Rolo Bluetooth LE Module User Guide March 2021
Introduction and Key Feature • Rolo Key Feature • Bluetooth LE module had been implemented with Telink SoC TLSR8251F512ET48. • Embedded with BLE transceiver, working in worldwide 2.4GHz ISM band, ANT mode. • Compliant to BT LE class 2 device. Max emitted power of 4dbM, typ 10 M RF range. • Provide 26 GPIO interfacing pads which can support various I/O purposes such as simple LCD displays, ADC for temperature and control, timer control, USB and etc by through specific embedded SoC firmware.
Schematic Confidential CONFIDENTIAL 3
PCB Specific Drawing CONFIDENTIAL 4
PCB Specific Drawing – For RF metal shield can design ref CONFIDENTIAL 5
FCC Statement FCC standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 PCB antenna , Antenna gain 0dBi This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
