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White circular ceiling-mounted wireless access point with subtle LED ring

Mikrotik

Mikrotik cAP ac US Dual-band 802.11ac Wireless Access Point

SKU CH-GJK3-V57H1

Dual-band ceiling access point with 360-degree coverage, two Gigabit Ethernet ports and PoE input plus output, locked to US frequency ranges

  • 360-degree wireless coverage from ceiling or wall mount
  • Dual-band 2.4 / 5 GHz radio for concurrent client support
  • Two Gigabit Ethernet ports with PoE input and output
  • Factory-locked US frequencies 2412-2462, 5170-5250, 5725-5835 MHz
  • 3 af/at PoE input on first port powers the unit

Dual-band ceiling access point

The Mikrotik cAP ac US is a concurrent dual-band wireless access point designed for ceiling or wall mounting. It delivers 360-degree coverage using 2.4 GHz and 5 GHz radios with dual-chain operation. The unit includes two Gigabit Ethernet ports, one providing passive PoE output for downstream devices. This model is factory locked to US frequency ranges and cannot be reconfigured for other regions.

Thermals noise and power draw

The access point operates silently with no moving parts, relying on passive cooling through its enclosure. It accepts 802.3af/at PoE input on the first Ethernet port, drawing power from a compatible switch or injector. The second port supplies passive PoE output to power another device such as a camera or secondary access point. Power consumption scales with wireless load and attached PoE devices.

Mounting kit and RouterOS

The package includes mounting hardware for ceiling or wall installation, allowing flexible placement for optimal signal distribution. RouterOS provides a complete networking stack with VLAN, firewall, and bandwidth management features accessible through WinBox or web interface. The US frequency lock restricts operation to 2412-2462 MHz, 5170-5250 MHz and 5725-5835 MHz bands. Buyers needing regulatory-domain flexibility or outdoor-rated enclosures should consider other models.

Highlights

  • 360-degree wireless coverage from ceiling or wall mount
  • Dual-band 2.4 / 5 GHz radio for concurrent client support
  • Two Gigabit Ethernet ports with PoE input and output
  • Factory-locked US frequencies 2412-2462, 5170-5250, 5725-5835 MHz
  • 3 af/at PoE input on first port powers the unit

Specifications

No published specifications for this item yet.

Questions about this item

How is the cAP ac mounted and powered, and what is the common mistake with the second Ethernet port?

Mount the unit on a ceiling or wall, power it through the first Ethernet port using 802.3af/at PoE input, and do not plug a PoE device into the second port expecting input — it only provides passive PoE output.

What maintenance will the cAP ac need over time?

Apply RouterOS firmware updates for security and stability, and clean dust from the ventilation slots so the internal radio maintains its 360-degree coverage pattern.

Which frequency limit appears first under sustained use in the US model?

The factory lock restricts operation to 2412-2462MHz, 5170-5250MHz and 5725-5835MHz, and this lock cannot be removed.

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