Cisco Unified Wireless IP Phone 7920 Administration Guide for Cisco Unified CallManager Releases 4.2 and 5.0 (SCCP)
Physical and Operating Environment Specifications

Table Of Contents

Physical and Operating Environment Specifications

Physical and Operating Environment Specifications

The following section describes the technical specifications for the Cisco Unified Wireless IP Phone 7920. Table C-1 shows the physical and operating environment specifications.

Table C-1 Physical and Operating Environmental Specifications 

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)


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 Unified Wireless IP Phones should be within 500 to 1000 feet of an access point

Desktop Charger Height

75 mm (3.0 in.)

Desktop Charger Width

93 mm (3.7 in.)

Desktop Charger Depth

129 mm (5.1 in.)