Bottom views of C819HG-4G-V (SIM cover on and off):