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WiFi Module 5BK

$9.95

WIFI Module 5BK is a FCC / CE certified module that 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.)

Links to compliance documentation available at the bottom of this listing.

KEY FEATURES

  • 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
  • Weight : 5 g

 

LINKS

CERTIFICATIONS

NOTES

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

     

     

    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

    Warranty is valid for 30 days, starting upon date of receipt.

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