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RF-star Offers Stardard Wireless RF Modules & Solutions, Customized RF HW & SW Solutions and OEM & ODM.

Low-Cost BLE4.2 CC2541 Module RF-BM-S01A

RF-BM-S01A module is based on Texas Instruments CC2541 SoC. The higher and more stable performances enable the CC2541 module to enter a wide range of applications. RF-BM-S01A is one of the most classic Bluetooth LE4.2 modules.

P/N:
RF-BM-S01A
SoC:
CC2541
Processor:
Low-Power 8051 Microcontroller Core With Code Prefetch
Protocols:
Bluetooth 4.2 low energy
Working Frequency:
2402 MHz ~ 2480 MHz
Package (mm):
17.4 x 13.7 x 1.7, half-hole, 1.27 pitch, 28-pin
Features:
Debug pins lead out
GPIO:
19
Max. TX Power:
0 dBm
Transmission Range:
20 m

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RF-BM-S01A is a Bluetooth 4.2 Low Ennergy module based on TI CC2541 SoC. The first generation BLE4.2 module is based on an 8051 core and integrates a 32 MHz crystal, a 32.768 kHz crystal, an LC balun, and a high-performance inverted-F PCB antenna. This module can be pre-programmed with the BLE master or slave protocol, which supports transparent transmission mode and direct-driven mode. RF-BM-S01 and RF-BM-S01A is pin to pin compatible.

BLE4.2 CC2541 Module

- BLE 4.2 Transparent Transmission (Bridge) Protocol -

key features of BLE4.2 CC2541 Module

- Direct-Driven Protocol -

· Module roles: slave, master

· Adjustable parameters: baud rate, connection interval, broadcast interval, TX power…

- Applications -

· Smart light

· Smart power control

· Smart appliance

· Mobile Phone Accessories

· Smart water metering

· Smart toy

Related Resource：

Test Board Pinboard for TI Series Module (CC2540 CC2541 CC2640)

Wireless SoC:

Low-Power 8051 Microcontroller Core With Code Prefetch
TX power: 0 dBm
Sensitivity in BLE mode: -94 dBm
Memory

-256 kB flash
-8 kB SRAM

Features:

Bluetooth 4.2 low energy

Current Consumption:

0.35 μA in sleep mode
202 μA at 250 ms broadcast cycle
243 μA at 100 ms connection cycle

Operating Range:

Supply voltage range: 2.0 V ~ 3.6 V
Working temperature range: -40 °C ~ +85 °C

Rich Peripherals:

ADC
19 GPIOs
I²C
IR
DMA
UART (CTS/RTS)

Certificates:

RF-BM-S01_S01A Hardware Datasheet V1.0_20230526

TI CC254x Series BLE Modules
Part Number	RF-BM-S01	RF-BM-S01A	RF-BMPA-2541B1	RF-BM-S02	RF-BM-S02A	RF-BM-S02I
Photo
IC	C2540	CC2541	CC2541, CC2592	C2540	CC2541	C2540
Core	8051	8051	8051	8051	8051	8051
Antenna	PCB/Half-hole interface	PCB/Half-hole interface	PCB/IPEX/Half-hole interface	PCB	PCB	IPEX
RAM	8 KB	8 KB	8 KB	8 KB	8 KB	8 KB
Flash	256 KB	256 KB	256 KB	256 KB	256 KB	256 KB
Protocols	BLE4.2	BLE4.2	BLE4.2	BLE4.2	BLE4.2	BLE4.2
Power Supply	2.0 V ~ 3.6 V, recommend to 3.3 V	2.0 V ~ 3.6 V, recommend to 3.3 V	2.0 V ~ 3.6 V, recommend to 3.3 V	2.0 V ~ 3.6 V, recommend to 3.3 V	2.0 V ~ 3.6 V, recommend to 3.3 V	2.0 V ~ 3.6 V, recommend to 3.3 V
Frequency	2.4 GHz	2.4 GHz	2.4 GHz	2.4 GHz	2.4 GHz	2.4 GHz
Max. TX Power	+4 dBm	0 dBm	+19 dBm	+4 dBm	0 dBm	+4 dBm
Receiving Sensitivity	-94 dBm	-94 dBm	-94 dBm	-94 dBm	-94 dBm	-94 dBm
GPIO	19	19	19	13	13	13
Working Temperature	-40 ℃ ~ +85 ℃	-40 ℃ ~ +85 ℃	-40 ℃ ~ +85 ℃	-40 ℃ ~ +85 ℃	-40 ℃ ~ +85 ℃	-40 ℃ ~ +85 ℃
Storage Temperature	-40 ℃ ~ +125 ℃	-40 ℃ ~ +125 ℃	-40 ℃ ~ +125 ℃	-40 ℃ ~ +125 ℃	-40 ℃ ~ +125 ℃	-40 ℃ ~ +125 ℃
Transmission Range	75 m	55 m	120 m	70 m	50 m	80 m (external PCB antenna)
Dimension (mm)	17.4 x 13.7 x 1.7	17.4 x 13.7 x 1.7	31.4 x 13.7 x 2.1	15.2 x 11.2 x 1.7	15.2 x 11.2 x 1.7	15.2 x 11.2 x 2.1
Package	1.27-mm pitch half-hole	1.27-mm pitch half-hole	1.27-mm pitch half-hole	1.27-mm pitch half-hole	1.27-mm pitch half-hole	1.27-mm pitch half-hole
OTA	√	√	√	√	√	√
Bluetooth Mesh	×	×	×	×	×	×
Long Range	×	×	×	×	×	×
2Mbps PHY	×	×	×	×	×	×
AoA/AoD	×	×	×	×	×	×
UART Protocol	Master/Slave	Master/Slave	Master/Slave	Master/Slave	Master/Slave	Master/Slave
Functions	All IOs, Transparent transmission & Direct-driven	All IOs, Transparent transmission & Direct-driven	PA+LNA, longer transmission range	Small dimension, Transparent transmission & Direct-driven	Small dimension, Transparent transmission & Direct-driven	External antenna, Transparent transmission & Direct-driven

related case studies

Smart BLE Bulb

Smart BLE Lock

Bluetooth Remote Driving

Vehicle-mounted Passive Keyless Enter

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