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TP-LINK Archer C7 v1.x

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TP-LINK Archer C7 v1.x
Availability: common

FCC approval date: 15 July 2013
UPC: 845973070601 (UPC DB, On eBay)
Country of manuf.: China
Series: AC1750

Amazon image

B00BUSDVBQ (Flag of the United States.svg, On Amazon, On CCCmultiple uses)
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 (720 MHz)
FLA1: 8 MiB
8,388,608 B
65,536 Kib
8,192 KiB
64 Mib
0.00781 GiB
(Winbond W25Q64FVSIG)
RAM1: 128 MiB
134,217,728 B
1,048,576 Kib
131,072 KiB
1,024 Mib
0.125 GiB
(SK hynix H5PS5162GFR-Y5C × 2)

Expansion IFs: Mini PCIe, USB 2.0
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: 1G
LAN ports: 4
WAN speed: 1G
WAN ports: 1


Additional chips
2.4 GHz Power Amplifier IC;Skyworks;SE2574BL-R;574B, 337C;3;
5GHz Power Amplifier IC;Skyworks;SE5003L1;5003L1, 3238L, 1323 MY;3;

Stock bootloader: U-Boot 1.1.4

Stock FW OS: Linux 2.6.31 LSDK

Default SSID: TP-LINK_2.4GHz_XXXXXX (19 addl. devices), TP-LINK_5GHz_XXXXXX (18 addl. devices)
Default IP address:
the IP is used by 738 additional devices
of which 82 are TP-LINK devices
Default login user: admin
Default login password: admin
admin:admin credentials used by 1212 additional devices
of which 249 are TP-LINK devices

802dot11 OUI: 64:66:B3 (2 E, 2 W, 2013)
Ethernet OUI: 64:66:B3 (2 E, 2 W, 2013)

 CPU1 brandWI1 chip1 brandWI2 chip1 brand
TP-LINK Archer C7 v1.xQualcomm AtherosQualcomm AtherosQualcomm Atheros
TP-LINK Archer C7 v2.xQualcomm AtherosQualcomm AtherosQualcomm Atheros
TP-LINK Archer C7 v3.xQualcomm AtherosQualcomm AtherosQualcomm Atheros
TP-LINK Archer C7 v4.xQualcomm AtherosQualcomm AtherosQualcomm Atheros
TP-LINK Archer C7 v5.xQualcomm AtherosQualcomm AtherosQualcomm Atheros
For a list of all currently documented Qualcomm Atheros chipsets with specifications, see Qualcomm Atheros.

AC1750 Wireless Dual Band Gigabit Router

Product page  • Downloads
User Guide  • Interface simulator
  • "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.

Default settings are per TP-LINK's manual.

Additional specifications[edit]

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

Probable used PSU(s)[edit]

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: ??

Additional external links[edit]


"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) SE5005L
"2050500351" is silkscreened on the board.
The wireless module appears to be using QCA9880-AR1A
Their CeBIT article on the device
(excellent pictures [internal and non])
"2050500332" is silkscreened on the board.
v1.0 board, GTT capacitors, using:
QCA9558-AT4A + QCA9880-AR1A + AR8327N-BL1A
OUI: 64:66:B3
"2050500332" is silkscreened on the board.
OUI: F8:1A:67

Wikis / Forums / MLs[edit]

Per sujith on ath9k-devel, the card in the Archer C7 is a CUS223 v1.0