E28-2G4T12S is an UART module based on SEMTECH SX1281. it adopts transparent transmission and works at 2.4GHz band. It adopts LoRa, FLRC and GFSK modulations. It features SMD packing with both IPX and PCB antenna interfaces, and its TTL output is 3.3V. This module offers maximum flexibility with a variety of options, including LoRa, FLRC, and GFSK modulations, plus IPX and PCB antenna interfaces with a TTL output voltage of 3.3V. It's a great choice for reliable connection and transmission at 2.4GHz band.
Brand Name:EBYTE
Origin:Mainland China
Condition:New
Type:Drive IC
Model Number:E28-2G4T12S
Size:17.5 * 28.7 mm
Power:12.5dBm
Frequency:SX1281
Distance:3000m
Interface:UART
Antenna type:IPEX / PCB
Supply Voltage:2.3-5.5V
RF IC:SX1280
Package:SMD
Type:Lora Wireless Module
| RF Parameter | Value | Remark |
|---|---|---|
| Working frequency | 2400~2500 MHz | ISM band |
| Transmitting power | 12.5 dBm | - |
| Receiving sensitivity | -132 dBm | Air data rate: 1.0kbps |
| Modulation | LoRa FLRC GFSK |
- |
| Test distance | 3000m | Test condition：clear and open area, antenna gain: 5dBi，antenna height: 2.5m，air data rate: 1kbps |
| Hardware Parameter | Value | Remark |
|---|---|---|
| Size | 17.5 * 28.7 mm | - |
| Antenna type | IPEX / PCB | 50Ω Impedance |
| Communication interface | UART | TTL |
| Package | SMD | - |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
|---|---|---|---|---|---|
| Power supply | 2.3 | 5.0 | 5.5 | V | ≥5.0V ensures output power |
| Communication level | - | 3.3 | - | V | For 5V TTL, it may be at risk of burning down |
| Transmitting current | - | 46 | - | mA | Instant power consumption |
| Receiving current | - | 20 | - | mA | - |
| Sleep current | - | 8 | - | μA | Software is shut down |
| Operating temperature | -40 | 20 | 85 | ℃ | - |
| Operating humidity | 10 | 60 | 90 | % | - |
| Storage temperature | -40 | 20 | 125 | ℃ | - |
