AirTies Air 4921

abgn+ac (AC1750)
wireless router, mesh node
WikiDevi.wi-cat.ru	AirTies Air 4921
3rd Party Firmware
dd-wrt	Status Unknown
OpenWrt	Status Unknown
Tomato any flavor	Status Unknown
Platform
Brand • Model • Rev	AirTies Air 4921
FCC ID	Z3WAIR4921
Type	wireless router, mesh node
CPU1	Broadcom BCM47081A0
CPU1 Type	ARMv7 Cortex-A9
CPU1 Speed	800 MHz
Flash1 Chip	Macronix MX30LF1G18AC-XKJ
Flash1 Size	128 MiB134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br />
RAM1 Size	128 MiB134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br />
RAM1 Chip	Winbond W631GG6MB-12
ETH chip1	Broadcom BCM47081A0
Ethernet Port Count	2-1GbE-LAN
Wired Standard	IEEE 802.3i/3u/3ab
802dot11 OUI: none specified
Expansion IF types	none specified
Power	12 VDC, 1 A
Connector type	barrel
Flags: DFS (master), DFS (mesh)
Retail
FCC approval date	03 January 2019
Country of manuf	Thailand
Radio 1
Chip1	Broadcom BCM43217T
Wireless interface OUI	none specified
Antenna Connector Type	none specified
MIMO status	2x2:2
Wireless Standard	IEEE 802.11b/g/n
802.11n	up to 300 Mbps
802.11g	up to 54 Mbps
802.11b	up to 11 Mbps
WiFi Operating Frequency	2.4 GHz
Radio 2
Chip1	Broadcom BCM4360
Wireless interface OUI	none specified
Antenna Connector Type	none specified
MIMO status	3x3:3
Wireless Standard	IEEE 802.11a/n/ac
802.11ac	up to 1300 Mbps
802.11n	up to 450 Mbps
802.11a	up to 54 Mbps
WiFi Operating Frequency	5 GHz
Radio cor_rev	40

For a list of all currently documented Broadcom chipsets with specifications, see Broadcom.

For a list of all currently documented AirTies device with specifications, see AirTies.

• 1300 Mbps - 3SS 5GHz 802.11ac (80MHz chan.),

• 450 Mbps - 3SS 2.4GHz 802.11n (40MHz chan.) = AC1750 class

Overview

The FCC photos indicate this device is...

• Likely contains a Broadcom BCM47081 CPU
• possibly manufactured in Thailand

The label contains AT&T branding. May be sold with the following taglines:

• Home Wi-Fi Solution Kit
• Air4921 3x3 11ac Smart Mesh Access Point
• AT&T SMART WI-FI EXTENDER
• AIRTIES WIFI EXTENDER