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Bluetooth EDR is the optional Enhanced Data Rate extension of Bluetooth’s Basic Rate radio system. It raises the specified gross air rate from Basic Rate’s 1 Mb/s to 2 Mb/s or 3 Mb/s, depending on the modulation used. Those are radio-link rates, not guaranteed file-transfer or application speeds.
What does Bluetooth BR/EDR mean?
BR/EDR stands for Basic Rate / Enhanced Data Rate. Bluetooth Core architecture describes BR as the baseline radio mode and EDR as an optional extension. EDR is therefore a capability within the BR/EDR radio system—not a separate Bluetooth version.
Bluetooth uses short-range radio communication. BR/EDR operates in the unlicensed 2.4 GHz ISM band and uses frequency hopping. The Bluetooth SIG’s Core Specification v6.3 gives the band as 2.4 GHz to 2.4835 GHz and specifies RF channel frequencies at 2402 + k MHz, where k ranges from 0 to 78. The architecture specification describes 79 hopping frequencies, spaced 1 MHz apart. Hopping helps address interference and fading; adaptive hopping is also described as a coexistence measure.
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How fast is Bluetooth EDR?
The Bluetooth SIG’s Core Specification v6.3 lists these gross air data rates for the BR/EDR radio modes:
#1 Best Overall
- Bluetooth 5.4 + Broad Compatibility - Provides Bluetooth 5.4 plus EDR technology and is backward compatible with Bluetooth V5.3/5.0/4.2/4.0/3.0/2.1/2.0/1.1.
- Faster Speed, Extended Range - Get up to 2x faster data transfer and 4x broader coverage compared to Bluetooth 4.0 — perfect for smooth audio streaming and stable connections.
- EDR and BLE Technology - This Bluetooth dongle is quipped with enhanced data rate and Bluetooth low energy, UB500 has greatly improved data transfer speed and operates at the optimal rate of power consumption
- Nano-Sized - A sleek, ultra-small design means you can insert the Nano Bluetooth receiver into any USB port and simply keep it there regardless of whether you are traveling or at home
- Plug & Play with Free Driver Support - Plug and play for Windows 8.1/10/11 (internet required). Supports Win7 (driver required and can be downloaded from website for free). Download the latest driver from TP-Link website to utilize Bluetooth 5.4
| Mode | Modulation | Specified gross air rate |
|---|---|---|
| Basic Rate | GFSK | 1 Mb/s |
| EDR | π/4-DQPSK | 2 Mb/s |
| EDR | 8DPSK | 3 Mb/s |
These are physical-layer rates over the radio link, not user throughput. Protocol overhead, the device implementation, and the particular connection affect the data rate an application can use. The specification makes Basic Rate mandatory; 8DPSK support requires π/4-DQPSK support.
What changes when a packet uses EDR?
EDR changes the modulation within a packet rather than replacing the entire packet format with an EDR-only transmission. The access code and packet header use Basic Rate GFSK. The later synchronization sequence, payload, and trailer use EDR phase-shift keying (PSK), with a guard time between the modulation modes. As the Bluetooth SIG puts it, “A key characteristic of the Enhanced Data Rate mode is that the modulation mode is changed within the packet.”
Rank #2
- INSTANT BLUETOOTH ACCESS: Bluetooth dongle adapter receiver for PCs converts non-Bluetooth devices into Bluetooth-capable with simple USB connection
- WIDE COMPATIBILITY: Supports Bluetooth 5.4 and is backwards compatible with Bluetooth 5.3/5.2/5.1/5.0/V4.2/4.0/3.0/2.1/2.0/1.1; ONLY works with Windows 8.1, 10, and 11
- MULTI-DEVICE CONNECTION: Connect up to 6 devices simultaneously; Not compatible with all other operation systems e.g. Mac, Linux, Chrome, Unix, Playstation(PS), Windows 7 and below; Nano bluetooth receiver can be plugged in via any standard USB port
- ENHANCED PERFORMANCE: EDR and BLE technology offers enhanced data rate/transfer speed and low energy consumption
- SYSTEM REQUIREMENTS: Not compatible with all other operation systems e.g. Mac, Linux, Chrome, Unix, Playstation(PS), Windows 7 and below; Disable any built-in Bluetooth of the device before use this product, refer to the user manual for detail
BR/EDR also uses time-division duplexing and packets placed in time slots. Devices in a piconet synchronize to a shared clock and hopping pattern: one is the Central and the others are Peripherals.
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Is Bluetooth EDR the same as Bluetooth Low Energy?
No. BR/EDR and Bluetooth Low Energy (LE) are distinct Bluetooth radio systems. A product may support BR/EDR, LE, or both. Bluetooth Core architecture describes separate controller configurations for BR/EDR and LE, as well as a combined configuration. Apple’s Core Bluetooth documentation also covers both LE and BR/EDR in its developer framework context.
Rank #3
- Upgraded Bluetooth 5.3 Adapter: This bluetooth adapter for pc uses the latest upgraded Bluetooth 5.3 BR+EDR technology, greatly improves the stability of the connection data transfer speed, reduces the possibility of signal interruption and power consumption.
- Up to 5 Devices Sync Connected: UGREEN Bluetooth dongle for PC supports up to 5 different types of Bluetooth devices to be connected at the same time without interfering with each other, such as Bluetooth mouse/keyboard/mobile phone/headphones, etc. If Bluetooth audio devices of the same type (such as speakers/headphones) are connected, only one device can play music.
- Plug and Play: The Bluetooth adapter is developed for Windows systems only and does not support other systems. No driver installation is required under Windows 11/10/8.1. NOTE: Win 7, Linux and MacOS System are NOT supported.
- Mini Size: An extremely compact Bluetooth stick that you can leave on your laptop or PC without removing it.The compact size does not interfere with other USB ports. Convenient to carry, no space occupation.
- What Can I do if the Bluetooth adapter can not work?: Ensure there are no other Bluetooth devices installed on the computer. If there are, disable all existing Bluetooth devices in "Device Manager", then insert the adapter and try again. (For detailed information please read the user manual)
Consequently, a Bluetooth label or version number alone does not establish that a device supports every optional EDR feature. Support depends on the particular implementation; check the product’s specifications for the modes it supports.
Quick Recap
Best Value
- Bluetooth 5.4 dongle: Applies the latest Bluetooth 5.4+EDR technology, compatible with Bluetooth 5.3/5.2/4.2/4.2 LE/4.0/2.1+EDR, and supports Dual mode (BR/EDR+ Bluetooth Low Energy) to achieve low energy consumption and high speed. Quick response and better anti-interference.
- Plug & Play: USB wireless Bluetooth is not limited by network and location, no need to install drivers, just plug the USB wireless adapter into your computer, you can use it directly. You can use the Bluetooth function at any time. Greatly improve your work efficiency and save your time.
- Long Range Bluetooth Adapter: The USB Bluetooth 5.4 dongle uses Class 1 radio technology, equipped with extra long antenna, and the transmission range in the open area can reach 500ft/150m, Bluetooth connections are no longer affected by distance. Note: The actual transmission range will be affected by physical obstructions and wireless interference.
- Fast Transmission Rate: This upgraded Bluetooth 5.4 adapter features EDR technology and Bluetooth Low Energy (BLE) configuration up to 3Mbps, which greatly improves transmission rates and reduces the loss of transmission efficiency due to interference in the 2.4GHz band. Enables fast, no delay wireless data connections between your computer and Bluetooth devices.
- System Support: The upgraded Bluetooth 5.4 dongle has a wide range of applications. You can connect up to 5 devices at the same time using Bluetooth wireless. Such as Bluetooth speakers,keyboards,headsets,mice, and Bluetooth printers,etc. Only supports Windows 11/10/8.1, Not compatible with Mac OS, Linux,car stereo systems,XBOX,ps4 or TVs.
Rank #4
- This Bluetooth adapter for PC utilizes the latest Bluetooth 6.0 EDR technology, delivering faster data transfer speeds, seamless high-quality audio/video streaming, and efficient large-file transfers.
- Up to 5 Devices Sync Connected: This Bluetooth dongle for PC supports up to 5 different types of Bluetooth devices to be connected at the same time without interfering with each other, such as Bluetooth mouse/keyboard/mobile phone/headphones, etc. Note: If Bluetooth audio devices of the same type (such as speakers/headphones) are connected, only one device can play music.
- Ultra-High Data Transfer Speeds: With Bluetooth 6.0 technology, this bluetooth dongle will bring us a faster speed experience. And Bluetooth 6.0 is backward compatible with Bluetooth5.4/5.3.
- EDR and BLE Technology - This Bluetooth dongle is equipped with enhanced data rate and Bluetooth low energy, it wil optimize energy.
- Plug and Play: The Bluetooth receiver is developed for Windows systems only and does not support other systems. No driver installation is required under Windows 11/10/8.1. NOTE: Linux and MacOS , Win 7 System are NOT supported.
Sources and scope
- Bluetooth SIG, Core Specification v5.4 (architecture).
- Bluetooth SIG, Core Specification v6.3 (radio physical layer).
- Bluetooth SIG, Core Specification v6.2 (baseband).
- NIST, SP 800-121 Rev. 2, updated January 19, 2022, for general Bluetooth and wireless personal area network context. Its coverage extends through Bluetooth 4.2, so it is not the source for the current radio-rate figures above.
- Apple Core Bluetooth documentation, for developer-framework context covering LE and BR/EDR.
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