2.4GHz 3×3 Wireless Embedded Board with MiniPCI-e Slot

  • Qualcomm Atheros QCA9558 MIPS 74Kc 700MHz CPU
  • CompexWRT and OpenWRT firmware supported
  • On-board 3×3 450Mbps 802.11n
  • Dual Radio Solution (on-board 802.11b/g/n radio and 1 miniPCIe slot that supports all Compex 802.11ac radio)
  • Integrated 48V 802.3af (Option for 24V PoE available)
  • Support 2 x Gigabit Ethernet Port

Specification Table

Product Type Wireless Embedded Board
Chipset QCA9558
CPU Frequency 700MHz
Architecture MIPS 74Kc
System Memory 128MB
Flash Memory 16MB
Wireless Standard 802.11n, 802.11g, 802.11b
MIMO Channels 3×3
Frequency Range 2.412 ~ 2.472 GHz
Output Power (Per Chain) 23dBm
Wireless Speed 450Mbps
MiniPCI-e Slot v1.1
Interface 2x Gigabit Ethernet Port,
1x JTAG 14 Pin Connector,
1x Serial Port 4 Pin Connector,
1x MiniPCI-e Slot 9.2mm,
3x U.FL Connector
LED 14 PIN Connector,
7x LED Indicators
Power over Ethernet IEEE 802.3af, IEEE 802.3at
DC Jack 24-56V
Reset Button Yes
Operating System CompexWRT or OpenWRT/LEDE
Certification REACH & RoHS Compliance
Power Consumption 8.6 Watts
Extra Surge Suppressor, Watchdog Timer
Temperature Range Operating: -20ºC to 70ºC, Storage: -40ºC to 90ºC
Humidity Operating:5% to 95% (non-condensing)
Dimension  117 x 105 x 17mm (W x H x D)


2.4GHz (Per Chain)
Data Rate TX (dBm) RX (dBm)
802.11b 1Mbps 23 -95
11Mbps 23 -88
802.11g 6Mbps 23 -94
54Mbps 19 -79
11n HT20 MCS 0 23 -94
MCS 7 18 -75
11n HT40 MCS 0 22 -93
MCS 7 18 -72


Country Certification
USA REACH Compliance
EU RoHS Compliance


WPJ558 Datasheet

WPJ558 Hardware Guide

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