E22-400T33D SX1268 RF chip Wireless Serial Port Module new generation of LoRa wireless module
[IC]：SX1268
[Frequency]：410.125~493.125MHz
[Power]：33dBm
[Distance]：16km
[Size]：37*60*7.6mm
[Introduction]：E22-400T33D is a new generation of LoRa wireless module. It is a wireless serial port module (UART) based on SX1268 radio frequency chip. It has a variety of transmission methods. Level output, support 3.3V - 5.5V supply voltage.
| Main parameters | Min. | Typ. | Max. | Remark | |
|---|---|---|---|---|---|
| Operating Voltage(V) | 3.3 | 5.0 | 5.5 | ≥4.7V Guaranteed output power | |
| Communication level(V) | - | 3.3 | - | There is a risk of burnout when using the 5V level | |
| Operating temperature(℃) | -40 | - | 85 | Industrial grade design | |
| Working frequency(MHz) | 410.125 | - | 493.125 | Support ISM band | |
| Emission current(mA) | 850 | 1000 | 1200 | Instantaneous power consumption@33dBm | |
| Receive current(mA) | 11 | 13 | 15 | - | |
| Sleep current(uA) | - | 2 | - | software shutdown | |
| Maximum transmit power(dBm) | 32 | 33 | 34 | - | |
| Receive sensitivity(dBm) | -126 | -128 | -130 | Air rate 2.4 kbps | |
| Air rate(bps) | 2.4k | 2.4k | 62.5k | User programming control |
| Working parameters | Performance | Remark |
|---|---|---|
| reference distance | 16km | Clear and open, antenna gain 5dBi, antenna height 2.5 meters |
| Launch length | 240 Byte | It can be sent in packets of 32/64/128/240 bytes by setting the instruction |
| Cache capacity | 1000 Byte | - |
| Modulation | LoRa | A new generation of LoRa modulation technology |
| Communication Interface | UART serial port | TTL level |
| Packaging method | Plugin | - |
| Interface | Plug-in pin header | Spacing 2.54mm |
| Dimensions | 37*60*7.6mm | Tolerance ±0.1mm (excluding pin header height) |
| RF interface | SMA | Equivalent impedance is about 50Ω |