Cisco 8821

CHAPTER 11
Technical Specifications
•
Physical and Operating Environment, page 133
•
Bluetooth Technology, page 134
•
Headset Usage, page 135
Physical and Operating Environment
The following table shows the physical and operating environment specifications for the Cisco Wireless IP
Phone 8821 and 8821-EX.
Table 20: Physical and Operating Specifications
8821-EX
Value or Range
8821
Value or Range
Specification
14° to 122°F (-10° to 50°C)14° to 122°F (-10° to 50°C)Operating temperature
10% to 95% (noncondensing)Operating: 10% to 95%
(non-condensing)
Non-operating: 10% to 95%
(non-condensing)
Operating relative humidity
-22° to 140°F (–30° to 60°C)-22° to 140°F (–30° to 60°C)
Storage temperature
6 ft (1.8 m) to concrete without
carrying case
6 ft (1.8 m) to concrete without
carrying case
Drop Specification
-22°F (-30°C) for 24 hours to up to
158°F (+70°C) for 24 hours
-22°F (-30°C) for 24 hours to up to
158°F (+70°C) for 24 hours
Thermal Shock
Cisco Wireless IP Phone 8821 and 8821-EX Administration Guide for Cisco Unified Communications Manager
133