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Compex WPJ531

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Compex WPJ531 V1.0

FCC approval date: 20 August 2015
(Est.) release date: December 2014
Country of manuf.: China

Type: wireless embedded board


Power: 12-24 VDC, ? A
Power over Ethernet (PoE) tag: 802.3af, standard

CPU1: Qualcomm Atheros QCA9531 (650 MHz)
FLA1: 16 MiB
16,777,216 B
131,072 Kib
16,384 KiB
128 Mib
0.0156 GiB
(Brand? Model?)
RAM1: 64 MiB
67,108,864 B
524,288 Kib
65,536 KiB
512 Mib
0.0625 GiB
(Brand? Model?)

Expansion IFs: Mini PCIe
Mini PCIe slots: 1
JTAG: yes
Serial: yes

WI1 chip1: Qualcomm Atheros QCA9531
WI1 802dot11 protocols: bgn
WI1 MIMO config: 2x2:2
WI1 antenna connector: U.FL

ETH chip1: Qualcomm Atheros QCA9531
Switch: Qualcomm Atheros QCA9531
LAN speed: 100M
LAN ports: 2


Stock bootloader: Compex bootloader

Stock FW OS: CompexWRT

Third party firmware supported: OpenWrt

802dot11 OUI: none specified

For a list of all currently documented Qualcomm Atheros chipsets with specifications, see Qualcomm Atheros.

2.4GHz 2×2 Wireless Embedded Board with MiniPCI-e Slot

Product page

WPJ531 Embedded Board Datasheet

Product highlights[edit]

  • Qualcomm Atheros QCA9531 @650MHz (MIPS 24Kc) CPU
  • 64MB System Memory, 16MB NOR Flash
  • On-board 2.4GHz max 23dBm output power (per chain)
  • IEEE 802.11n compliant & backward compatible with 802.11b/g
  • 2x2 On-board radio up to 300Mbps physical data rate
  • 1x Mini PCI Express Slot at 9.2mm height
  • 2x FE LAN (RJ45) with Auto-MDI/X
  • Passive 24V Power Over Ethernet
  • Integrated 48V 802.3af available as option


  • Dual band 802.11a/b/g/n or 802.11ac/n Access Point
  • Single band 802.11b/g/n or 802.11a/n Access Point
  • Point-to-Point and Point-to-Multipoint Wireless Bridge
  • Wireless Base Station
  • Wireless Customer-Premises Equipment (CPE)
  • Support for Third Party 3G/LTE Radio Module

Ordering Configuration[edit]

Item Code		        Chipset	               Board Information
WPJ531LV-A 6A06PCW16F-BR-BP1	QCA9531	    2x2 802.11n 2.4GHz SoC radio with MiniPCIe slot