Cisco 8821 Guide

Cisco Wireless IP Phone 8821 and 8821-EX Wireless LAN Deployment Guide
12
http://www.cisco.com/c/en/us/products/collateral/wireless/aironet-antennas-
accessories/product_data_sheet09186a008008883b.html
All indoor Cisco Meraki access points have internal antennas and all outdoor Cisco Meraki access points require external
antennas.
https://meraki.cisco.com/products/wireless/antennas-power
3
rd
party antennas are not supported, as there is no interoperability testing performed against 3
rd
party antennas including
Distributed Antenna Systems (DAS) and Leaky Coaxial Systems.
Please refer to the following URL for more info on Cisco Wireless LAN over Distributed Antenna Systems.
http://www.cisco.com/c/en/us/products/collateral/wireless/aironet-1130-ag-series/positioning_statement_c07-565470.html
Note: Cisco Access Points with integrated internal antennas (other than the W series) are to be mounted on the ceiling as they
have omni-directional antennas and are not designed to be wall mounted.
Protocols
Supported voice and wireless LAN protocols include the following:
• 802.11a,b,d,e,g,h,i,n,r,ac
• Wi-Fi MultiMedia (WMM)
• Traffic Specification (TSPEC)
• Traffic Classification (TCLAS)
• Simple Certificate Enrollment Protocol (SCEP)
• Session Initiation Protocol (SIP)
• Real Time Protocol (RTP)
• G.722, G.711, iSAC, iLBC, G.729
• Cisco Discovery Protocol (CDP)
Wi-Fi
The following table lists the data rates, ranges, and receiver sensitivity info for Cisco Wireless IP Phone 8821 and 8821-EX.
5 GHz Specifications
5 GHz - 802.11a
Data Rate
Modulation
Receiver Sensitivity
Max Tx Power = 14 dBm
(Depends on region)
6 Mbps
OFDM - BPSK
-94 dBm
9 Mbps
OFDM - BPSK
-93 dBm
12 Mbps
OFDM - QPSK
-92 dBm
18 Mbps
OFDM - QPSK
-89 dBm
24 Mbps
OFDM - 16 QAM
-86 dBm

Cisco 8821 Specifications

General

Wi-Fi	Yes
Ethernet LAN	No
Wi-Fi standards	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version	3.0+HS
Security algorithms	EAP-FAST, EAP-TLS, PEAP, WPA
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
USB 2.0 ports quantity	1
Voice codecs	G.711, G.711a, G.722, G.729, G.729ab, iLBC
Volume control	Digital
Product type	IP mobile phone
Product color	Black
Input frequency	50 - 60 Hz
AC adapter input voltage	100 - 240 V
AC adapter output current	0.2 A
Display diagonal	2.4 \
Display resolution	240 x 320 pixels
Frequency band	2.412, 2.472, 5.180, 5.240, 5.260, 5.320, 5.500, 5.700, 5.745, 5.825 GHz
Lines quantity	- lines
Phonebook capacity	- entries
Storage temperature (T-T)	-30 - 60 °C
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
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 15 B ● ICES-003 B ● EN 55022 B ● AS/NZS CISPR 22 B ● CISPR 22 B ● VCCI B ● EN 61000-3-2 ● EN 61000-3-3 ● KN 22 B ● EN 55024 ● EN 50082-1 ● EN 61000-6-1 ● EN61000-6-3 ● EN 300386 ● EN 60601-1-2 ● KN
Number of handles included	1 pc(s)
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	17 mm
Width	56 mm
Height	132 mm
Weight	126 g