[Communication interface]：UART serial port
[Working frequency]：2405~2478MHz
[Transmit power]：12dBm～20dBm
[Communication distance]：300m
[Product size]：16*26mm
[Product weight]： 2.2±0.1g
| RF Parameter | Parameter Value | Remarks |
| Working frequency | 2405~2478MHz | Support ISM band |
| Transmit power | 12dBm～20dBm | Software adjustable |
| Receive sensitivity | -88dBm | Air speed 2Mbps |
| Modulation | GFSK | modulation technology |
| blocking power | 15dBm | Less likely to be burned if used at close range |
| Audio sample rate | 8KHz | On-chip 12-bit ADC |
| reference distance | 300m | Sunny and open space, antenna gain 5dBi, antenna height 2.5 meters, air rate 500kbps |
| Main Parameters | Performance | Remarks | |||
| Minimum value | Typical value | Maximum value | |||
| Working voltage (V) | 2.2 | 3.3 | 3.6 | ≥3.3V can guarantee the output power. If it exceeds 3.6V, the module will be burned permanently. | |
| I/O voltage | -0.3 | - | 3.6 | Exceeding 3.6V may permanently damage module I/O | |
| Communication level (V) | -0.3 | 3.3 | 3.6 | There is a risk of burning when using 5V level | |
| Working temperature (℃) | -40 | - | 85 | Industrial grade design | |
| Power consumption | Emission current (mA) | 180 | 190 | 200 | Instantaneous power consumption, average emission current: 80mA |
| Receive current (mA) | - | 1 | - | Receive mode, average power consumption in a single cycle | |
| Sleep current (uA) | - | 12 | - | Receive mode, sleep average power consumption | |
| Hardware parameters | Parameter value | Remarks |
| Packaging method | SMD type | - |
| Interface mode | stamp hole | Pitch 1.27mm |
| Communication Interface | UART serial port | TTL level |
| Dimensions | 16*26mm | - |
| Product Weight | 2.2g | ±0.1g |
| RF interface | IPEX/stamp hole | Equivalent impedance is about 50Ω |
