Rayson BTM-800, Bluetooth module, 4.0/4.1, LE, I2C/SPI, UART, CSR1010, dimensions 20x12x2mm, integrated chip antenna.
Bluetooth Low Energy takes less time to make a connection than conventional Bluetooth wireless technology and can consume approximately 1/20th of the power of Bluetooth Basic Rate. You can buy BTM-800 with firmware from iNode family devices with no additional cost. You can find schematic diagrams of iNode devices at our technical support service: http://support.elsat.com.pl/
user: inode
without a password