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| Parameters | Min. | Typ. | Max. | Unit | Condition |
| Working Condition | |||||
| Voltage range | 2.8 | 5.0 | 6.5 | V | |
| Operating Temperature | -40 | 25 | +85 | ℃ | |
| Current Consumption | |||||
| Rx current | 20 | mA | |||
| Tx current | 19 | mA | |||
| Sleep current | 11 | uA | |||
| RF Parameters | |||||
| Frequency range | 2.4 | - | 2.484 | GHz | |
| Serial baud rate | 1200 | 9600 | 115200 | bps | |
| Tx power | -18 | - | +3 | dBm | Configurable |
| Special Function | Beacon |


| Pin NO. | Pin name | Description |
| 1 | VCC | Connected to the positive power supply (typical 5V) |
| 2 | GND | Connected to ground |
| 3 | TXD | TXD of the module and connect to external RXD |
| 4 | RXD | RXD of the module and connect to external TXD |
| 5 | SET | Configuration mode enable (low to enter into the setting mode, leave open or connect high level to exit setting mode) Valid when CS Pin is high or leave open. |
| 6 | CS | Module working Enable(Low level for sleep, current will be less than 40uA, default Low level). |
| 7 | NC | |
| 8 | GND | Connected to ground |
| 9 | GND | Connected to ground |

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