RF2541 : BLE 4.0 UART BLE Module Adopts CC2541 SOC Chip
Type: Bluetooth
Certification: Others
Size:22.43*14.9
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RF2541-PL2 : BLE 4.0 UART BLE Module With OTA Capability
RF2541-PL2 is a BLE module and adopts CC2541 SOC chip from TI, RF2541-PL2 communicate with others through UART interface, with all the feature of BLE 4.0, it is easy to use, the features include: low power consumption, long distance, and strong anti-interference ability. There are two modules which constructs the master and slave function: RF2541- PL2 master and RF2541- PL2 slave. Those two modules come with same hardware but different software inside.
Parameters | Min. | Typ. | Max. | Unit | Condition |
Operation Conditions | |||||
Working voltage range | 2.0 | 3.3 | 3.6 | V | Internal 3.3V regulator voltage |
Working Temperature Range | -40 | 85 | ℃ | ||
Current Consumption | |||||
RX Current | ＜9 | mA | |||
TX Current | ＜15 | mA | |||
Standby Current | ＜1 | uA | |||
RF Parameters | |||||
Frequency Range | 2379 | 2496 | MHz | ||
Data rate | 250 | 2000 | Kbps | GFSK | |
Max TX power | -20 | 0 | dBm | ||
RX sensitivity | -98 | dBm | @250Kbps | ||
Features of BLE Module RF2541-PL2
- Frequency arrange：2379-2496MHz
- Sensitivity up to -99dBm@250kbps
- Data transfer rate :250K,500K,1M,2Mbps
- GFSK modulation
- 2.0-3.6 V power supply
- Low current in sleep mode <2uA
- Uart interface
- Master and Slave mode
- RSSI output, carrier detect indication
- Meet BQB and RoHS standards
- Point to point, flexible communication mode
Applications of BLE Module RF2541-PL2
- Mobile phone peripheral equipment
- Consumer health and medical care
- Human interface devices (keyboard, hand, remote control)
- 2.4GHz low power energy systems
- Home building automation
Pin NO. | Pin name | Description |
1 | RESET | Low level reset |
3 | TXD | Module data Tx pin (level voltage Max 3.3V) |
4 | RXD | Module data Rx pin (level voltage Max 3.3V) |
5 | SET | Configuration mode enable (High level to enter into the configuration mode, low level to enter into communication mode) |
6 | CS | Sleep control, High level to enter into the sleeping mode, Low level to enter into the normal communication mode. |
2,7 | NC | Vacant |
8 | LED | Communication status indication, Low level shows disconnected, High level shows connected |
9 | VCC | Connect VCC (2.0-3.6v) |
10、11、13 | GND | Connected to ground |
12 | ANT | Connected to antenna |
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