[Introduction]：E28-2G4M12S is a 2.4GHz bluetooth module designed by Chengdu Ebyte. With built-in PCB antenna, it adopts the original RFIC SX1281 of Semtech, it works at 2.400 ~ 2.500GHz with ultra-low power consumption. It is applicable for smart home, security system & etc.
Brand Name:EBYTE
Origin:Mainland China
Condition:New
Type:Drive IC
Model Number:E28-2G4M12S
Supply Voltage:1.8 - 3.6 V
Dissipation Power:18mW
Operating Temperature:-40 - +85 ℃
Application:Computer
Package:SMD
IC:SX1281
Frequency:2.4~2.5GHz
Power:12.5dBm
Distance:3.0km
Interface:SPI
Weight:1.6±0.1g
Size:24*15mm
| RF Parameter | Value |
Remark |
| Working frequency |
2400~2500 MHz |
Default: 2.4GHz (52MHz oscillator) |
| Transmitting power | 12.5 dBm |
About 18mW |
| Receiving sensitivity | -130 dBm |
Air data rate: 125kbps |
| Air data rate | 0.125M~2Mbps |
Default: 125kbps |
| Test distance | 3000m |
In open and clear air, with maximum power, 5dBi antenna gain, height of 2m, air data rate: 125kbps |
| Hardware Parameter | Value |
Remark |
| Size |
24*15mm | |
| Antenna type | IPEX / PCB | |
| Communication interface | SPI |
|
| Package | SMD |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
| Power supply |
1.8 | 3.3 | 3.6 | V | |
| Communication level | 1.8 | 3.3 | 3.6 | V | |
| Transmitting current |
42 |
45 | 50 | mA | 12.5dBm（18mW） |
| Receiving current | 9 |
10 | 11 | mA |
|
| Sleep current | 1 | 2 | 3 | μA | |
| Operating temperature |
-40 | 20 |
+85 | ℃ | |
| Operating humidity |
10 | 60 |
90 | % | |
| Storage temperature |
-40 | 20 |
+125 | ℃ |
