Raytac BT4.0 module has been listed in Nordic 3rd Party Bluetooth Low Energy Module!
(Based on Nordic nRF51822 solution)
https://www.nordicsemi.com/eng/Products/3rd-Party-Bluetooth-low-energy-Modules
For more detail about the module, you may find in following Raytac website
http://www.raytac.com/products.php?subid=16
Raytac BT4.0 module BQB End Products Listing Certification
