[Chip solution]:LoRa solution
[Operating frequency]:410~510MHz
[Transmitting power]:22dBm
[Communication distance]:5km
[Product size]:14*17.5mm
[Product weight]:1.2±0.1g
[Introduction]:EWM226-400T22S is a transceiver integrated lawn mower LoRa wireless data transmission module, which works in the 410-510MHz frequency band, supports multiple power gear selections, free switching of air data rates, rich serial port baud rate selections, and easy operation. This lora module is suitable for high-speed transmission application scenarios such as smart security, advanced meter reading, and lawn mowers.
RF parameters | unit | Performance parameters | Remark |
Maximum transmit power | dBm | 22.0±1 | - |
Receiving sensitivity | dBm | -130 | The air rate is 2.4kbps |
Reference distance | M | 5K | In a clear and open environment, the antenna gain is 5dBi, the antenna height is 2.5 meters, and the air rate is 2.4kbps. |
Working frequency band | MHz | 410.125~493.125MHz | Support ISM band |
Air speed | bps | 2.4K~62.5K | User programmable control |
Blocking power | dBm | 10 | The probability of burning is lower when used at close range |
Launch length | Btye | 240 | The command can be set to send packets of 32/64/128/240 bytes |
Electrical parameters | unit | parameter | Remark | |
Operating voltage | In | 2.7~5.5 | ≥5V can guarantee the output power , and exceeding 5.5V will permanently burn the module. | |
Communication level | In | 3.3V | Using 5V TTL may burn out | |
Power consumption | Emission current | m.a. | 110 | Instantaneous power consumption @22dBm |
Receiving current | m.a. | 8 | ||
Sleep current | a | 3 | Software shutdown | |
Operating temperature | ℃ | -40~+85 | Industrial-grade design |
Hardware Parameters | parameter | Remark |
Crystal frequency | 32MHz | Industrial grade high precision crystal oscillator |
Modulation | LoRa | LoRa modulation technology |
Interface | 1.27mm stamp hole | |
Communication interface | UART Serial Port | TTL level |
Launch length | 240 Btye | The command can be set to send packets of 32/64/128/240 bytes |
Packaging | SMD | - |
Cache capacity | 1000Btye | - |
Antenna interface | IPEX/Stamp Hole | Equivalent impedance is about 50Ω |
size | 14 * 20 mm | ±0.1mm |
Product Net Weight | 1.95g | ±0.05g |