Cisco CP-8821-K9-BUN

Cisco 8821 Wireless handset Wi-Fi – IP phone

  • Wireless IP Phone 8821 World mode device bundle
  • 2.4 – 5GHz, 802.11a/b/g/n/ac
  • Bluetooth 3.0, 3.0 dBi
  • QoS, 6.096 cm (2.4 “) 240 x 320, IP67, 126 g
SKU: CP-8821-K9-BUN/GR3 Category:


The Cisco© Wireless IP Phone 8821 is a ruggedized, resilient, and secure 802.11 wireless LAN handset that delivers cost-effective, on-premises, comprehensive voice over wireless LAN (VoWLAN) communications for the highly mobile in-campus worker. The 8821 is specifically designed for workers whose roles are in more rigorous, industrial settings. Examples of ideal use cases include nurses and doctors in healthcare, operations and engineering staff in manufacturing, customer service representatives in retail, service staff such as maids in hospitality, and workers on rigs in the oil and chemical industries. While the 8821 is sleek and lightweight, the design is hardened for users. It is Ingress Protection standard (IP67) rated and is sealed for protection against dust, splash and water.

The device is also MIL-STD-810G tested, with a dozen drops onto concrete from heights of up to 6 feet (1.8 m), to help ensure shock resistance and avoid breakage if dropped. The 8821 enhances security and simplifies configuration management. Stronger encryption is supported for certificate management and policy enablement with the support of Secure Hash Algorithm 2 (SHA-2). Simple Certificate Enrollment Protocol (SCEP) eases IT administration by enabling automatic certificate management on the device.

End users will enjoy a larger, higher-resolution color display and a user experience that is common with Cisco IP Phone 8800 Series desk phones. In addition, roaming between access points within the campus will support more seamless voice communications with the 8821’s support of Fast Transition (802.11r).

This protocol was specifically designed for mobile voice over IP (VoIP) communications devices within Wi-Fi networks. Bluetooth is supported for the user’s choice of third-party wireless headsets and adds freedom by untethering the user from the handset. The 8821 supports Cisco and/or third-party XML applications such as push-to-talk. Features The Cisco Wireless IP Phone 8821 is designed for users in rigorous workspaces as well as general office environments. It supports a wide range of features for enhanced voice communications, quality of service (QoS), and security.


Technical details
Integrated voicemail Yes
Handset type Wireless handset
Built-in camera No
Device lock Yes
Data transfer rate 54 Mbit/s
Volume control Digital
Speakerphone Yes
Touchscreen No
Display resolution 240 x 320 pixels
Display diagonal 6.1 cm (2.4″”)
Phone features
Call transfer Yes
Vibrating alert Yes
Frequency band 2.412, 2.472, 5.180, 5.240, 5.260, 5.320, 5.500, 5.700, 5.745, 5.825
Speed dialing Yes
Redialing Yes
Intercom Yes
Full duplex Yes
Conference call Yes
Caller ID Yes
Call waiting Yes
Call pick up Yes
Call park Yes
Call hold Yes
Call forwarding Yes
Voice codecs G.711,G.711a,G.722,G.729,G.729ab,iLBC
Networking standards IEEE 802.11a,IEEE 802.11ac,IEEE 802.11b,IEEE 802.11d,IEEE 802.11e,IEEE 802.11g,IEEE 802.11n,IEEE 802.11r
Bluetooth version 3.0
Wi-Fi standards IEEE 802.11a,IEEE 802.11ac,IEEE 802.11b,IEEE 802.11g,IEEE 802.11n
Wi-Fi Yes
Syslog Yes
Quality of Service (QoS) support Yes
Ethernet LAN No
DHCP client Yes
Bluetooth Yes
Built-in camera No
Security algorithms EAP-FAST,EAP-TLS,PEAP,WPA
Ports & interfaces
USB 2.0 ports quantity 1
Microphone in Yes
Headphone outputs 1
AC adapter output current 0.2 A
Battery voltage 4.35 V
Talk time 13 h
Standby time 240 h
Power over Ethernet (PoE) No
Input frequency 50 – 60
Battery technology Lithium-Ion (Li-Ion)
Battery capacity 2060 mAh
AC adapter input voltage 100 – 240 V
Weight & dimensions
Width 56 mm
Depth 17 mm
Height 132 mm
Weight 163 g
Operational conditions
Storage temperature (T-T) -30 – 60 °C
Storage relative humidity (H-H) 10 – 95%
Operating temperature (T-T) -10 – 50 °C
Operating relative humidity (H-H) 10 – 95%
Colour of product Black
Safety UL 60950-1, CAN/CSA 60950-1, EN 60950-1, IEC 60950-1, AS/NZS 60950.1, IEC 60529 (IP 67)
Certification ● 47 CFR Part 15 Class B
● ICES-003 Class B
● EN 55022 Class B
● AS/NZS CISPR 22 Class B
● CISPR 22 Class B
● VCCI Class B
● EN 61000-3-2
● EN 61000-3-3
● KN 22 Class B
● EN 55024
● EN 50082-1
● EN 61000-6-1
● EN61000-6-3
● EN 300386
● EN 60601-1-2
● KN Immunity Series
Packaging content
Cables included AC
AC adapter included Yes
Number of handles included 1 pc(s)

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