WIFI Module #5BK uses the same chipset (Realtek RTL8821CU) as WIFI Module #5B, so it is 100% compatible. IEEE 802.11ac/a/b/g/n WLAN and Bluetooth combo module with on-board 2.4Ghz and 5.8Ghz Dual band antenna.

Only one minor difference from the previous 5B model is that doesn’t have a CD-ROM mode. So, we can skip the usb-modeswitch tweak.

Works with ODROID series, Compatible with Android and Linux. (Please update your OS to the latest version if it doesn’t work.)

Specifications:

  • Realtek RTL8821CU chipset ( USB ID = 0BDA:C813, No CDROM mode )
  • Dual-Band 11ac 1×1 with 64/128/152 bit WEP, WPA/WPA-PSK,WPA2/WPA2-PSK securities
  • Frequency Range: 2.4-2.483GHz ; 5.725~5.825GHz
  • Support WLAN Standards: IEEE802.11ac/a/b/g/n
  • Transfer Speed : ~200 Mbps
  • Support Bluetooth 2.1/3.0/4.2 (No BLE)
  • USB 2.0 High-Speed host interface
  • Antenna Gain: 2dBi
  • Dimension : 28 x 16 x 7 mm
  • LED for WiFi Link Activity
  • Frequency Range: 2.4-2.483GHz ; 5.725~5.825GHz


   Note:

  • WiFi Module 5BK is an OEM model of CF-813B.

Note: 

The supplier of the product has no replacement and/or refund policy as part of their product warranty/guarantee. Furthermore, the repair cost and the cost of shipping to and fro from South Korea has to be borne. As Fab.to.Lab is merely an intermediary we extend the exact same warranty terms to all customers of Harkernel.

Please find more details here: Supplier warranty terms and conditions: https://www.hardkernel.com/agreement/

Experimental test with N2+ USB port:

  • Equipments for Test:
    • ODROID-N2+ with Ubuntu 20.04.2, updates as Feb-2021.
    • Test envierenmant
    • Server – x86 HOST PC
    • Client – ODROID Boards
    • Test utility – iperf
    • Wireless router(AP) – ipTIME A2008
    • Test Block Diagram
    • ODROID ↔ Wireless ↔ AP ↔ Ethernet ↔ PC
    • Equipment was kept 1.5 meters apart during all tests, no obstructions.
    • Software used: iperf version 2.0.13 (21 Jan 2019) pthreads
  • 5GHz:
    • (1) Channel Connection Statistics
    • [ 5GHz ] IEEE802.11AC
    • Channel : 161 (5.805 GHz)
    • Signal : -34 dBm
    • Rate : 434 Mbps
    • Power Save : Note Enabled (Off)
    • (2) 5GHz Download : 225 Mbps
    • [ ID] Interval Transfer Bandwidth
    • [ 3] 0.0-60.0 sec 1.57 GBytes 225 Mbits/sec
    • (3) 5GHz Upload : 238 Mbps
    • [ ID] Interval Transfer Bandwidth
    • [ 4] 0.0-60.1 sec 1.67 GBytes 238 Mbits/sec
    • (4) 5Ghz Duplex
    • [ ID] Interval Transfer Bandwidth
    • [ 5] 0.0-30.0 sec 893 MBytes 250 Mbits/sec
    • [ 4] 0.0-30.1 sec 169 MBytes 47.2 Mbits/sec
  • 2.4GHz:
    • (1) Channel Connection Statistics
    • [ 2.4Hz ] IEEE802.11bgn
    • Channel : 5 (2.432 GHz)
    • Signal : -45 dBm
    • Rate : 150 Mbps
    • Power Save : Note Enabled (Off)
    • (2) 2.4GHz Download : 81.2 Mbps
    • [ ID] Interval Transfer Bandwidth
    • [ 4] 0.0-60.2 sec 583 MBytes 81.2 Mbits/sec
    • (3) 2.4GHz Upload : 53.7 Mbps
    • [ ID] Interval Transfer Bandwidth
    • [ 3] 0.0-60.1 sec 384 MBytes 53.7 Mbits/sec
    • (4) 2.4GHz Duplex
    • [ ID] Interval Transfer Bandwidth
    • [ 5] 0.0-30.0 sec 360 MBytes 101 Mbits/sec
    • [ 4] 0.0-30.1 sec 83.6 MBytes 23.3 Mbits/sec

Documentation:

Package Includes:

  • 1 x WiFi Module 5BK

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WiFi Module 5BK

  • Brand: Hardkernel
  • Product Code:Hdk-WiFi-Module-5BK
  • Reward Points:12
  • Availability:In Stock
  • रo 1,170.00

  • Price in reward points:1170

  • 10 or more रo 1,161.00
  • 20 or more रo 1,156.00
  • 55 or more रo 1,151.00
  • 110 or more रo 1,141.00

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