A-8
Cisco Integrated Services Router Hardware Installation Guide
OL-27407-01
AppendixA Technical Specifications
Cisco 810 Series
Mean Time Between Failure Ground Benign Environment
Table A -4 lists the Mean Time Between Failure (MTBF) values for Cisco 819 ISRs. The MTBF is
calculated based on the Ground Benign condition. The values may be adjusted based on the different
router usage.
Antenna (Diversity and Antenna 3G-ANTM1919D)
Antenna Dimensions 7.63 x 0.94 x 0.63 in (19.38 x 2.39 x 1.60 cm)
Frequency Range 806 to 960 MHz and 1710 to 2170 MHz
Gain 0 decibels relative to isotropic (dBi) (806 to 960 MHz) and 0 dBi (1710 to 2170 MHz)
Maximum Power 25 W
Connector TNC male
Voltage Standing Wave
Ratio < 2.5:1
Nominal Impedance 50 ohms
1. AC Power Adapter is not IP 41 rated. Installation must include protection of the adapter and power plug from water.
2. Contact Martek Power directly for details.
TableA-3 Cisco 819 ISR Specifications (continued)
Description
Hardened Design
Specification
(Cisco 819HG and Cisco
819HG-4G ISRs)
Non-Hardened Design
Specifications
(Cisco 819G and Cisco
819G-4G ISRs)
Hardened Design Specifications
(C819HGW and C819HWD ISRs)
TableA-4 MTBF Values
SKUs MTBF (hours)
Cisco 819HG and Cisco 819G ISRs
C819HG-U-K9
C819G-U-K9
380,000
C819HG+7-A-K9
C819HG+7-K9
C819G+7-A-K9
C819G+7-K9
420, 000
C819HG-S-K9
C819HG-V-K9
C819HG-B-K9
C819G-S-K9
C819G-V-K9
C819G-B-K9
280, 000
Cisco 819HGW, Cisco 819HWD, and Cisco 819H ISRs