The following section describes the technical specifications for the Cisco Wireless IP Phone 7920. Table C-1 shows the physical and operating environment specifications.
Table C-1 Physical and Operating Environmental Specifications
Specification
Value or Range
Operating temperature
0° to 45°C (32° to 113°F)
Operating Relative Humidity
10% to 95% (non-condensing)
Storage Temperature
-30° to 60°C (22° to 140°F)
Drop Specification
1 meter to concrete
Thermal Shock
-30 C for 24 hours to up to +70 C for 24 hours
Phone Height
132.1 mm (5.2 in.)
Phone Width
53.3 mm (2.1 in.)
Phone Depth
25.4 mm (1 in.)
Phone Weight (with Standard Battery)
136.1 g (4.8 oz)
Power
•1440/1560mA—Standard lithium ion battery
•1960mA— Extended lithium ion battery
•100-240 VAC, 50-60 Hz, 0.5 A—when using the AC adapter
Distance Requirements
As supported by the 802.11b specification, the Cisco Wireless IP Phones should be within 500 to 1000 feet of an access point
Feedback
1440/1560mA—Standard lithium ion battery