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E28-2G4M20S 2.4GHz SPI +20dBm Enhanced Power LoRa Transceiver Module

DWM20030704

The E28-2G4M20S 2.4GHz SPI +20dBm Enhanced Power LoRa Transceiver Module is based on original imported RFIC SX1280 from SEMTECH, adopts LoRa and FLRC And GFSK Modulation.

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Description

The 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.

Features:

RF Parameter Value
 Remark
Working frequency
 2400~2500 MHz

Default: 2.4GHz (52MHz oscillator)
Transmitting power 20 dBm

About 100mW
Receiving sensitivity -132 dBm

Air data rate: 125kbps
Air data rate 0.125M~2Mbps

Default: 125kbps
Test distance 6000m

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

air data rate: 125kbps

Hardware Parameter Value
 Remark
Size
 26.5 * 15 mm     
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

130

 140 150 mA 20dBm（100mW）
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 ℃

Pin Definition

E28-2G4M20S Pin difinition

Pin No.
 Pin Item Pin Direction Pin Application
1 VCC -

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

Ground, connecting to power source reference ground
3 MISO_TX Output

SPI data output pin,can be used as UART transmitting pin
4 MOSI_RX Input

SPI data input pin,can be used as UART receiving pin
5 SCK_RTSN Input

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

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

clearing transmitting pin
7 GND -

Ground, connecting to power source reference ground
8 RX_EN Input

LNA controlling pin. Valid under high level
9 TX_EN Input

PA controlling pin. Valid under high level
10 GND -

Ground, connecting to power source reference ground
11 NRESET Input

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

Status indication (refer to SX1280 Datasheet)
13 DIO1 Input/Output

Configurable general IO interface (refer to SX1280 Datasheet)
14 DIO2 Input/Output

Configurable general IO interface (refer to SX1280 Datasheet)
15 DIO3 Input/Output

Configurable general IO interface (refer to SX1280 Datasheet)
16 GND -

Ground, connecting to power source reference ground

UseFul Link:

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Product Details
DWM20030704
296 Items
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E28-2G4M20S 2.4GHz SPI +20dBm Enhanced Power LoRa Transceiver Module

The E28-2G4M20S 2.4GHz SPI +20dBm Enhanced Power LoRa Transceiver Module is based on original imported RFIC SX1280 from SEMTECH, adopts LoRa and FLRC And GFSK Modulation.

Write your review

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