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E28-2G4M12S

[IC] : SX1280

[Frequency] : 2.4~2.5GHz

[Power] : 12.5dBm

[Distance] : 3.0km

[Interface] : SPI

[Introduction] : E28-2G4M12S is a 2.4GHz bluetooth module designed by Chengdu Ebyte. With built-in PCB antenna, it adopts the original RFIC SX1280 of Semtech, it works at 2.400 ~ 2.500GHz with ultra-low power consumption. It is applicable for smart home, security system & etc.

EN硬件E28-2G4M12S
LoRa
应用标题_02
RFID识别_07
工业遥控-EN (9)
环境监测_10
无人机-EN (13)

RF ParameterValue
Remark
Working frequency
2400~2500 MHz

Default: 2.4GHz (52MHz oscillator)

Transmitting power12.5 dBm

About 18mW

Receiving sensitivity-130 dBm

Air data rate: 125kbps

Air data rate0.125M~2Mbps

Default: 125kbps

Test distance3000m

In open and clear air, with maximum power, 5dBi antenna gain, height of 2m,

air data rate: 125kbps


Hardware ParameterValue
Remark
Size
25 * 14 mm    
Antenna typeIPEX / PCB    
Communication interfaceSPI


PackageSMD

   


Electronic parameterMin.Typ.Max.UnitCondition
Power supply
1.83.33.6V
Communication level1.83.33.6V
Transmitting current

42

4550mA12.5dBm(18mW)
Receiving current9
1011mA

Sleep current123μA
Operating temperature
-4020
+85
Operating humidity
1060
90%
Storage temperature
-4020
+125


E28(2G4M12S)_Size

Pin No
Pin itemPin directionPin application
1VCC-

Power supply, 1.8V ~3.6V (recommend to add external ceramic filter capacitor)

2GND-

Ground, connecting to power source reference ground

3MISO_TXOutput

SPI data output pin,can be used as UART transmitting pin

4MOSI_RXInput

SPI data input pin,can be used as UART receiving pin

5SCK_RTSNInput

SPI clock input pin,can be used as UART request transmitting pin

6NSS_CTSInput

Module chip selection pin, used to start a SPI communication; and can be used as UART

clearing transmitting pin

7GND-

Ground, connecting to power source reference ground

8GND-

Ground, connecting to power source reference ground

9NRESETInput

Chip reset initiation input pin, valid under low level, built-in 50k pull-up resistor

10BUSYOutput

Status indication (referto SX1280 Datasheet)

11DIO1Input/Output

Configurable general IO interface (refer to SX1280 Datasheet)

12DIO2Input/Output

Configurable general IO interface (refer to SX1280 Datasheet)

13DIO3Input/Output

Configurable general IO interface (refer to SX1280 Datasheet)

14GND-

Ground, connecting to power source reference ground

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E28-2G4M12S


ModelIC Interface Frequency
Hz
Power
dBm
Distance
km
Air
data
rate
Package Size
(mm)
Feature ManualSample
E28-2G4M27S SPI SX1280 2.4G 27 8 0.125M~2M SMD 15 * 26.5 LoRa spread spectrum,FLRC
E28-2G4T12S UART SX1280 2.4G 12.5 3 1k ~ 2M SMD 17.5* 28.7 LoRa spread spectrum
E28-2G4M20S SPI SX1280 2.4G 20 6 0.125M~2M SMD 15 * 26.5 LoRa spread spectrum,FLRC
E28-2G4M12S SPI SX1280 2.4G 12.5 3 0.125M~2M SMD 14*25 LoRa spread spectrum,FLRC
  • E28-2G4M27S

    Product model:E28-2G4M27S

    IC : SPI

    Interface : SX1280

    Frequency Hz : 2.4G

    Power dBm : 27

    Distance km : 8

    Air data rate : 0.125M~2M

    Package : SMD

    Size (mm) : 15 * 26.5

    Feature : LoRa spread spectrum,FLRC

    PDF :

    BUY:

  • E28-2G4T12S

    Product model:E28-2G4T12S

    IC : UART

    Interface : SX1280

    Frequency Hz : 2.4G

    Power dBm : 12.5

    Distance km : 3

    Air data rate : 1k ~ 2M

    Package : SMD

    Size (mm) : 17.5* 28.7

    Feature : LoRa spread spectrum

    PDF :

    BUY:

  • E28-2G4M20S

    Product model:E28-2G4M20S

    IC : SPI

    Interface : SX1280

    Frequency Hz : 2.4G

    Power dBm : 20

    Distance km : 6

    Air data rate : 0.125M~2M

    Package : SMD

    Size (mm) : 15 * 26.5

    Feature : LoRa spread spectrum,FLRC

    PDF :

    BUY:

  • E28-2G4M12S

    Product model:E28-2G4M12S

    IC : SPI

    Interface : SX1280

    Frequency Hz : 2.4G

    Power dBm : 12.5

    Distance km : 3

    Air data rate : 0.125M~2M

    Package : SMD

    Size (mm) : 14*25

    Feature : LoRa spread spectrum,FLRC

    PDF :

    BUY: