[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
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RF Parameter
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Value
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Remark
|
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Working frequency
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2400~2500 MHz
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ISM band
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Transmitting power
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27 dBm
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About 500mW
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Receiving sensitivity
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-132 dBm
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Air data rate: 595kbps
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Air data rate
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LoRa(bps):0.595k
FLRC(bps):260k
GFSK(bps):125k~2M
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Defined by user via programming
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Test distance
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8000m
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Test condition:clear and open area, antenna gain: 5dBi,
antennaheight: 2.5m,air data rate: 1kbps
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Hardware Parameter
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Value
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Remark
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Size
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26.5 * 15mm
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–
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Antenna type
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IPEX / PCB
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50Ω Impedance
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Communication interface
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SPI
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0～10Mbps
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Package
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SMD
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–
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Electronic parameter
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Min.
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Typ.
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Max.
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Unit
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Condition
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Power supply
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2.5
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3.3
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3.6
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V
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≥3.3 V ensures output power
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Communication level
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–
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3.3
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–
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V
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For 5V TTL, it may be at risk of burning down
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|
Transmitting current
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–
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580
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–
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mA
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Instant power consumption
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|
Receiving current
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–
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14.5
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–
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mA
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–
|
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Sleep current
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–
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2.0
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–
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μA
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Software is shut down
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Operating temperature
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-40
|
20
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+85
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℃
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–
|
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Operating humidity
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10
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60
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90
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%
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–
|
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Storage temperature
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-40
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20
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+125
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℃
|
–
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High Quality Industrial Components
*Original Semtech SX1280
*Industrial grade crystal oscillator
High precision and low temperature crystal oscillator
*Build-in PA+LNA
Improve receiving sensitivity
*High Quality Components
Mainly from Murata,TDK,AVX etc.
Key Features
1 BLE protocol compatibility
2 Support multiple modulation modes
3 Support ranging engine
4 High-Speed LoRa
Pin Definition
Circuit Diagram
Applications
With stable batch production,the module is suitable for various applications(especially for smart home,IoT)
Security Alarm
Internet of things (IoT)
Electricity Monitor
Factory
8 years of experience in R&D and manufacturing of wireless IoT productsand obtained more than 10 invention patents.
Certifications
Export Capacity
20+ export regions cover nearly one hundred countries,with an annual export value exceeding 20 million.
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