The Cisco 891, Cisco 892, and Cisco 892F come with three removable dipole antennas that can be
replaced using the Cisco approved antenna extenders listed in Table1-52.
NoteCisco supports only the antennas listed in Table1-52 with the Cisco 890 series dual-band radio module.
Single-band
802.11b/g/n
radio module
Cisco 880 series routers
with embedded WLAN
antennas
2.4 GHz100 Mb/s per radio,
up to 200 Mb/s
total
Autonomous and
unified
Three embedded,
omnidirectional
antennas: 2 dBi at
2.4 GHz
Dual-band
802.11a/n and
802.11b/g/n
radio modules
2.4 GHz
and
5 GHz
Three embedded,
dual-band,
omnidirectional
antennas: 2 dBi at
2.4 GHz and 5 dBi at
5 GHz
Dual-band
simultaneous
802.11a/n and
802.11b/g/n
radio modules
Cisco 8902.4 GHz
and 5 GHz
100 Mb/s per radio,
up to 200 Mb/s
total
Autonomous and
unified
Three dual-band,
removable,
2.4-GHz/5-GHz
omnidirectional dipole
RP-TNC antenna
2
1.Actual data rate is highly dependent on your wireless environment.
2.The antennas require some minor installation. They must be screwed onto the RP-TNC antenna connectors on the I/O side of the chassis. See the following
document on Cisco.com for feature information: http://www.cisco.com/en/US/docs/routers/access/wireless/hardware/notes/antdip.html
Table 1-51Wireless Device Radios and Antennas
Radio ModulePlatformRadio Band
Maximum Data
Throughput
1
ModeAntenna
Table 1-52Cisco Antennas Supported on the Cisco890 Series ISRs
Cisco Part NumberAntenna TypeMaximum GainDescription
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