E22-400T30S SEMTECH LoRa solution wireless serial port module LoRa spread spectrum technology
[Frequency]：410.125～493.125MHz
[Power]：30dBm
[Distance]：10km
[Product weight]：5.7±0.1g
[Size]：25*40.5mm
[Introduction]：E22-400T30S is a wireless serial port module (UART) based on SEMTECH's LoRa solution. It has multiple transmission modes, LoRa spread spectrum technology, TTL level output, and is compatible with 3.3V and 5V IO port voltages.
| Operating parameter | Performance | Remark |
|---|---|---|
| Operating frequency | 410.125~493.125MHz | Support ISM band |
| Tx power | 30 dBm | - |
| Receiving sensitivity | -148dbm | Air data rate is 2.4kbps |
| Air data rate | 0.3k~62.5kbps | Controlled via user’s programming |
| Distance for reference | 10000m | Test condition：clear and open area, antenna gain: 5dBi，antenna height: 2.5m，air data rate: 2.4kbps |
| Size | 40.5*25 mm | - |
| Antenna | IPEX/stamp hole | 50 ohm impedance |
| Communication interface | UART | - |
| Package | SMD | - |
| Main parameter | Min. | Typ. | Max. | Unit | Remark |
|---|---|---|---|---|---|
| Operating voltage | 2.3 | 5.0 | 5.5 | V | ≥5.0 V ensures output power |
| Communication level | - | 3.3 | - | V | For 5V TTL, It is recommended to add level conversion |
| TX current | - | 610 | - | mA | Instant power consumption |
| RX current | - | 17 | - | mA | - |
| Sleep current | - | 2 | - | μA | Software is shut down |
| Operating temperature | -40 | - | +85 | ℃ | - |