Apple AirPort Extreme Base Station A1143 (MB053LL/A)

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Apple A1143 (MB053LL/A)
Availability: common

Manuf (OEM/ODM): Foxconn

FCC approval date: 08 August 2007
(Est.) release date: August 2007
(Est.) initial retail price (in USD): $179
UPC: 885909171057 (UPC DB, On eBay)
Country of manuf.: China

Amazon image

B000UZCR56 (Flag of the United States.svg, On Amazon, On CCC)
multiple revisions of this device, use caution

Type: wireless router

IC ID: 579C-A1143

Power: 12 VDC, 1.8 A
Connector type: barrel
Conn. measurements: 5.5 mm (OD), 3.5 mm (ID), 9.5 mm (LEN)

CPU1: Marvell 88F5281 (500 MHz)
FLA1: 16 MiB16,777,216 B <br />131,072 Kib <br />16,384 KiB <br />128 Mib <br />0.0156 GiB <br /> (STMicro M29W128FL)
RAM1: 64 MiB67,108,864 B <br />524,288 Kib <br />65,536 KiB <br />512 Mib <br />0.0625 GiB <br /> (Samsung K4H561638H-UCB3 × 2)

Expansion IFs: Mini PCI, USB 2.0
Mini PCI slots: 1
USB ports: 1

WI1 module: Atheros AR5BMB-0072TA
WI1 module IF: Mini PCI
WI1 chip1: Atheros AR5416
WI1 chip2: Atheros AR5133
WI1 802dot11 protocols: abgn
WI1 MIMO config: 3x3:2
WI1 antenna connector: U.FL

ETH chip1: Marvell 88F5281
Switch: Broadcom BCM5395
LAN speed: 1GbE
LAN ports: 3
WAN speed: 1GbE
WAN ports: 1


Additional chips
Zero-Delay Clock Buffer;Pericom;PI6C2405A;;1;
Current Limited Power Distribution Switch;TI;TPS2051B;;1;
3A, 3-6V Synchronous Buck PWM Switcher;TI;TPS54310;;4;
12-bit to 24-bit Multiplexed D-Type Latch;TI;ALVCH162260;;1;
Hex Buffer/Driver with Open-Drain Outputs;TI;SN74LVC07A;;1;
30V Dual N-Channel MOSFET;Vishay;Si4944DY;;1;
1A LDO Regulator;Semtech;SC4211;;1;

Flags: RTC w/ battery

802dot11 OUI: 00:1F:F3 (2 E, 3 W), 00:19:E3 (-, 2 W)
Ethernet OUI: 00:1F:F3 (2 E, 3 W), 00:16:C8

For a list of all currently documented Atheros (QCA) chipsets with specifications, see Atheros.
For a list of all currently documented Marvell chipsets with specifications, see Marvell.

Apple AirPort Extreme Base Station A1143

The device uses three antennas. The MIMO configuration is assumed to be 3x3.

Manuf. by Foxconn

Note: Per the Class II permissive change request submitted to the FCC, this model differs from

MA073LL/A in that the processor was changed to the 88F5281, the switch was changed to
the BCM5397, and the Ethernet CM filter was changed from 824-00339R to 824-M0312R.