EWM181-Z04SP: Compact ZigBee 3.0 UART Module for Seamless Wireless Data Transmission
The EWM181-Z04SP is a surface-mount 2.4GHz ZigBee 3.0 wireless module by Ebyte, featuring a UART interface, 4.5dBm max transmit power, and preloaded self-organizing firmware for plug-and-play deployment in low-power data transmission applications.
Key Product Features
- Self-Healing Mesh Networking: Automatically forms and repairs network topology—coordinators establish networks while routers/terminals join seamlessly.
- Ultra-Low Power Design: Achieves 0.8μA sleep current in terminal mode, ideal for battery-operated devices with configurable sleep cycles.
- Robust Security: AES-128 encryption and ZigBee 3.0 protocol compliance prevent eavesdropping and ensure data integrity.
- Plug-and-Play Deployment: Preloaded firmware enables out-of-box autonetworking—no complex configuration required.
- Industrial Durability: Operates at -40°C to +85°C with 1.27mm pin spacing for reliable performance in harsh environments.
Technical Specifications
- Communication Interface: UART (TTL level, 3.3V logic—5V risks damage)
- RF Frequency: 2.4GHz ISM band (2400–2480MHz)
- Transmit Power: 4.5dBm max (adjustable via software)
- Range: 130m line-of-sight (250kbps air rate, 2m height, PCB antenna)
- Power Supply: 2.0–3.6V DC (≥3.3V recommended for optimal power output)
- Current Consumption: 35mA (TX), 22mA (RX), 0.8μA (sleep)
- Data Capacity: 150-byte transparent transmission packets
- Dimensions: 14 × 20mm (±0.2mm)
- Antenna: Integrated PCB antenna (50Ω impedance)
- Certification: Industrial-grade (-40°C to +85°C), FCC/CE compliant
Typical Application Scenarios
- Smart Home Automation: Lighting control, HVAC sensors, and security systems requiring low-latency mesh networking.
- Industrial IoT Monitoring: Wireless sensor networks for temperature, humidity, or equipment status in factories.
- Asset Tracking: Low-power location monitoring in warehouses using coordinator-router-terminal hierarchies.
- Energy Management: Sub-metering devices (water/gas/electric) leveraging the 130m range and AES-128 security.
| Main parameters | performance | Remark | |||
| minimum value | Typical value | maximum value | |||
| Working voltage (V) | 2 | 3.3 | 3.6 | ≥3.3V guarantees output power | |
| Communication level (V) | 3.3 | Using 5V TTL risks burning out | |||
| Working temperature (℃) | -40 | - | 85 | Industrial grade design | |
| Working frequency band (GHz) | 2.4 | - | 2.48 | Support ISM band | |
| Power consumption | Emission current (mA) | 35 | Instantaneous power consumption | ||
| Receive current (mA) | 27 | ||||
| Sleep current (μA) | 0.8 | long dormancy | |||
| Maximum transmit power (dBm) | 3.5 | 4 | 4.5 | ||
| Receiving sensitivity (dBm) | -98 | -99 | -100 | Over-the-air speed is 250kbps | |
| Main parameters | describe | Remark | |
| Communication distance | 130m | Sunny and open space, onboard PCB antenna, height 2 meters, air rate 250kbps | |
| protocol | ZigBee | ||
| Communication interface | UART | ||
| Packaging method | SMD type | TTL level | |
| pass-through | Packet length | 150Bytes | |
| Fixed-point broadcast/multicast | 75Bytes | ||
| fixed-point unicast | 128Bytes | ||
| Interface mode | 1. 27mm | ||
| Overall dimensions | 14*20mm | ||
| Antenna interface | PCB | Equivalent impedance is about 50Ω | |
| Main parameters | performance | Remark | |
| minimum value | maximum value | ||
| Supply voltage (V) | 0 | 3.6 | Exceeding 3.6V will permanently burn the module |
| Blocking power (dBm) | - | 10 | Less likely to be burned if used at close range |
| Working temperature (℃) | -40 | 85 | Industrial grade |
