EWM181-Z20SP Module réseau ad hoc ZigBee Auto-réparation du réseau Faible consommation d'énergie Prend en charge plusieurs topologies de réseau
[Interface de communication]：UART
[Fréquence de fonctionnement]： 2,4 GHz
[Puissance d’émission]：20 dBm
[Distance de communication]：0,8 km
[Dimensions]：14 x 20 mm
[Poids]：1,0 ± 0,1 g
[Introduction]：La série EWM181-Z20 est un module sans fil ZigBee 3.0 vers port série, de faible volume, conçu et fabriqué par Ebyte. De type CMS, il offre une puissance de transmission maximale de 20 dBm et un espacement des broches de 1,27 mm. Doté d'un micrologiciel réseau auto-organisateur, il est simple et facile à utiliser. Il est principalement adapté aux applications de transmission de données.
Magasin officiel| Main parameters | performance | Remark | |
| Minimum | Maximum | ||
| Supply voltage (V) | 0 | 3.8 | Over 3.8V 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 Value | Maximum | |||
| Operating voltage (V) | 2 | 3.3 | 3.8 | ≥3.3V can guarantee output power | |
| Communication level (V) | 3.3 | Using 5V TTL may burn out | |||
| Operating temperature (°C) | -40 | - | +85 | Industrial-grade design | |
| Operating frequency band (GHz) | 2.400 | - | 2.480 | Support ISM band | |
| Power consumption | Emission current (mA) | 200 | Instantaneous power consumption | ||
| Receive current (mA) | 11 | ||||
| Sleep current (μA) | 4 | Long-term dormancy | |||
| Maximum transmit power (dBm) | -5 | 20 | 20 | ||
| Main parameters | describe | Remark | |
| EWM181-Z20SP communication distance | 800m | Clear and open space, onboard PCB antenna, height 2 meters, air rate 250kbps | |
| EWM181-Z20SX communication distance | 1300m | Clear and open air, antenna gain 5.0dBi, height 2 meters, air rate 250kbps | |
| protocol | ZigBee | ||
| Communication interface | UART | TTL level | |
| Packaging | SMD | ||
| Packet length | Transparent transmission | 150 Bytes | |
| Fixed-point broadcast/multicast | 75 Bytes | ||
| Fixed-point unicast | 128 Bytes | ||
| Interface | 1.27mm | Stamp Holes | |
| Dimensions | 14*20mm | ||
| EWM181-Z20SP Antenna Interface | PCB | Equivalent impedance is about 50Ω | |
| EWM181-Z20SX Antenna Interface | IPEX | ||
| EWM181-Z20SP Product Weight | 1.0g | ±0.1g | |
| EWM181-Z20SX Product Weight | 1.3g | ||