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White rectangular outdoor wireless access point with integrated directional antenna and four signal LEDs

Ubiquiti Networks

Ubiquiti Networks Nanostation NSM5 5 GHz 802.11 a/n access point

SKU CH-CQ0W-EXHRX

5 GHz 802.11 a/n outdoor access point with 16 dBi gain, 20 dBm output and 2×2 MIMO airMAX TDMA

  • High-gain 16 dBi antenna focuses 5 GHz signals for long-range links
  • airMAX TDMA protocol schedules client time slots to cut collisions and boost throughput
  • 2x2 MIMO with 20 dBm minimum transmit power delivers strong carrier-class performance
  • Dual Ethernet ports plus intelligent PoE simplify wiring and power delivery
  • Four LED signal indicators give instant visual alignment feedback at a glance

5 GHz 802.11 a/n wireless access point

The Ubiquiti Nanostation NSM5 operates in the 5.745 to 5.825 GHz band with 802.11 a/n support. It integrates airMAX TDMA protocol and 2x2 MIMO for carrier-class point-to-point or point-to-multipoint links. The unit delivers a minimum 20 dBm transmit power and 16 dBi antenna gain. It is suited for ISPs and installers building long-range outdoor networks.

Practical limits of the 5 GHz 802.11 a/n interface

The radio is confined to the 5.745-5.825 GHz frequency range and the 802.11 a/n standard. Throughput and link distance depend on regulatory power limits, clear line of sight and interference from other 5 GHz devices. The airMAX TDMA scheduler reduces hidden-node collisions but requires compatible Ubiquiti stations at both ends. Maximum power draw is 8 W.

What to check before ordering

Verify that your region permits operation in the 5.745-5.825 GHz band at the stated power levels. Ensure the mounting location provides unobstructed line of sight to the remote site. Confirm you have a PoE injector or switch capable of powering the device over its dual Ethernet ports. The station is not designed for indoor client access or mesh roaming.

Highlights

  • High-gain 16 dBi antenna focuses 5 GHz signals for long-range links
  • airMAX TDMA protocol schedules client time slots to cut collisions and boost throughput
  • 2x2 MIMO with 20 dBm minimum transmit power delivers strong carrier-class performance
  • Dual Ethernet ports plus intelligent PoE simplify wiring and power delivery
  • Four LED signal indicators give instant visual alignment feedback at a glance

Specifications

No published specifications for this item yet.

Questions about this item

Which frequency range and gain version of the Nanostation NSM5 should I select?

The NSM5 operates in the 5.745-5.825 GHz band with a fixed 16 dBi integrated antenna, so there is no separate version or capacity to choose.

What does the 20 dBm minimum transmit power mean for real-world link distance?

A 20 dBm minimum output combined with the 16 dBi gain provides a high EIRP suitable for long-range carrier-class links, though actual distance depends on line-of-sight, interference and regulatory limits.

How does the airMAX TDMA protocol affect throughput on the 802.11 a/n interface?

The airMAX TDMA scheduler assigns dedicated time slots to each client, eliminating hidden-node collisions and delivering more consistent throughput than standard 802.11 a/n CSMA/CA operation.

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