E220-400T22S LLCC68 LoRa Wireless RF Module 22dBm ISM band 433MHz LoRa Spread Spectrum SMD IPEX Antenna Anti-interference
[IC]：LLCC68
[Frequency]：410.125~493.125MHz
[Power]：22dBm
[Distance]：5km
[Size]：16*26mm
[Introduction]：E220-400T22S is a new generation of LoRa wireless serial port module (UART), based on Semtech's original LLCC68 chip design. It has a variety of transmission methods, works in the (410.125～493.125MHz) frequency band (default 433.125MHz), LoRa spread spectrum technology, TTL level output, compatible with 3.3V and 5V IO port voltage
| Main parameter | Performance | Remark |
|---|---|---|
| Operating frequency | 410.125~493.125MHz | Support ISM band |
| Tx power | 22 dBm | - |
| Receiving sensitivity | -129dbm | - |
| Air data rate | 2.4k~62.5kbps | Controlled via user’s programming |
| Distance for reference | 5Km | Test condition：clear and open area, antenna gain: 5dBi，antenna height: 2.5m，air data rate: 2.4kbps |
| Main parameter | Performance | Remark |
|---|---|---|
| Size | 16 * 26 mm | - |
| Antenna | IPEX/stamp hole | 50 ohm impedance |
| Communication interface | UART | TTL Level |
| Package | SMD | - |
| Main parameter | Min. | Typ. | Max. | Unit | Remark |
|---|---|---|---|---|---|
| Operating voltage | 2.3 | 3.3 | 5.5 | V | ≥3.3 V ensures output power |
| Communication level | - | 3.3 | - | V | For 5V TTL, it may be at risk of burning down |
| TX current | - | 110 | - | mA | Instant power consumption @22dBm |
| RX current | - | 11 | - | mA | - |
| Sleep current | - | 2 | - | uA | Software is shut down |
| Operating temperature | -40 | 20 | +85 | ℃ | Industrial design |