[Transmitting power]：30dBm
[Communication distance]：10km
[Air rate]：2.4k～62.5kbps
[Product size]： 26*16mm
[Product weight]：5.8±0.05g
[Introduction]：E290-400T30S is a new generation of wireless module, a UART wireless serial port module based on the Panqiwei PAN3060 RF chip, with multiple transmission modes, working in the (410.125~493.125MHz) frequency band, using spread spectrum technology ChirpIoT™, TTL level output. The wireless module adopts a new generation of ChirpIoT™ spread spectrum technology, supports half-duplex wireless communication, has high anti-interference and high sensitivity; supports air wake-up, wireless configuration, automatic relay, communication key, AT command, IAP upgrade and other functions, supports sub-packet length setting, and can provide customized development services.
| Radio frequency parameters | Unit | Describe | Remark |
| Maximum transmit power | dBm | 30 | - |
| Receive sensitivity | dBm | -133~-135 | Air rate is 2.4kbps |
| Reference distance | m | 10k | It is clear and spacious, with an antenna gain of 5dBi, an antenna height of 2.5 meters, and an air speed of 2.4kbps. |
| Working frequency band | MHz | - |
|
| Air speed | bps | 2.4k ~ 62.5k | User Programming Control |
| Blocking power | dBm | 10 | There is a risk of burning when used in close range |
| Emission length | Btye | 240 | Subcontract 32/64/128/240 bytes can be set through instructions |
| Cache capacity | Btye | 500 | - |
| Electrical parameters | unit | describe | Remark | ||
| Operating voltage | In | 3.3~5.5 | ≥5V can guarantee the output power, and if it exceeds 5.5V, there is a risk of burning the module. | ||
| Communication level | In | 3.3V | Use 5V TTL with risk of burning | ||
| Power consumption | Emitting current | and | 610 | Fixed load instantaneous power consumption, different antenna measurement results | |
| Receive current | DCDC mode | and | 13 | - | |
| LDO mode | 16 | ||||
| Sleep current | do | 3 | Software shutdown | ||
| temperature | Operating temperature | ℃ | -40～+85 | Industrial design | |
| Storage temperature | ℃ | -40～+85 | Industrial design | ||
| Hardware parameters | Describe | Remark |
| Crystal oscillator frequency | 32MHz | Industrial-grade high-precision crystal oscillator |
| Modulation method | ChirpIoT™ | The next generation of ChirpIoT™ modulation technology |
| Interface method | 1.27mm stamp hole | |
| Communication interface | UART serial port | TTL level |
| Packaging method | SMD type | - |
| Antenna interface | IPEX/stamp hole | Equivalent impedance is about 50Ω |
| size | 40.5*25mm | ±0.2mm |
| Net weight of product | 5.8g | ±0.05g |
