Dual Band 2×2 802.11ac Wave 2 Wireless Embedded Board with M.2 Slot

  • Qualcomm Atheros IPQ4028 Quad-core ARM cortex-A7 710MHz CPU
  • 2×2 On-board 5GHz radio, up to 867Mbps physical data rate
  • 2×2 On-board 2.4GHz radio, up to 400Mbps physical data rate
  • 802.11ac Wave 2
  • Integrated IEEE 802.3af/at
  • Support 2x 1Gbps Ethernet Port
  • 1x NGFF (M.2) Key B Connector Slot
  • Support Mu-MIMO

Specification Table

Product Type Wireless Embedded Board
Chipset IPQ4028
CPU Frequency 710MHz
Architecture ARM cortex-A7
System Memory 256MB
NOR Flash 32MB
NAND Flash 128MB
Wireless Standard 802.11n, 802.11g, 802.11b, 802.11ac, 802.11ac Wave2
MIMO Channels 2×2
Frequency Range 2.412~2.472GHz, 5.150~5.825GHz
Wireless Speed up to 400Mbps at 2.4GHz, up to 867Mbps at 5GHz
NGFF Slot Single Slot
Interface 2x 1Gbps Ethernet Ports,
1x Serial Port 4 Pin Connector,
1x JTAG 20 Pin Conector,
1x M.2 Slot Key B Connector,
1x USB 3.0 Port,
4x U.FL Connectors
Reset Button 1x F/W Reset Button
LED 7x LED Indicator
Power over Ethernet IEEE 802.3af, IEEE 802.3at
DC Jack 12~24V (LV Version); 24~48V (HV Version)
Power Consumption 19W (Board Only)
Operating System CompexWRT or OpenWRT/LEDE
Certification FCC, CE, REACH & RoHS Compliance
Temperature Range Operating: -20ºC to 70ºC, Storage: -40ºC to 90ºC
Humidity Operating:5% to 95% (non-condensing)
Extra 2x SIM Card Slots,
1x Buzzer,
Surge Suppressor,
Supports Dynamic Frequency Selection (DFS)


2.4GHz (Per Chain)
Data Rate TX (dBm) RX (dBm)
802.11b 1Mbps 19 -94
11Mbps 19 -90
802.11g 6Mbps 19 -94
54Mbps 16 -76
11n HT20 MCS 0 19 -94
MCS 8 14 -72
11n HT40 MCS 0 19 -92
MCS 9 13 -67


5GHz (Per Chain)
Data Rate TX (dBm) RX (dBm)
802.11a 6Mbps 18 -93
54Mbps 16 -79
11n/ac VHT20 MCS 0 18 -90
MCS 8 14 -67
11n/ac VHT40 MCS 0 18 -88
MCS 9 13 -63
11ac VHT80 MCS 0 17 -84
MCS 9 12 -60



Country Certification
USA FCC, REACH Compliance
EU CE RED, RoHS Compliance


WPJ428 Datasheet

WPJ428 Hardware Guide

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