16/10/2018
The original manufacture
Edong sales bluetooth model item No. HM-11 is from original manufacture. Good quality with 100% guarantee once you purchase it from Edong.
Edong provides technology assistance if you need, OEM, ODM is available.
The Bluetooth 4.0 standard contains two Bluetooth standards, a dual-mode standard to be exact.
It includes the traditional Bluetooth part (also known as the classic Bluetooth Classic Bluetooth) and the low-power Bluetooth Part (Bluetooth Low Energy).
These two parts are applicable to different applications or application conditions.
The traditional Bluetooth is developed and improved on the basis of the previous 1.0.1.2, 2.0 + EDR, 2.1 + EDR, 3.0 + EDR, etc.
The low power Bluetooth is developed on Nokia's Wibree standard.
BLE is the Bluetooth Low Energy for Bluetooth.
Bluetooth Low Energy Consumption (BLE) is a low-cost, short-range, interoperable and robust wireless technology that works in license-free 2.4 GHz ISM radio frequency band.
BLE is low power Bluetooth, 4.0 is compatible with traditional Bluetooth, including BLE, BLE is Bluetooth 4.0 in the single mode module.
That is to say, Bluetooth 4.0 has a broader range.
The traditional Bluetooth which supports audio belongs to Bluetooth 4.0.
The Bluetooth module which supports data transmission to BLE Bluetooth module.