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E28-2G4M12S

[IC]:SX1280

[Frequency]:2.4~2.5GHz

[Power]:12.5dBm

[Distance]:3.0km

[Interface]:SPI

[Weight]:1.6±0.1g

[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-E28-2G4M12S_01
1000

en-E28-2G4M12S_02

en-E28-2G4M12S_04

en-E28-2G4M12S_05


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
24*15mm    
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

       Order online
    【eBay】:https://www.ebay.com/usr/cdebyte
    【Aliexpress】:https://www.aliexpress.com/store/2798183  
    【Alibaba】:https://www.alibaba.com    


       For batch order/customized product
    【Sales hotline】:+86-28-61399028 Ext.812  
    【E-mail】:service@cdebyte.com


       Technical support
    【Submit online】:http://www.ebyte.com/en/apple-technology.aspx
    【E-mail】:support@cdebyte.com  

E28-2G4M12S


产品
型号
IC Interface Frequency
Hz
Power
dBm
Distance
km
Air
data
rate
Package Size
(mm)
Feature技术
手册
样品
购买
E28-2G4T27SX UART SX1281 2.4G 27 7 1k ~ 2M SMD 40.5*25 LoRa spread spectrum, high-speed continuous transmission
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
  • E28-2G4T27SX

    产品型号:E28-2G4T27SX

    IC :UART

    Interface :SX1281

    Frequency Hz :2.4G

    Power dBm :27

    Distance km :7

    Air data rate :1k ~ 2M

    Package :SMD

    Size (mm) :40.5*25

    Feature:LoRa spread spectrum, high-speed continuous transmission

    PDF :

    购买:

  • E28-2G4M27S

    产品型号: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 :

    购买:

  • E28-2G4T12S

    产品型号: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 :

    购买:

  • E28-2G4M20S

    产品型号: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 :

    购买:

  • E28-2G4M12S

    产品型号: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 :

    购买:

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