Recently there is a requirement :We are lookin for BT modules up to 4.0 low energy and SPP function.
Per above requirements for Bluetooth dual mode module, we recommend FSC-BT826E to you.
Feature
* Fully qualified Bluetooth 4.2/4.1/4.0/3.0/2.1/2.0/1.2/1.1
* Profiles support: SPP, HID, GATT, etc
* Postage stamp sized: 13*26.9 *2mm
* Class 1.5 support(high output power)
* The default UART Baud rate is 115.2Kbps and can support from 1200bps up to 921.6Kbps
* UART, I2C,PCM / I2S, SPI, up to 14 IOs
* Support the OTA upgrade
For more details ,feel free to Contact Feasycom .