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Aruba 303 Series

Low-cost 802.11ac Wave 2 Enterprise Access Points


The affordable 303 Series 802.11ac Wave 2 campus access points deliver high performance to medium density enterprise environments such as schools, retail branches, warehouses, hotels and enterprise offices, where the environment is cost sensitive. As a Unified AP, they can be operated with (ArubaOS mode) or without a controller (InstantOS mode).

The AP-303P includes a second Ethernet port with PoE out to daisy-chain the wired network to connect and power any network device such as IP camera, IoT gateway, or even a second access point. This feature results in reducing the cost and simplifying the installation of multiple devices by sharing switch ports and cabling. The AP-303P has integrated Zigbee radio for IoT connectivity.

With an integrated Bluetooth radio, the 303 APs can be used as an Aruba beacon for advanced location and indoor wayfinding, asset tracking, and proximity-based push notification services. Also for improved network simplicity and security, Dynamic Segmentation automatically enforces real-time device-level access policies on Aruba wired and wireless networks.

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Get a big performance advantage
Protect service quality over the air
Integrated Bluetooth Beacon
Patented ClientMatch™ technology improves performance and eliminates sticky client behavior while roaming.

AppRF technology enables prioritization and policy enforcement for business-critical enterprise apps like Microsoft Skype for Business.

Aruba ClientMatch software groups Wave 2 clients together, enabling MU-MIMO. That means a faster, more efficient network.
303 Series Ordering Guide
Which AP is Right for You?
Aruba ClientMatch

View all the part numbers and accessories you will need to order a 303 AP.

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View and compare Aruba’s complete portfolio of enterprise wireless LAN APs.

See how Aruba MU-MIMO aware ClientMatch delivers the performance gains promised by Wave 2.

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  • Unified AP – deploy with or without controller

    The 303 Series access points can be deployed in either controller-based (ArubaOS) or controller-less (InstantOS) deployment mode

    Dual Radio 2×2 802.11ac access point with Multi-User MIMO (wave 2)

    Supports up to 867Mbps in the 5GHz band (with 2SS/VHT80 client devices) and up to 300Mbps in the 2.4GHz band (with 2SS/HT40 clients)

    Backwards compatible with 100/1000Base-T

    Built-in Bluetooth Low-Energy (BLE) radio

    Enables location based services with BLE-enabled mobile devices receiving signals from multiple Aruba Beacons at the same time

    Enables asset tracking when used with Aruba Asset Tags

    Advanced Cellular Coexistence (ACC)

    Minimizes interference from 3G/4G cellular networks, distributed antenna systems and commercial small cell/femtocell equipment

    Quality of service for unified communications applications

    Supports priority handling and policy enforcement for unified communication apps, including Skype for Business with encrypted videoconferencing, voice, chat and desktop sharing

    Aruba AppRF technology leverages deep packet inspection to classify and block, prioritize or limit bandwidth for over 1,500 enterprise apps or groups of appsRF Management

    Adaptive Radio Management (ARM) technology automatically assigns channel and power settings, provides airtime fairness and ensures that APs stay clear of all sources of RF interference to deliver reliable, high-performance WLANs

    The Aruba 303 Series Access Points can be configured to provide part-time or dedicated air monitoring for spectrum analysis and wireless intrusion protection, VPN tunnels to extend remote locations to corporate resources, and wireless mesh connections where Ethernet drops are not available

    Spectrum analysis

    Capable of part-time or dedicated air monitoring, the spectrum analyzer remotely scans the 2.4GHz and 5GHz radio bands to identify sources of RF interference from HT20 through VHT80 operation


    Integrated wireless intrusion protection offers threat protection and mitigation, and eliminates the need for separate RF sensors and security appliances

    IP reputation and security services identify, classify, and block malicious files, URLs and IPs, providing comprehensive protection against advanced online threats

    Integrated Trusted Platform Module (TPM) for secure storage of credentials and keys


The Aruba 303 Series Access Points offer a choice of deployment and operating modes to meet your unique management and deployment requirements:

The 303 Series AP is a unified AP that supports both controller-based and controller-less deployment modes, providing maximum flexibility.

Controller-based mode – When deployed in conjunction with an Aruba Mobility Controller, Aruba 303 Series Access Points offer centralized configuration, data encryption, policy enforcement and network services, as well as distributed and centralized traffic forwarding.

Controller-less (Instant) mode – The controller function is virtualized in a cluster of APs in Instant mode. As the network grows and/or requirements change, Instant deployments can easily migrate to controller-based mode.

Remote AP (RAP) mode for branch deployments

Air monitor (AM) for wireless IDS, rogue detection and containment

Spectrum analyzer (SA), dedicated or hybrid, for identifying sources of RF interference

Secure enterprise mesh portal or point

For large installations across multiple sites, the Aruba Activate service significantly reduces deployment time by automating device provisioning, firmware upgrades, and inventory management. With Aruba Activate, the Instant APs are factory-shipped to any site and configure themselves when powered up.


Hardware Variants

AP-303 models: single Ethernet

AP-303P models: second Ethernet with PoE out


AP type: Indoor, dual radio, 5GHz 802.11ac 2×2 MIMO and 2.4GHz 802.11n 2×2 MIMO

5GHz (radio 0):

Two spatial stream Single User (SU) MIMO for up to 867Mbps wireless data rate to individual 2SS VHT80 client devices

Two spatial stream Multi User (MU) MIMO for up to 867Mbps wireless data rate to two 1SS MU-MIMO capable client devices simultaneously

2.4GHz (radio 1):

Two spatial stream Single User (SU) MIMO for up to 300Mbps wireless data rate to individual 2SS HT40 client devices

Support for up to 256 associated client devices per radio, and up to 16 BSSIDs per radio

Supported frequency bands (country-specific restrictions apply):

2.400 to 2.4835GHz

5.150 to 5.250GHz

5.250 to 5.350GHz

5.470 to 5.725GHz

5.725 to 5.850GHz

Available channels: Dependent on configured regulatory domain

Dynamic frequency selection (DFS) optimizes the use of available RF spectrum

Supported radio technologies:

802.11b: Direct-sequence spread-spectrum (DSSS)

802.11a/g/n/ac: Orthogonal frequency-division multiplexing (OFDM)

Supported modulation types:

802.11b: BPSK, QPSK, CCK

802.11a/g/n/ac: BPSK, QPSK, 16-QAM, 64-QAM, 256-QAM

Transmit power:

Configurable in increments of 0.5dBm

Maximum (aggregate, conducted total) transmit power (limited by local regulatory requirements):

2.4GHz band: +21dBm (18dBm per chain)

5GHz band: +21dBm (18dBm per chain)

Note: conducted transmit power levels exclude antenna gain. For total (EIRP) transmit power, add antenna gain

Advanced Cellular Coexistence (ACC) minimizes the impact of interference from cellular networks

Maximum ratio combining (MRC) for improved receiver performance

Cyclic delay/shift diversity (CDD/CSD) for improved downlink RF performance

Short guard interval for 20MHz, 40MHz and 80MHz channels

Space-time block coding (STBC) for increased range and improved  reception

Low-density parity check (LDPC) for high-efficiency error correction  and  increased throughput

Transmit beam-forming (TxBF) for increased signal reliability and range

Supported data rates (Mbps):

802.11b: 1, 2, 5.5, 11

802.11a/g: 6, 9, 12, 18, 24, 36, 48, 54

802.11n: 6.5 to 300 (MCS0 to MCS15)

802.11ac: 6.5 to 867 (MCS0 to MCS9, NSS = 1 to 2)

802.11n high-throughput (HT) support: HT20/40

802.11ac very high throughput (VHT) support: VHT20/40/80

802.11n/ac packet aggregation: A-MPDU, A-MSDU


AP-303: Internal antenna models.

Two vertically polarized dual-band downtilt omni-directional antennas for 2×2 MIMO with peak antenna gain of 3.3dBi (2.4GHz) and 5.9dBi (5GHz) per antenna.

The antennas are optimized for horizontal ceiling mounted orientation of the AP. The downtilt angle for maximum gain is roughly 30 degrees.

Combining the patterns of both antennas per radio, the peak gain of the average (effective) pattern is 2.1dBi in 2.4GHz and 4.6dBi in 5GHz.


E0: One 10/100/1000BASE-T Ethernet network interface (RJ-45)

Auto-sensing link speed and MDI/MDX

POE-PD: 48Vdc (nominal) 802.3af POE

E1 (AP-303P models only): One 10/100/1000BASE-T

Radio status – Zigbee 802.15.4 radio (AP-303P models only)

DC power interface, accepts 2.1/5.5-mm center-positive circular plug with 9.5-mm length

Bluetooth Low Energy (BLE) radio

Up to 3dBm transmit power (class 2) and -93dBm receive sensitivity

Integrated vertically polarized omnidirectional antenna with roughly 30 degrees downtilt and peak gain of 4.5dBi

Visual indicators (tri-color LEDs): for System and Radio status

Reset button: factory reset (during device power-up), LED mode control (normal/off)

Serial console interface (proprietary, µUSB physical jack)

Kensington security slot


The AP supports direct DC power and Power over Ethernet (PoE)

When both power sources are available, DC power takes priority over PoE

Power sources are sold separately

AP-303 models:

Direct DC source: 12Vdc nominal, +/- 5%

DC power interface accepts 2.1/5.5-mm center-positive circular plug with 9.5-mm length

Power over Ethernet (PoE): 48Vdc (nominal) 802.3af compliant source

Maximum (worst-case) power consumption: 10.1W (PoE) or 8.8W (DC)

Maximum (worst-case) power consumption in idle mode: 4.2W (PoE) or 4.0W (DC)

AP-303P models:

Direct DC source: 48Vdc nominal, +/- 5%

DC power interface accepts 1.35/3.5-mm center-positive circular plug with 9.5-mm length

Power over Ethernet (PoE-PD) on E0: 48Vdc (nominal) 802.3af/at/bt compliant source

PoE-PSE function on E1 disabled when powered by 802.3af PoE

Maximum (worst-case) power consumption: 11.3 (PoE) or 11.5 (DC)

Maximum (worst-case) power consumption in idle mode: 6.8 (PoE) or 7.0 (DC)

Power consumption numbers exclude power to support PoE-PSE function on E1


The AP ships with a (black) mount clips to attach to a 9/16-inch or 15/16-inch flat T-bar drop-tile ceiling.

Several optional mount kits are available to attach the AP to a variety of surfaces; see the Ordering Information section below for details.


Dimensions and weight (unit, excluding mount accessories):

150mm (W) x 150mm (D) x 35mm (H) or 5.9″ (W) x 5.9″ (D) x 1.4″ (H)

260g or 9.2oz

Dimensions and weight (shipping):

190mm (W) x 180mm (D) x 60mm (H) or 7.4″ (W) x 7.0″ (D) x 2.4″ (H)

410g or 14.5oz



Temperature: 0° C to +40° C (+32° F to +104° F)

Humidity: 5% to 93% non-condensing

Storage and transportation:

Temperature: -40° C to +70° C (-40° F to +158° F)



CE Marked

RED Directive 2014/53/EU

EMC Directive 2014/30/EU

Low Voltage Directive 2014/35/EU

UL/IEC/EN 60950

EN 60601-1-1 and EN 60601-1-2

For more country-specific regulatory information and approvals, please see your Aruba representative.


AP-303: APIN0303


MTBF: 795khrs (91yrs) at +25C operating temperature


CB Scheme Safety, cTUVus

UL2043 plenum rating

Wi-Fi Alliance (WFA) certified 802.11a/b/g/n/ac

Passpoint® (Release 2) with ArubaOS and Instant 8.3+


Aruba limited lifetime warranty

  • AP-303 models: ArubaOS & Aruba InstantOS
  • AP-303P models: ArubaOS & Aruba InstantOS

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