1-19
Cisco Integrated Services Router Hardware Installation Guide
OL-27407-01
Chapter1 Product Overview Cisco 810 Series
Hardware Features
This section provides an overview of the following hardware features for the Cisco 819 ISR.
•Platform Features for Cisco 819 ISRs, page1-19
•Antennas, page 1-21
•Power Switch, page1-21
•Reset Button, page 1-21
•LEDs, page 1-21
•Memory, page1-25
•Embedded 3G Modem, page 1-26
•Embedded 4G LTE Modem, page1-26
•SIM Card, page 1-26
•Supported Cisco Antennas and Cables, page1-27
•Serial Port, page 1-31
•Power Supply, page1-32
•Accessories, page 1-33
Note The WAAS Express feature is not supported. This feature will be supported for 3G and 4G interfaces
with later IOS releases.

Platform Features for Cisco 819 ISRs

Table 1 -7 lists the platform features comparison for the Cisco 819 ISRs.
Table1-7 Cisco 819 ISRs Platform Features
Platform Features
Cisco 819HG
Cisco 819G
(with 3G)
Cisco 819HGW
Cisco 819HWD
(with WiFi)
Cisco 819HG-4G
Cisco 819G-4G
(with 4G LTE)
512 MB DRAM Yes — —
1 GB DRAM — Yes Yes
1 Gigabit Ethernet
WAN p or t Yes Yes Ye s
12-in-1 serial
interface Ye s Yes Yes
256 KB of NVRAM
storage Yes Yes Ye s
256 Compact Flash
support in IDE mode
(internal)
Yes — —