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Cisco Integrated Services Router Hardware Installation Guide
OL-27407-01
Chapter1 Product Overview
Cisco 810 Series
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 -12 lists the SIM Card slots available for Cisco the 819 ISRs.
Table1-11 Memory Requirements for Cisco 819 ISRs
Memory Requirements
Cisco 819HG
Cisco 819G
(with 3G)
Cisco 819HGW
Cisco 819HWD
(with WiFi)
Cisco 819HG-4G
Cisco 819G-4G
(with 4G LTE)
256 Compact Flash support in
IDE mode (internal) Yes — —
1 GB Compact Flash support in
IDE mode (internal) —YesYes
512 MB DRAM Yes — —
1 GB DRAM — Yes Yes
Table1-12 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