E28-2G4M27SX 2.4GHz SX1281 RF transceiver module,Extremely low current consumption in low-power mode
[Product weight]：1.5±0.1g
[Chip]：SX1281
[Power:]：27dBm
[Communication distance]：8km
[Size]：15*20mm
[Introduction]：E28-2G4M27SX is a 2.4GHz RF transceiver module designed and produced by Ebyte Company, with a transmit power of 500mW, SPI interface, and extremely low current consumption in low-power mode;the module is a small-volume SMD type (pin spacing 1.27mm) , using 52MHz industrial-grade high-precision low-temperature drift crystal oscillator to ensure its industrial characteristics and its stable performance.
| RF parameters | value | Remark |
| Working frequency | 2400~2500 MHz |
Supports ISM bands |
| Transmit power | 27 dBm |
Maximum power (about 500mW) |
| Receive sensitivity | -132 dBm |
Airspeed 595kbps |
| Air speed |
LoRa(bps)：0.595k~253.9k FLRC(bps)：260k~1.3M GFSK(bps)：125k~2M |
User programmable customization |
| Measured distance | 8000米 |
Clear sky, antenna gain 5dBi, antenna height 2.5m, airspeed 1kbps |
| Electrical parameters | Min | Typ | Max | Unit | Remark |
| Working voltage | 2.5 | 3.3 | 3.6 | V | ≥3.3V can guarantee output power |
| Communication level | - | 3.3 | - | V | Risk of burnout with 5V TTL |
| Emission current |
- | 580 | - | mA | Instantaneous power consumption |
| Receive current | - |
14.5 | - |
mA |
- |
| Sleep current | - | 2.0 | - | μA | software shutdown |
|
Working temperature |
-40 | - |
+85 | ℃ | Industrial grade design |
|
Working humidity |
10 | 60 |
90 | % | - |
|
Storage temperature |
-40 | 20 |
+125 | ℃ | - |
| Hardware parameters | value | Remark |
| Dimensions | 20 * 15 mm |
- |
| Antenna Interface | IPEX/PCB |
Equivalent impedance is about 50Ω |
| Communication Interface | SPI |
0～10Mbps |
| Packaging Method | SMD |
- |
