E22-T Serisi , LoRa Modül E22-400T22DC
E22-400T22DC
[IC]：SX1262
[Frequency]：410.125~493.125MHz
[Power]：22dBm
[Distance]：5.5km
[Size]：36*21mm
[Introduction]：E22-400T22DC is a wireless serial port module (UART) based on SEMTECH's SX1262 RF chip. It has multiple transmission modes, working in the 410.125MHz~493.125MHz, frequency (default 433.125MHz), LoRa spread spectrum technology, TTL level output, compatible with 3.3V and 5V IO port voltage.
| Model | IC | Interface | Frequency Hz | Power dBm | Distance km | Air Rate (bps) | Package | Size (mm) | Feature | Manual |
| E22-400T22D | UART | SX1268 | 433M 470M | 22 | 5,0 | 0.3~62.5k | DIP | 21*36 | New generation of LoRa spread spectrum technology | ✔ |
| E22-400T22DC | UART | SX1262 | 433M 470M | 22 | 5,5 | 0.3~62.5k | DIP | 21*36 | New generation LoRa modulation technology | ✔ |
| E22-400T22S1B | SX1268 | UART | 433M 470M | 22 | 5,0 | 0.3~62.5k | SMD | 16*26 | Low consumption, anti-interference | ✔ |
| E22-400T22S1C | UART | SX1262 | 433M 470M | 22 | 5,5 | 0.3~62.5k | SMD | 16*26 | LoRa Automatic relay | ✔ |
| E22-400T30D | UART | SX1268 | 433M 470M | 30 | 8,0 | 0.3~62.5k | DIP | 24*43 | New LoRa Spread Spectrum,Automatic relay,Wireless configuration | ✔ |
| E22-400T30DC | UART | SX1262 | 433M 470M | 30 | 10,0 | 0.3~62.5k | DIP | 24*43 | New generation LoRa modulation technology | ✔ |
| E22-400T30S1B | SX1268 | UART | 433M 470M | 30 | 10,0 | 0.3~62.5k | SMD | 40.5*25 | Low consumption, anti-interference | ✔ |
| E22-400T30S1C | UART | SX1262 | 433M 470M | 30 | 10,0 | 0.3~62.5k | SMD | 25*40.5 | LoRa spread spectrum technology | ✔ |
| E22-900T22D | UART | SX1262 | 868M 915M | 22 | 5,0 | 0.3~62.5k | DIP | 21*36 | A new generation of LoRa spread spectrumtechnology | ✔ |
| E22-900T22S1B | SX1262 | UART | 868M 915M | 22 | 5,0 | 0.3~62.5k | SMD | 16*26 | Low consumption, anti-interference | ✔ |
| E22-900T22S1C | UART | SX1262 | 868M 915M | 22 | 7,0 | 0.3~62.5k | SMD | 16*26 | LoRa Automatic relay | ✔ |
| E22-900T30S1B | SX1262 | UART | 868M 915M | 30 | 10,0 | 0.3~62.5k | SMD | 40.5*25 | Low consumption, anti-interference | ✔ |
| Main parameter | Description |
Remark |
| Distance for reference |
5.5kM |
Test condition：clear and open area, antenna gain: 5dBi，antenna height: 2.5m，air data rate: 2.4kbps |
| TX length |
240 Byte |
Can be configured via command as 32/64/128/240 bytes per packet to transmit |
| Buffer |
1000 Byte |
- |
| Modulation |
LoRa |
New generation LoRa modulation technology |
| Communication interface |
UART |
TTL level |
| Package |
DIP |
- |
| Size |
21*36 mm |
- |
| Antenna |
SMA-K |
50 ohm impedance |
| Main parameter | Min. | Typ. | Max. | Unit | Remark |
| Operating voltage |
2.3 |
5 | 5.5 | V | ≥5.0 V ensures output power |
| Communication level |
- | 3.3 |
- | V |
For 5V TTL, It is recommended to add level conversion |
| Operating temperature |
-40 |
- | +85 |
℃ |
Industrial design |
| Operating frequency |
410.125 |
433.125 |
493.125 |
MHz |
Support ISM band |
| TX current |
- | 110 |
- | mA |
Instant power consumption |
| RX current |
- | 12 |
- | mA |
- |
| Sleep current |
- | 2 |
- | μA |
Software is shut down |
| Max Tx power |
21.5 |
22.0 | 22.5 | dBm |
- |
| Receiving sensitivity |
-146 |
-147 |
-148 |
dBm |
Air data rate is 0.3 kbps |
| Air data rate |
0.3k |
2.4k |
62.5k |
bps |
Controlled via user’s programming |
| No. |
Name | Direction | Function |
| 1 | M0 |
Input（weak pull-up） |
Work with M1 to decide 4 working modes of module (not suspended, if not used, could be grounded). |
| 2 | M1 |
Input（weak pull-up） |
Work with M0 to decide 4 working modes of module (not suspended, if not used, could be grounded). |
| 3 | RXD |
Input |
TTL UART input, connects to external TXD output pin. |
| 4 | TXD |
Output |
TTL UART output, connects to external RXD input pin. |
| 5 | AUX |
Output |
To indicate module ’s working status & wakes up the external MCU. During the procedure of self-check initialization, the pin outputs low level.(suspending is allowed). |
| 6 | VCC |
Power supply |
Module power supply positive reference, voltage range: 2.3 ～ 5.5V DC |
| 7 | GND |
Power supply |
Ground |
| 8 | Fixed hole |
- |
Fixed hole（Connect to GND on the module） |
| 9 | Fixed hole |
- |
Fixed hole（Connect to GND on the module） |
| 10 | Fixed hole |
- |
Fixed hole（Connect to GND on the module） |
