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Cisco 819 Integrated Services Router Hardware Installation Guide
OL-23125-02
Chapter 1 Product Overview
Hardware Features

Embedded 3G Modem

The 3G cellular interface is the primary WAN data link, but it can also be used as a backup data link.
The 3G technology is third-generation wide-area cellular technology that is used in broadband wireless
data in a mobile environment.

Embedded 4G LTE Modem

The Cisco 819HG-4G and Cisco 819G-4G routers have an embedded 4G LTE modem provided by Sierra
Wireless. The Verizon SKUs come with an MC7750 modem, the AT&T SKUs come with an MC7700
modem, and the Global SKUs come with an MC7710 modem.

SIM Card

Table 1-9 lists the SIM Card slots available for Cisco the 819 ISRs.
Ta b l e 1-9 SIM Card Slot
Two Internal SIM Card Slots One Internal SIM Card Slot No SIM Card Slot
C819G-U-K9 C819HG-4G-V-K9 C819HG-V-K9
C819G+7-K9 C819G-4G-V-K9 C819HG-S-K9
C819HG-U-K9 C819HG-4G-A-K9 C819G-V-K9
C819HG+7-K9 C819G-4G-A-K9 C819G-S-K9
C819HGW+7-A-A-K9 C819HGW-V-A-K9
C819HGW+7-E-K9 C819HGW-S-A-K9
C819HGW+7-N-K9 C819HG-B-K9
C819HG-4G-G-K9 C819G-B-K9
C819G-4G-G-K9