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E28-2G4M20S

[IC]:SX1280

[Frequency]:2.4~2.5GHz

[Power]:20dBm

[Distance]:6.0km

[Interface]:SPI

[Weight]:1.9±0.1g

[Introduction]:E28-2G4M20S is a 2.4GHz bluetooth module designed by Chengdu Ebyte.The IC SX1280 features multiple physical layers and various modulating methods such as LoRa, FLRC and GFSK. The special modulating and processing methods enable longer operating range with LoRa and FLRC modulating, and the GFSK method covers BLE protocol.

硬件E28(2G4M20S)
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 power20 dBm

About 100mW

Receiving sensitivity-132 dBm

Air data rate: 125kbps

Air data rate0.125M~2Mbps

Default: 125kbps

Test distance6000m

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

air data rate: 125kbps


Hardware ParameterValue
Remark
Size
26.5 * 15 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

130

140150mA20dBm(100mW)
Receiving current9
1011mA

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


E28-2G4M27S_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

8RX_ENInput

LNA controlling pin. Valid under high level

9TX_ENInput

PA controlling pin. Valid under high level

10GND-

Ground, connecting to power source reference ground

11NRESETInput

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

12BUSYOutput

Status indication (refer to SX1280 Datasheet)

13DIO1Input/Output

Configurable general IO interface (refer to SX1280 Datasheet)

14DIO2Input/Output

Configurable general IO interface (refer to SX1280 Datasheet)

15DIO3Input/Output

Configurable general IO interface (refer to SX1280 Datasheet)

16GND-

Ground, connecting to power source reference ground

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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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