[Communication Interface]: UART
[Operating Frequency]:470-510MHz
[Transmit Power]: 20dBm
[Modulation]:DPFSK
[Communication Distance]:5km
[Size]:16*26mm
[Introduction]:The EWM293-470T20S is a brand-new, China-made, long-range Sub-1G wireless data transmission module launched by Chengdu Ebyte. It features high speed, long transmission distance, and low cost. Operating in the 470MHz-510MHz frequency band, this LPWAN transmission module provides universal UART-based AT commands and flexible parameter configuration capabilities, allowing users to quickly transmit and receive data wirelessly based on application requirements.
| Parameter name | Parameter value | Remark |
| Operating frequency band | 470MHz~510MHz | Configurable frequency band |
| Air speed | 0.441kbps ~ 85.106kbps | - |
| Receive sensitivity | -129dBm | @1.8kbps |
| Modulation method | DPFSK | Modulation technology |
| Transmit power | 20dBm±1dBm | @3.3V |
| RF interface | IPEX-1/Stamp Hole | Equivalent impedance is about 50Ω |
| Packaging | SMD | - |
| Interface | Stamp holes (1.27mm spacing) | - |
| Communication interface | UART serial port | Support AT commands |
| Serial port configuration | 115200bps 8N1 | |
| Dimensions | 16 * 26 mm | |
| Product Net Weight | - |
| Parameter name | Minimum | Typical values | Maximum | Remark |
| Operating voltage ( V ) | 1.8 | 3.3 | 5.5 | ≥Typical value can guarantee output power, exceeding 5.5 V may cause burnout risk |
| Operating temperature (°C) | -40 | - | 85 | Industrial-grade design |
| Operating humidity ( % ) | 10 | - | 90 | - |
| Sleep current ( uA ) | - | 1.5 | - | |
| Emission current ( mA ) | - | 85.5 | - | when transmitting at maximum transmit power Instantaneous power consumption |
| Receive current ( mA ) | - | 16.9 | - |