1. The communication distance is the longest distance obtained by testing the module's maximum transmission power in an open and interference-free environment in sunny weather. 2. Click the picture to buy modules. Shenzhen RF-star Technology Co., Ltd. Page 1 of 25...
1.1 Description RF-BM-S02A is a Bluetooth Low Energy (BLE) module based on TI CC2541F256, an 8051 core BLE System-on-Chip (SoC). This PCB module integrates a 32 MHz crystal, a 32.768 kHz crystal, an LC balun, an RF matching filter, and a meander line PCB antenna.
Power Supply 2.0 V ~ 3.6 V Figure 1. Functional Block Diagram of RF-BM-S02A 1.5 Part Number Conventions The part numbers are of the form of RF-BM-S02A where the fields are defined as follows: Company Name Version Number RF-STAR The Second CC2541 Version...
RF-BM-S02A www.szrfstar.com V1.0 - May, 2020 2 Module Configuration and Functions 2.1 Module Parameters Table 1. Parameters of RF-BM-S02A Chipset CC2541F256 Supply Power Voltage 2.0 V ~ 3.6 V, recommended to 3.3 V Frequency 2402 MHz ~ 2480 MHz Transmit Power Programmable: -23.0 dBm ~ 0 dBm...
RF-BM-S02A www.szrfstar.com V1.0 - May, 2020 2.2 Module Pin Diagram Figure 3. Pin Diagram of RF-BM-S02A 2.3 Pin Functions Table 2. Pin Functions of RF-BM-S02A Name Chip Pin Pin Type Description Ground Power Power supply 2.0 V ~ 3.6 V P2.2...
3.3 Receiver RF Parameters Table 5. Table of Receiver RF Parameters When measured on the RF-BM-S02A reference design with T A = 25 ℃, V BAT = 3 V, Fc = 2440 MHz with DC/DC enabled unless otherwise noted. Test Condition Parameters Min.
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-67dBm, 250 bytes payload. BER 0.1% Maximum packet length. Sensitivity better than -67dBm, Symbol Rate Error Tolerance 250 bytes payload. BER 0.1% 250 kbps, GFSK,160 kHz deviation, 0.1% BER Receiver Sensitivity Shenzhen RF-star Technology Co., Ltd. Page 12 of 25...
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> 1 GHz Conducted Measurement Note: 1. Difference between center frequency of the received RF signal and local oscillator frequency. 2. Difference between incoming symbol rate and the internally generated symbol rate. Shenzhen RF-star Technology Co., Ltd. Page 13 of 25...
3.4 Transceiver RF Parameters Table 6. Table of Transceiver RF Parameters When measured on the RF-BM-S02A reference design with T A = 25 ℃, V BAT = 3 V, Fc = 2440 MHz with DC/DC enabled unless otherwise noted. Parameters Test Condition Min.
V1.0 - May, 2020 4.3 Schematic Diagram Figure 6. Schematic Diagram of RF-BM-S02A 4.4 Basic Operation of Hardware Design 1. It is recommended to offer the module with a DC stabilized power supply, a tiny power supply ripple coefficient and the reliable ground.
(3) It is the best to hollow out the red part of the antenna position in the following figure so as to ensure that S11 of the module is minimally affected. Figure 7. Recommendation of Antenna Layout Note: The hollow-out position is based on the antenna used. Shenzhen RF-star Technology Co., Ltd. Page 17 of 25...
3. If the extension wire or feeder wire is of poor quality or too long, the bit error rate will be high. 4.6 Electrostatics 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.
Time from 25 ℃ to Peak Temperature (t Max. 6 minutes Max. 8 minutes 20±10 s 20±10 s Time of Soldering Zone (t Figure 8. Recommended Reflow for Lead Free Solder Shenzhen RF-star Technology Co., Ltd. Page 19 of 25...
(2) this device must accept any interference received, including interference that may cause undesired operation. FCC ID: 2ABN2-RFBMS02A Figure 10. FCC Certificate 5.2 CE Verification No.: CCISE170703301V Figure 11. CE Certificate Shenzhen RF-star Technology Co., Ltd. Page 21 of 25...
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 24 of 25...
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