Apple AirPort Extreme Base Station A1521 (ME918LL-A)

abgn+ac (AC1750)
AirPort Extreme 3x3 MIMO Base Station
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
Brand • Model • Rev	Apple A1521 (ME918LL/A)
FCC ID	BCGA1521
IC ID	579C-A1521
Type	wireless router
CPU1	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
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 device with specifications, see Apple.

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

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

Overview

• Teardown on iFixit

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

• Product page in the Apple store

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

• Apple's New AirPort Extreme Offers No Innovation on SmallNetBuilder

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

Transmit beam forming is supported on 802.11n/ac