IOGEAR Compact USB Bluetooth 5.1 Transmitter, Windows 11 10 8, Desktop, Laptop, Mouse, Keyboards


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Manufacturer Part#  GBU621

UPC Code: 881317520937

Provantage Code:  IOG90V1

Condition:  Factory New

  • Product Type: Bluetooth Adapter
  • Limited Warranty: 1 Year
  • Form Factor: Compact
  • Device Supported: Notebook/Speaker
  • TAA Compliant: No

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IOGEAR GBU621 Specifications

    IOGEAR Compact Usb Bluetooth 5.1 Transmitter, Windows 11 10 8, Desktop, Laptop,Mouse, Keyboards, Headset, Earbuds, Speakers, Bluetooth 4.0, Bluetooth Classicbr EDR, Bluetooth Low Energy Ble GBU62

At a Glance

    • Bluetooth 5.1 specification compliant
    • Supports Bluetooth classic (BR/EDR)
    • Supports Bluetooth Low Energy (BLE)
    • Single-end RF radio output with Class 1 high performance up to 8dBm
    • Supports Power Control
    • Fast AGC control to improve receiving dynamic range
    • Supports Angle of Arrival (AOA) application


    Upgrade to Bluetooth® 5.1 Technology - Stable and Reliable Connections

    IOGEAR's new Compact USB Bluetooth Transmitter is 5.1 compliant. New 5.1 technology brings "direction-finding" that allows Bluetooth devices to precisely pinpoint the physical location of the device. 5.1 supports Angle of Arrival (AoA) and Angle of Departure (AoD) methods to determine the distance and direction of the signal. This new version can pinpoint a device's location within a few centimeters. This offers a more stable and reliable connection.

    Speed Up the Pairing Process

    Bluetooth 5.1 devices use "Generic Attribute Profile," or GATT. When a client device connects it "discovers" what the server device supports, which takes time and energy. Bluetooth 5.1 performs more aggressive caching it skips the service discovery stage if nothing has changed. These "GATT caching enhancements" mean the connection happens faster and less power is spent.

    Less Bluetooth Interruption

    Bluetooth 5.1 comes with a new feature called "randomized advertising channel indexing." When you pair with your device, the connection now runs on a specific channel. Other devices get more room to avoid interfering with each other. That is especially helpful if there are many Bluetooth devices in an area.

    Supports Dual Audio

    Bluetooth 5.1 allows the user the ability to connect two compatible audio devices at the same time and still enjoy high-quality audio. Previous versions could only connect and transfer audio data to one speaker at a time. Connecting two speakers for dual audio meant relying on proprietary connection techniques of the speaker manufacturer.

Additional Product Images


Product NameIOGEAR Compact USB Bluetooth 5.1 Transmitter, Windows 11 10 8, Desktop, Laptop, Mouse, Keyboards
Manufacturer Part NumberGBU621
Product TypeBluetooth Adapter
Bluetooth StandardBluetooth 5.1
Form FactorCompact
Device SupportedNotebook/Speaker
Host InterfaceUSB Type A
Country of OriginChina
Packaged Quantity1
Limited Warranty1 Year
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