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White square ceiling-mounted wireless access point with status LED

Cisco Systems, Inc.

Cisco Systems, Inc. CBW240ACB access point

SKU CH-D126-SM4RQ MPN CBW240ACB

Wireless access point supporting 802.11ac Wave 2 with MU-MIMO for up to 400 users and 1.69 Gbit/s throughput

  • Interface type2 x Gigabit (10/100/1000BASE-T autosensing), Power over Ethe
  • Number of users400
  • Supported standardsIEEE 802.3 IEEE 802.3ab IEEE 802.3af/at IEEE 802.11 a/b/g/n/
  • Wireless speed802.11b: 1, 2, 5.5, and 11 Mbit/s 802.11a/g: 6, 9, 12, 18, 2
  • Security featuresWi-Fi Protected Access 2 (WPA2 ); WPA3 is coming in a future
  • Antenna configurationOmnidirectional Antenna
  • Supports up to 400 concurrent users
  • 69 Gbit/s maximum wireless data rate
  • 4x4 MU-MIMO with four spatial streams
  • Mesh technology extends coverage across sites
  • Powered by PoE with dual Gigabit ports

Cisco Business 240AC Wireless Access Point

The Cisco Business 240AC is a compact wireless access point built for small-to-midsize enterprise networks. It supports IEEE 802.11ac Wave 2 with 4x4 MU-MIMO and four spatial streams. The unit handles up to 400 concurrent users and delivers a maximum wireless data rate of 1.69 Gbit/s. It is designed for businesses that need predictable Wi-Fi performance in a small form factor.

Dual Gigabit Ethernet and PoE power

Two autosensing Gigabit Ethernet ports provide wired uplinks and Power over Ethernet (PoE) input, removing the need for a separate power supply. A USB 2.0 port and an RJ-45 console port are present on the hardware but are not functional in the current firmware. The status LED conveys boot loader state, association status, operating status and any boot warnings or errors.

Ceiling or wall mount with standard PoE

The access point measures 7 x 7 x 1.5 inches without brackets and weighs 0.94 lb. It mounts to a ceiling or wall using the included hardware and powers up over any IEEE 802.3af/at PoE source. Installers should note that the console and USB ports cannot be used for configuration or debugging, so initial setup must be done over the network. The RJ-45 console port is non-functional.

How it compares

Measured against everything we stock in Wi-Fi Access Points, at today’s prices. Recalculated every night.

Price $168.99
Cheaper than about 62% of the 782 comparable items (median $253.99).

Specifications

Product
Brand nameCisco Systems, Inc.
Product line200
Model name240AC
Part numberCBW240AC-B
Connectivity
Supported standardsIEEE 802.3
IEEE 802.3ab
IEEE 802.3af/at
IEEE 802.11 a/b/g/n/ac
IEEE 802.11h, 802.11d
Wireless speed802.11b: 1, 2, 5.5, and 11 Mbit/s
802.11a/g: 6, 9, 12, 18, 24, 36, 48, and 54 Mbit/s
802.11n data rates on 2.4 GHz and 5 GHz: 6.5 to 600 Mbit/s (only 20 MHz and MCS 0 to MCS 15)
802.11ac data rates (5 GHz): 6.5 to 1,733 Mbit/s (MCS0-MCS9)
Antenna configurationOmnidirectional Antenna
Ports & slots
Interface type2 x Gigabit (10/100/1000BASE-T autosensing), Power over Ethernet (PoE)
RJ-45 console port (not functional)
USB 2.0 (not functional)
Size & build
Product dimensionsAccess point (without mounting brackets): 7 × 7 × 1.5 in
Product weight0.94 lb (0.43 kg)
Shipping weight1.36 kg
Package size224 × 208 × 76 mm
Environment & compliance
CertificationsSafety:
IEC 60950-1
EN 60950-1
AS/NZS 60950.1
UL 60950-1
CAN/CSA-C22.2 No. 60950-1
UL 2043
Class III Equipment
More details
Number of users400
Security featuresWi-Fi Protected Access 2 (WPA2 ); WPA3 is coming in a future release
802.1X, Remote Authentication Dial-In User Service (RADIUS); Authentication, Authorization, and
Accounting (AAA)
Segmentation via VLANs (up to 16)
802.11r and 802.11i
Guest network can also authenticate against: Google and Facebook
Indicator lightsStatus LED indicates boot loader status, association status, operating status, boot loader warnings, boot loader errors

Questions about this item

How often will the omnidirectional antenna need replacement under normal operation?

The omnidirectional antenna is integrated into the access point and has no user-serviceable parts, so no scheduled replacement is required.

At what point does the 400-user capacity limit affect performance during sustained high-density use?

The access point supports up to 400 connected users; beyond that threshold, association requests may be rejected or throughput per client will degrade.

What heat output and power draw should I expect when the unit runs 24/7 on PoE?

Powered via IEEE 802.3af/at PoE, the access point draws up to the PoE class limit and operates within the 0.94 lb chassis without a fan, so heat is dissipated passively.

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