0 dBm 352 KB 32 KB BT5.2 1.2 Description RF-BM-BG22A1 is an RF module based on EFR32BG22C112F352GM32-C, one of Gecko family of SoCs from Silicon ® ® Labs,with a 32-bit ARM Cortex -M33core with 38.4 MHz maximum operating frequency. It integrates a 38.4 MHz crystal,a matching, an antenna matching, a low-pass filterand a meander line inverted-F PCB antenna.
• Bluetooth Mesh Low energy nodes 1.5 Functional Block Diagram Confidential Figure 1. Functional Block Diagram of RF-BM-BG22A1 1.6 Part Number Conventions The part numbers are of the form of RF-BM-BG22A1 where the fields are defined as follows: RF BM BG22 Company Module Version...
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If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the Shenzhen RF-star Technology Co., Ltd. Page 3 of 19...
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FCC part 15C : 15.247 and 15.209 & 15.207 ,15B Class B requirement, Only if the test result comply with FCC part 15C : 15.247 and 15.209 & 15.207 ,15B Class B requirement,then the host can be sold legally. Shenzhen RF-star Technology Co., Ltd. Page 4 of 19...
Functional operation does not guarantee performance beyond the limits of the conditional parameter values in the table below. Long-term work beyond this limit will affect the reliability of the module more or less. Table 4. Recommended Operating Conditions of RF-BM-BG22A1 Items Condition Typ.
RF-BM-BG22A1 www.szrfstar.comV1.0 - Sep., 2020 4.3 Schematic Diagram and Reference Design The schematic diagram is as follows: Figure 6. Schematic Diagram of RF-BM-BG22A1 The reference design is as follows: Figure 7. Reference Design of RF-BM-BG22A1 Shenzhen RF-star Technology Co., Ltd.
10. The antenna must not be installed inside the metal case, which will cause the transmission distance to be greatly Shenzhen RF-star Technology Co., Ltd. Page 13 of 19...
(3) It is the best to hollow out the antenna position in the following figure so as to ensure that S11 of the module is minimally affected. Figure 8. Recommendation of Antenna Layout Note: The hollow-out position (yellow part) is based on the antenna used, and RF-star recommend the distance is no less than 10 mm. 4.5 Trouble Shooting 4.5.1 Unsatisfactory Transmission Distance...
3. If the extension wire or feeder wire is of poor quality or too long, the bit error rate will be high. 4.6Electrostatics Discharge Warnings The module will be damaged for the discharge of static. RF-star suggest that all modules should follow the 3 precautions below: 1.
T Time from 25 ℃to Peak Temperature (t Max. 6 minutes Max. 8 minutes Time of Soldering Zone (t 20±10 s 20±10 s Figure 9. Recommended Reflow for Lead Free Solder Shenzhen RF-star Technology Co., Ltd. Page 16 of 19...
1. The document will be optimized and updated from time to time. Before using this document, please make sure it is the latest version. 2. To obtain the latest document, please download it from the official website: www.szrfstar.com. Shenzhen RF-star Technology Co., Ltd. Page 17 of 19...
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