CF-939AC Network Adapter

Product Overview

Wireless Speed: 1900Mbps
Frequency Band: 2.4/5.8GHz
Wireless Standard: IEEE802.11a/ac/b/n/g
Antenna: External 2*2dBi
Dimensions: 119*43*12mm

1900Mbps wirelessWi-Fi 5 dual-bandExternal 2*2dBi

OEM/ODM customization supported · Sample orders accepted

Detailed Specifications

Specifications are transcribed from the factory datasheet of this model.

Parameter	Value
Wireless Speed	1900Mbps
Frequency Band	2.4/5.8GHz
Wireless Standard	IEEE802.11a/ac/b/n/g
Antenna	External 2*2dBi
TX Power (Max)	18dBm
Interface	USB3.0
Driver-free	No
Dimensions	1194312mm

Full datasheet available on request

Series positioning

Middle of the series — the usual balance point for standard guest-room and office coverage.

CF-939AC · 13/82 · 1900Mbps · 2.4/5.8GHz

Compare within the series

Values below are taken from the manufacturer datasheet. A blank cell means the manufacturer does not publish that parameter for the model.

Model	Wireless speed	Band	Standard	IP rating	Power
CF-938AC	1900Mbps	2.4/5.8GHz	IEEE802.11a/ac/b/n/g	—	—
CF-939AC (this model)	1900Mbps	2.4/5.8GHz	IEEE802.11a/ac/b/n/g	—	—
CF-958AC	1900Mbps	2.4/5.8GHz	IEEE802.11a/ac/b/n/g	—	—
CF-735BF	1800Mbps	—	—	—	—
CF-945AX	1800Mbps	—	—	—	—

Deployment reading for this category

Home & Apartment Full Coverage

For large homes, duplexes and rental apartments: panel APs and repeaters extend dead zones, Mesh routers keep roaming stable without re-cabling.

/solutions/home-apartment/

Technical note

Channel Planning and Interference Control

The goal of channel planning is not the strongest signal but adequate physical separation between co-channel APs. Without density, more power only creates more interference.

/knowledge/channel-planning/

Technical note

How Many Devices Can One Access Point Handle?

Vendor headline figures are theoretical associations, not usable concurrency. Real capacity depends on the traffic mix: browsing, video, scanning and roaming differ by orders of magnitude.

/knowledge/max-clients-per-access-point/

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CF-939AC