[Communication Interface]:UART
[Operating Frequency]:2.4GHz
[Transmit Power]:12dBm
[Communication Distance]:0.6km
[Size]:14*20mm
[Product weight]:1.3±0.1g
[Introduction]:The EWM181-Z12SX series is a small-sized 2.4GHz frequency band ZigBee 3.0 to serial port wireless module designed and produced by Ebyte. It is a SMD type, with a maximum transmit power of 12dBm, a pin pitch of 1.27mm, and comes with self-organizing network firmware. It is simple and easy to use. The ZigBee 3.0 wireless module is mainly suitable for data transmission application scenarios.
| Main parameters | performance | Remark | |
| Minimum | Maximum | ||
| Power supply voltage (V) | 0 | 3.6 | Over 3.6V will permanently burn the module |
| Blocking power (dBm) | - | 10 | The probability of burning is lower when used at close range |
| Operating temperature (°C) | -40 | 85 | Industrial grade |
| Main parameters | performance | Remark | |||
| Minimum | Typical values | Maximum | |||
| Operating voltage (V) | 2 | 3.3 | 3.6 | ≥3.3V can guarantee output power | |
| Communication level (V) | 3.3 | Using 5V TTL has the risk of burning | |||
| Operating temperature (°C) | -40 | - | 85 | Industrial-grade design | |
| Operating frequency band (GHz) | 2.4 | - | 2.48 | Support ISM band | |
| Power consumption | Emission current (mA) | 28 | Instantaneous power consumption | ||
| Receive current (mA) | 10 | ||||
| Sleep current (μA) | 2 | Long-term dormancy | |||
| Maximum transmit power (dBm) | -3 | 12 | 12 | ||
| Main parameters | describe | Remark | |
| EWM181-Z12SP communication distance | 300m | Clear and open air, onboard PCB antenna, 2 meters height, air data rate 250kbps | |
| EWM181-Z12SX communication distance | 600m | Clear and open air, antenna gain 3.0dBi, height 2 meters, air data rate 250kbps | |
| protocol | ZigBee | ||
| Communication interface | UART | TTL level | |
| Packaging | SMD | ||
| Data packet length | Transparent transmission | 150 Bytes | |
| Fixed-point broadcast/multicast | 75 Bytes | ||
| Fixed-point unicast | 128 Bytes | ||
| Interface | stamp holes | 1.27mm pitch | |
| Dimensions | 14*20mm | ±0.2mm | |
| EWM181-Z12SP antenna interface | PCB | Equivalent impedance is about 50Ω | |
| EWM181-Z12SX antenna interface | IPEX | Equivalent impedance is about 50Ω | |
| EWM181-Z12SP Product Weight | 1.0g | ±0.1g | |
| EWM181-Z12SX Product Weight | 1.3g | ±0.1g | |