UART service, as known as NUS (Nordic UART Service) is the most common and easy way for BLE relating IoT Implement.
Customers who is familiar with Classic Bluetooth are used to call as SPP service.
nrf52832-mtu-500bytes-transmission-demo

Although UART service works with nRF51 (MDBT40 series module) can mostly been satisfied by most implements, customers may be looking for much faster speed and longer package to fulfill widely and various IoT application.
Now, nRF52 SoC (Raytac MDBT42 series module) has brought the solution for those who requests higher speed and longer package transmission applications.
To service all customers and developers, Raytac has strived to build up an advanced open source solution UART firmware corporates with MDBT42 series modules to assist customers obtain the quick way without spending time and energy in developing stage.
nRF52832 UART Service Features:
1. Supporting Longer Package MTU
   (500 Bytes for Baudrate 9600 / over 10K for 115200 or 230400)
2. Over 10 times higher transmission speed than nRF51 UART
3. 1/10 (or less) transmission time than nR51 UART
Raytac welcomes all developers who is interested in high speed UART (SPP like) service to contact with us for further more information)
Testing Video: (Tested by MDBT42Q Development Board)
Raytac Corporation
A BT4.1 & BT4.2 & BT5 module maker based on Nordic nRF51 & nRF52 solution 
(nRF51822 & nRF51422 & nRF52832 & nRF51802 & nRF52840)
www.raytac.com            Tel: +886.2.3234.0208
email: service@raytac.com

About the Author Raytac Corporation

Raytac Corporation was established in year 2004 by a group of engineer's expertise in the Radio Frequency (RF) technology and a team of experienced multinational senior marketing and production personnel. The core technology know-how in RF Module, BLE Module, Manufacturing of the wireless electronic products, Raytac has committed to the customers a more convenient wireless choice. Our mission, "Making our life more convenient through innovation and application of wireless technology"; we will constantly evolve and adapt from our RF technology, to provide all our customers the best solutions in the wireless world. And, will devote ourselves to be one of the wireless technology leader in the world and have more contribution to the human beings.

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