CISCO IP PHONE 8821

The CP-8821-K9 is a compact and powerful wireless IP phone designed to deliver exceptional communication experiences. With its sleek and portable design, this phone offers flexibility and mobility, allowing you to stay connected in any work environment. Experience high-quality voice calls and seamless connectivity with the CP-8821-K9, making it the perfect companion for modern professionals on the go.

Specifications
ItemSpecifications
Display 2.4-in. (6-cm) color display with 240 x 320 pixel resolution
Dimensions (HxWxD) Phone: 5.2 x 2.2 x 0.7 in. (13.2 x 5.6 x 1.7 cm)
Battery: 7.8 x 2.9 x .165 in. (10.15 x 4.17 x .42 cm)
Weight Device 4.4 oz (126 g), battery 1.3 oz (37 g), total = 5.7 oz (163 g)
Battery Rechargeable Lithium ion 4.35V, 2060mAh smart battery (minimal capacity 3.8V, 2000mAh)
 For battery life information refer to the Battery Performance section later in this document
Input power Phone: 100 to 240 VAC, ~0.2A, and 50 to 60 Hz
 AC adapters (by geographical region)
Operating temperature Device: 14° to 122°F (-10° to 50°C)
 Battery: -4° to 140°F (-20° to 60°C)
Storage temperature Device: -22° to 140°F (-30° to 60°C)
 Battery: -4° to 113°F (-20° to 45°C)
Relative humidity 10% to 95% (noncondensing)
Vibration 1.5 Grms maximum, 0.1 in. (2.5 mm) double amplitude at 0.887 octaves per minute from 5-500-5 Hz sweep, and 10-minute dwell on three major peaks in each of the three major mutually perpendicular axes
Thermal shock -22°F (-30°C) 1 hour; 158°F (70°C) 1 hour
Altitude Certified for operation: 0 to 6500 ft (0 to 2 km)
Endurance Ingress Protection Standard IP54
 MIL-STD-810G Drop and Vibration procedures
Drop specs Withstand multiple drops of 5 feet (1.5 m) onto concrete. 12 drops (6 faces, 4 edges, face, and bottom)
Headset Wireless: Bluetooth SW 3.0 HW 4.0
 Wired: 3.5 mm stereo headphone/microphone jack
Connector Magnetic USB 2.0 On The Go (OTG) connector


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