E220-400T22D Wireless Module RSSI ISM 433MHz 470MHz 22dBm LoRa Spread Spectrum DIP UART Interface SMA-K Antenna Low Power
[IC]：LLCC68
[Frequency]：410.125~493.125MHz
[Power]：22dBm
[Distance]：5km
[Size]：21*36mm
[Introduction]：E220-400T22D adopts a new generation of LoRa spread spectrum technology and a wireless serial port module (UART) designed based on the LLCC68 chip scheme. It has a variety of transmission methods, works in the(410.125～493.125MHz) frequency band (default 433.125MHz), 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 | -127dbm | Air data rate 2.4kbps |
| Air data rate | 2.4k~62.5kbps | To control via user’s program |
| 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 | 21 * 36mm | - |
| Antenna | SMA-K | 50 ohm impedance |
| Communication interface | UART | TTL Level |
| Package | DIP | - |
| Main Parameter | Min | Typ. | Max. | Unit | Remark |
|---|---|---|---|---|---|
| Operating voltage | 2.3 | 3.3 | 5.5 | V | ≥3.3V ensures output power |
| Communication level | - | 3.3 | - | V | For 5V TTL, it may be burning down |
| TX current | - | 110 | - | mA | Instant power consumption @30dBm |
| RX current | - | 16.8 | - | mA | 5V Voltage |
| Sleep current | - | 5.0 | - | uA | Sleep mode |
| Operating temperature | -40 | 20 | +85 | ℃ | Industrial design |