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E28-2G4M27S

[IC] : SX1280

[Frequency] : 2.4~2.5GHz

[Power] : 27dBm

[Distance] : 8.0km

[Interface] : SPI

[Weight] : 1.7±0.1g

[Introduction] : E28-2G4M27S is a 2.4GHz small SMD module (pin spacing 1.27mm)designed by Chengdu Ebyte. With built-in PCB antenna, SPI interface, it owns TX power of 500mW with power consumption.

改版E28-2G4M27S_02改版E28-2G4M27S_04改版E28-2G4M27S_05

RF ParameterValue
Remark
Working frequency
2400~2500 MHz

ISM band

Transmitting power27 dBm

About 500mW

Receiving sensitivity-132 dBm

Air data rate: 595kbps

Air data rate

LoRa(bps):0.595k~253.9k

FLRC(bps):260k~1.3M

GFSK(bps):125k~2M

Defined by user via programming

Test distance8000m

Test condition:clear and open area, antenna gain: 5dBi,

antenna height: 2.5m,air data rate: 1kbps


Hardware ParameterValue
Remark
Size
26.5 * 15 mm

-

Antenna typeIPEX / PCB

50Ω Impedance

Communication interfaceSPI

0~10Mbps

PackageSMD

-


Electronic parameterMin.Typ.Max.UnitCondition
Power supply
2.53.33.6V≥3.3 V ensures output power
Communication level-3.3-VFor 5V TTL, it may be at risk of burning down
Transmitting current

-

580-mAInstant power consumption
Receiving current-
14.5-mA
-
Sleep current-2.0-μASoftware is shut down
Operating temperature
-4020
+85-
Operating humidity
1060
90%-
Storage temperature
-4020
+125-


E28-2G4M27S_Size

Pin No.
Pin ItemPin DirectionPin Application
1VCC-

Power supply, 2.5V ~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(refer to SX1280 Datasheet for details)

7GND-

Ground, connecting to power source reference ground

8RX_ENInput

LNA control pin,valid in high level

9TX_ENInput

PA control pin,valid in 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

For status indication(refer to SX1280 Datasheet for details)

13DIO1Input/Output

GPIO(refer to SX1280 Datasheet for details)

14DIO2Input/Output

GPIO(refer to SX1280 Datasheet for details)

15DIO3Input/Output

GPIO(refer to SX1280 Datasheet for details)

16GND-

Ground, connecting to power source reference ground

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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: