TP-LINK Archer C7 v1.x

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TP-LINK Archer C7 v1.x

FCC approval date: 15 July 2013
UPC: 845973070601 (UPC DB, On eBay)
Country of manuf.: China

Amazon image

B00CUD1KJK (Flag of the United States.svg, On Amazon, On CCC)
multiple revisions of this device, use caution

Type: wireless router

Industry Canada ID: 8853A-C7

Power: 12 VDC, 2.5 A
Connector type: barrel

CPU1: Qualcomm Atheros QCA9558
FLA1: 8 MiB8,388,608 B
65,536 Kib
8,192 KiB
64 Mib
0.00781 GiB
(Winbond Model?)
RAM1: 128 MiB134,217,728 B
1,048,576 Kib
131,072 KiB
1,024 Mib
0.125 GiB
(Winbond W9751G6KB-25 x 2)

Expansion IFs: USB 2.0, Mini PCIe
Mini PCIe slots: 1
USB ports: 2
Serial: yes, 4-pin header

WI1 chip1: Qualcomm Atheros QCA9558
WI1 802dot11 protocols: bgn
WI1 MIMO config: 3x3:3
WI1 antenna connector: none
WI2 module: unknown
WI2 module IF: Mini PCIe (oversized)
WI2 chip1: Qualcomm Atheros QCA9880-AR1A
WI2 802dot11 protocols: an+ac
WI2 MIMO config: 3x3:3
WI2 antenna connector: U.FL, RP-SMA

ETH chip1: Qualcomm Atheros QCA9558
Switch: Atheros AR8327N
LAN speed: 10/100/1000
LAN ports: 4
WAN ports: 1


Stock bootloader: U-Boot 1.1.4

Stock FW OS: Linux 2.6.31 LSDK-9.2.0_U6.616

Default SSID: TP-LINK_2.4GHz_XXXXXX (6 addl. devices), TP-LINK_5GHz_XXXXXX (6 addl. devices)
Default IP address:
the IP is used by 484 additional devices
of which 24 are TP-LINK devices
Default login user: admin
Default login password: admin
admin:admin credentials used by 701 additional devices
of which 108 are TP-LINK devices

802dot11 OUI: 64:66:B3 (1 E, 1 W, 2013)
Ethernet OUI: 64:66:B3 (1 E, 1 W, 2013)

 CPU1 brandWI1 chip1 brandWI1 chip2 brand
TP-LINK Archer C7 v1.xQualcomm AtherosQualcomm Atheros
TP-LINK Archer C7 v2.xQualcomm AtherosQualcomm Atheros
For a list of all currently documented QCA chipsets with specifications, see Qualcomm Atheros.

AC1750 Wireless Dual Band Gigabit Router
Product page
Firmware Interface
User Guide

"2050500332" is silkscreened on the main board in the FCC photos.

"2052500400" is silkscreened on the back of the wireless module.

This device is basically a TP-LINK TL-WDR7500 v2.x (Archer C7R) with 3 external and 3 internal antennas.

Per TP-LINK's specs...

  • EIRP: < 20dBm
  • Receiver sensitivity
    • 5GHz
      • 11a 6Mbps: -96dBm
      • 11a 54Mbps: -79dBm
      • 11ac HT20: -71dBm
      • 11ac HT40: -66dBm
      • 11ac HT80: -63dBm
    • 2.4GHz
      • 11g 54M: -77dBm
      • 11n HT20: -74dBm
      • 11n HT40: -72dBm

Default settings are per TP-LINK's manual.

[edit] Reviews, other external links, and accompanying information

Review of the device by Locky on the forums (excellent pictures [internal and non])

"2050500332" is silkscreened on the board.
v1.0 board, GTT capacitors, using QCA9558-AT4A + QCA9880-AR1A + AR8327N-BL1A

TP-Link TL-WDR7500 / TP-Link Archer C7 AC1750 on the OpenWrt Wiki

A mix of QCA9880v1 (QCA9880-AR1A) and QCA9880v2 cards may have been used with this device (??)
Per sujith on ath9k-devel, the card in the Archer C7 is a CUS223 v1.0

Reviewed (favorably) on SmallNetBuilder

"2050500351" is silkscreened on the board.
The Flash chip is noted as an 8 MB Winbond W25Q64FV.
The 5GHz PAMs are noted as Skyworks (SiGe) SE5005Ls.

Review on

"2050500351" is silkscreened on the board.
The wireless module appears to be using QCA9880-AR1A
Their CeBIT article on the device

Review on

64:66:B3 OUI


"2050500332" is silkscreened on the board.
F8:1A:67 OUI

[edit] Probable used PSU(s)

The power supply in the FCC external photos is a TenPao S040EU1200250.

TenPao S040EU1200250 (more)
Input: 100-240 VAC ~ 50/60 Hz, 1.2 A
 Input connector: NEMA 1-15P
Output: 12 VDC, 2.5 A
 Output connector: barrel (center +)   OD: ??  ID: ??  LEN: ??

[edit] Images