Apple AirPort Extreme Base Station A1521 (ME918LL/A)

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abgn+ac (AC1750)
AirPort Extreme 3x3 MIMO Base Station
Apple AirPort Extreme Base Station A1521 (ME918LL-A).jpg
Wikipedia Apple
WikiDevi.wi-cat.ru Apple AirPort Extreme Base Station A1521 (ME918LL/A)
3rd Party Firmware
dd-wrt Status Unknown
OpenWrt Status Unknown
Tomato any flavor Status Unknown
Platform
BrandModelRev Apple A1521 (ME918LL/A)
FCC ID BCGA1521
IC ID 579C-A1521
Type wireless router
CPU1 checkY Broadcom BCM53019A1
CPU1 Type ARM Cortex-A9
CPU1 Speed 1.0 GHz ( 2 cores )
Flash1 Chip Micron 25Q256A
Flash1 Size 32 MiB33,554,432 B <br />262,144 Kib <br />32,768 KiB <br />256 Mib <br />0.0313 GiB <br />
RAM1 Size 512 MiB536,870,912 B <br />4,194,304 Kib <br />524,288 KiB <br />4,096 Mib <br />0.5 GiB <br />
RAM1 Chip SK hynix H5TC4G63AFR
ETH chip1 Broadcom BCM53019A1
Switch Broadcom BCM53019A1
Ethernet Port Count 1-1GbE-WAN
3-1GbE-LAN
Wired Standard IEEE 802.3i/3u/3ab

802dot11 OUI: 90:72:40
Ethernet OUI: 90:72:40

Expansion IF types USB 2.0
USB ports 1
USB Hub Compatible Untested
Power 100-240 VAC ~ 50/60 Hz, 1.5 A
Connector type C7

Flags:
RTC w/ battery backup

Retail
Availability End of Life
FCC approval date 10 June 2013
(Est.) release date 11 June 2013
(Est.) initial retail price (in USD): $199
UPC 885909746040
(UPC DB, On eBay)
ASIN B00DB9WCR6 Flag of the United States.svg
Country of manuf China
Physical
Dimensions 168 mm x 98 mm x 98 mm
Weight 945 g
Radio 1
Chip1 Broadcom BCM4360
Wireless interface OUI 90:72:40
Antenna Connector Type U.FL
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
Radio 2
Chip1 Broadcom BCM4360
Wireless interface OUI 90:72:40
Antenna Connector Type U.FL
MIMO status 3x3:3
Wireless Standard IEEE 802.11b/g/n
802.11n up to 450 Mbps
802.11g up to 54 Mbps
802.11b up to 11 Mbps
WiFi Operating Frequency 2.4 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 Apple devices with specifications, see Apple.

1300 Mbps - 3SS 5GHz 802.11ac (80MHz chan.),
450 Mbps - 3SS 2.4GHz 802.11n (40MHz chan.) = AC1750 class

Overview

switches to new tower style design
BCM53019 SoC (appears to be a BCM53019A1 [BCM53019A1KFEBG])
indicates usage of BCM4360 (BCM4360KLMG) radios for both bands (...)
Skyworks SE5003L1 (5003L1) 5GHz WLAN power amplifier ICs for the 5GHz radio
Skyworks SE2623L (2623L) 2.4GHz WLAN power amplifier ICs for the 2.4GHz radio
"820-3646-03" is silkscreened on the board.
Panasonic BR2330 battery
Specifications per the store follow...
Dimensions 168 mm (height) x 98 mm (width) x 98 mm (depth)
Weight: 945 g (2.08 lbs)
Number of users: 50

The FCC test report indicates the firmware used during testing was 6.10.56.166.

Transmit beam forming is supported on 802.11n/ac