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E32-915T20S

[IC] : SX1276

[Frequency] : 900~931MHz

[Power] : 10~20dBm

[Distance] : 3km

[Interface] : UART

[Weight] : 2.1±0.1g

[Introduction] : E32-915T20S is a wireless serial port module

(UART) based on SEMTECH's SX1276 RF chip. It has multiple transmission modes, working in the 900MHz~931MHz, (default 915MHz), LoRa spread spectrum technology, TTL output, compatible with 3.3v and 5v IO.

Manual
Sample
Outline features
Specification Parameters Pin Definition Order way Related Products

EN_915首屏EN-温补新
EN-E32-868T20S (2)EN-E32-868T20S (3)EN-E32-868T20S (4)EN-E32-868T20S (5)

RF ParameterValue
Remark
Working frequency
900~931 MHz

Support ISM band

Transmitting power20 dBm

Default: 20dBm（About 100mW）

Receiving sensitivity-146 dBm

Air data rate is 0.3kbps

Air data rate0.3k~19.2kbps

Controlled via user’s programming

Test distance3000 meter

Test condition：clear and open area, antenna gain: 5dBi，antenna height: 2.5m


Hardware ParameterValue
Remark
Size
16 * 26 mm

-    

Antenna typeIPX / Stamp hole

50 ohm impedance

Communication interfaceTTL

@3.3V

PackageSMD

-  

Buffer512 byte

-


Electronic parameterMin.Typ.Max.UnitCondition
Power supply
3.35.05.2V≥5.0 V ensures output power
Communication level-3.3-V

For 5V TTL, it may be at risk of burning down

Transmitting current

-

118-mAInstant power consumption
Receiving current-
14-mA
-
Sleep current-4-μASoftware is shut down
Operating temperature
-40-+85℃Industrial design
Operating humidity
1060
90%-
Storage temperature
-4020
+125℃-


封装_03

Pin No.
Pin ItemPin DirectionPin Application
1NC-

Empty Pin

2GND-

Ground

3NC-

 Empty Pin

4NC-

 Empty Pin

5NC

-

         Empty Pin
6NC

-

         Empty Pin
7NC-
         Empty Pin
8GND-
         Ground
11GND-
         Ground
12ANT-

Antenna

13GND-

Ground

14GND-

Ground

15GND-

Ground

16GND-

Ground

19GND-

Ground

20M0

Input

（weak pull-up）

Work with M1 to decide 4 working modes of module (not suspended, if not used, could be grounded).

21M1

Input

（weak pull-up）

Work with M0 to decide 4 working modes of module (not suspended, if not used, could be grounded).

22RXDInput

TTL UART inputs, connects to external (MCU, PC) TXD output pin.

23TXDOutput

TTL UART outputs, connects to external RXD (MCU, PC) input pin.

24AUXOutput

      Used to indicate the working status of the module;

The user wakes up the external MCU and outputs low level during power-on

self-check initialization; (can be left floating)



25VCC-

Power supply: 2.3~ 5.5V DC

26GND-

Ground

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ModelInterface IC Frequency
Hz
Power
dBm 		Distance
km 		Air
data
rate 		Package Size
(mm) 		Feature ManualSample
E32-900MBL-01 USB - - - - - - 53*27mm E32 series module test board
E32-400MBL-01 USB - - - - - - 53*27mm E32 series module test board
E32-400M20S SPI SX1278 433M 470M 20 5 - SMD 14 * 20 Long transmission distance,Strong penetration diffraction
E32-433T20S UART SX1278 433M 20 5.0 2.4k～19.2k SMD 16 * 26 LoRa Spread Spactrum Technology
E32-400M30S SPI SX1278 433M 470M 30 10 0.018K~37.5K SMD 24 * 38.5 Long transmission distance,Strong penetration diffraction
E32-900M20S SPI SX1276 868M 915M 20 5 0.018K~37.5K SMD 14*20 Long transmission distance,Strong penetration diffraction
E32-900T30D UART SX1276 868M 915M 30 8 0.3k~19.2k DIP 24*43 LoRa spread spectrum
E32-900T20S UART SX1276 868M 915M 20 5.5 0.3k~19.2k SMD 16*26 LoRa spread spectrum
E32-900M30S UART SX1276 868M 915M 30 10 0.018k~37.5k SMD 24*38.5 Long transmission distance,Strong penetration diffraction
E32-433T20DT UART SX1278 433M 20 3.0 0.3k~19.2k DIP 21*36 LoRa spread spectrum
E32-915T20S UART SX1276 915M 20 3 0.3k~19.2k SMD 16 * 26 LoRa spread spectrum
E32-868T20S UART SX1276 868M 20 3 0.3k~19.2k SMD 16 * 26 LoRa spread spectrum
E32-DTU(433L27) 232/485 SX1278 433M 27 5.0 0.3k~9.6k Screwing/DB9 82*62*25 LoRa spread spectrum
E32-DTU(433L37) 232/485 SX1278 433M 37 20 0.3k~9.6k Screwing/DB9 124*105*25 LoRa spread spectrum
E32-400T20S3 UART SX1278 433M 470M 20 3 0.3k~19.2k SMD 16 * 26 LoRa spread spectrum
E32-915T30S UART SX1276 915M 30 8.0 0.3k~19.2k DIP 25*40.3 LoRa spread spectrum Continuous transmiss
E32-868T30S UART SX1276 868M 30 8.0 0.3k~19.2k DIP 25*40.3 LoRa spread spectrum Continuous transmiss
E32-433T30S UART SX1278 433M 30 8.0 0.3k~19.2k SMD 25*40.5 LoRa spread spectrum
E32-433T20S1 UART SX1278 433M 20 3.0 0.3k~19.2k SMD 17*25.5 LoRa spread spectrum
E32-433T20S2T UART SX1278 433M 20 3.0 0.3k~19.2k SMD 17*30 LoRa spread spectrum
E32-DTU(170L30) 232/485 SX1278 170MHz 30 8.0 0.3k~9.6k Screwing/DB9 82*62*25 LoRa spread spectrum
E32-DTU(868L30) 232/485 SX1276 868M 30 8.0 0.3k~9.6k Screwing/DB9 82*62*25 LoRa spread spectrum
E32-DTU(868L20) 232/485 SX1276 868M 20 3.0 0.3k~9.6k Screwing/DB9 82*62*25 LoRa spread spectrum
E32-DTU(915L30) 232/485 SX1276 915M 30 8.0 0.3k~9.6k Screwing/DB9 82*62*25 LoRa spread spectrum
E32-DTU(915L20) 232/485 SX1276 915M 20 3.0 0.3k~9.6k Screwing/DB9 82*62*25 LoRa spread spectrum
E32-DTU(433L20) 232/485 SX1278 433M 20 3.0 0.3k~9.6k Screwing/DB9 82*62*25 LoRa spread spectrum
E32-DTU(433L30) 232/485 SX1278 433M 30 8.0 0.3k~9.6k Screwing/DB9 82*62*25 LoRa spread spectrum
E32-915T30D UART SX1276 915M 30 8.0 0.3k~19.2k DIP 24*43 LoRa spread spectrum
E32-868T30D UART SX1276 868M 30 8.0 0.3k~19.2k DIP 24*43 LoRa spread spectrum
E32-170T30D UART SX1278 170M 30 8.0 0.3k~19.2k DIP 24*43 LoRa Spread Spectrum
E32-433T30D UART SX1278 433M 30 8.0 0.3k~19.2k DIP 24*43 LoRa spread spectrum
E32-868T20D UART SX1276 868M 20 3.0 0.3k~19.2k DIP 21*36 LoRa spread spectrum
E32-915T20D UART SX1276 915M 20 3.0 0.3k~19.2k DIP 21*36 LoRa spread spectrum
E32-433T20DC UART SX1278 433M 20 3.0 0.3k~19.2k DIP 21*36 LoRa spread spectrum
E32-433T27D UART SX1278 433M 27 5.0 0.3k~19.2k DIP 24*43 LoRa spread spectrum
  • E32-900MBL-01

    Product model：E32-900MBL-01

    Interface : USB

    IC : -

    Frequency Hz : -

    Power dBm : -

    Distance km : -

    Air data rate : -

    Package : -

    Size (mm) : 53*27mm

    Feature : E32 series module test board

    PDF ：

    BUY：

  • E32-400MBL-01

    Product model：E32-400MBL-01

    Interface : USB

    IC : -

    Frequency Hz : -

    Power dBm : -

    Distance km : -

    Air data rate : -

    Package : -

    Size (mm) : 53*27mm

    Feature : E32 series module test board

    PDF ：

    BUY：

  • E32-400M20S

    Product model：E32-400M20S

    Interface : SPI

    IC : SX1278

    Frequency Hz : 433M 470M

    Power dBm : 20

    Distance km : 5

    Air data rate : -

    Package : SMD

    Size (mm) : 14 * 20

    Feature : Long transmission distance,Strong penetration diffraction

    PDF ：

    BUY：

  • E32-433T20S

    Product model：E32-433T20S

    Interface : UART

    IC : SX1278

    Frequency Hz : 433M

    Power dBm : 20

    Distance km : 5.0

    Air data rate : 2.4k～19.2k

    Package : SMD

    Size (mm) : 16 * 26

    Feature : LoRa Spread Spactrum Technology

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  • E32-400M30S

    Product model：E32-400M30S

    Interface : SPI

    IC : SX1278

    Frequency Hz : 433M 470M

    Power dBm : 30

    Distance km : 10

    Air data rate : 0.018K~37.5K

    Package : SMD

    Size (mm) : 24 * 38.5

    Feature : Long transmission distance,Strong penetration diffraction

    PDF ：

    BUY：

  • E32-900M20S

    Product model：E32-900M20S

    Interface : SPI

    IC : SX1276

    Frequency Hz : 868M 915M

    Power dBm : 20

    Distance km : 5

    Air data rate : 0.018K~37.5K

    Package : SMD

    Size (mm) : 14*20

    Feature : Long transmission distance,Strong penetration diffraction

    PDF ：

    BUY：

  • E32-900T30D

    Product model：E32-900T30D

    Interface : UART

    IC : SX1276

    Frequency Hz : 868M 915M

    Power dBm : 30

    Distance km : 8

    Air data rate : 0.3k~19.2k

    Package : DIP

    Size (mm) : 24*43

    Feature : LoRa spread spectrum

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  • E32-900T20S

    Product model：E32-900T20S

    Interface : UART

    IC : SX1276

    Frequency Hz : 868M 915M

    Power dBm : 20

    Distance km : 5.5

    Air data rate : 0.3k~19.2k

    Package : SMD

    Size (mm) : 16*26

    Feature : LoRa spread spectrum

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  • E32-900M30S

    Product model：E32-900M30S

    Interface : UART

    IC : SX1276

    Frequency Hz : 868M 915M

    Power dBm : 30

    Distance km : 10

    Air data rate : 0.018k~37.5k

    Package : SMD

    Size (mm) : 24*38.5

    Feature : Long transmission distance,Strong penetration diffraction

    PDF ：

    BUY：

  • E32-433T20DT

    Product model：E32-433T20DT

    Interface : UART

    IC : SX1278

    Frequency Hz : 433M

    Power dBm : 20

    Distance km : 3.0

    Air data rate : 0.3k~19.2k

    Package : DIP

    Size (mm) : 21*36

    Feature : LoRa spread spectrum

    PDF ：

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  • E32-915T20S

    Product model：E32-915T20S

    Interface : UART

    IC : SX1276

    Frequency Hz : 915M

    Power dBm : 20

    Distance km : 3

    Air data rate : 0.3k~19.2k

    Package : SMD

    Size (mm) : 16 * 26

    Feature : LoRa spread spectrum

    PDF ：

    BUY：

  • E32-868T20S

    Product model：E32-868T20S

    Interface : UART

    IC : SX1276

    Frequency Hz : 868M

    Power dBm : 20

    Distance km : 3

    Air data rate : 0.3k~19.2k

    Package : SMD

    Size (mm) : 16 * 26

    Feature : LoRa spread spectrum

    PDF ：

    BUY：

  • E32-DTU(433L27)

    Product model：E32-DTU(433L27)

    Interface : 232/485

    IC : SX1278

    Frequency Hz : 433M

    Power dBm : 27

    Distance km : 5.0

    Air data rate : 0.3k~9.6k

    Package : Screwing/DB9

    Size (mm) : 82*62*25

    Feature : LoRa spread spectrum

    PDF ：

    BUY：

  • E32-DTU(433L37)

    Product model：E32-DTU(433L37)

    Interface : 232/485

    IC : SX1278

    Frequency Hz : 433M

    Power dBm : 37

    Distance km : 20

    Air data rate : 0.3k~9.6k

    Package : Screwing/DB9

    Size (mm) : 124*105*25

    Feature : LoRa spread spectrum

    PDF ：

    BUY：

  • E32-400T20S3

    Product model：E32-400T20S3

    Interface : UART

    IC : SX1278

    Frequency Hz : 433M 470M

    Power dBm : 20

    Distance km : 3

    Air data rate : 0.3k~19.2k

    Package : SMD

    Size (mm) : 16 * 26

    Feature : LoRa spread spectrum

    PDF ：

    BUY：

  • E32-915T30S

    Product model：E32-915T30S

    Interface : UART

    IC : SX1276

    Frequency Hz : 915M

    Power dBm : 30

    Distance km : 8.0

    Air data rate : 0.3k~19.2k

    Package : DIP

    Size (mm) : 25*40.3

    Feature : LoRa spread spectrum Continuous transmiss

    PDF ：

    BUY：

  • E32-868T30S

    Product model：E32-868T30S

    Interface : UART

    IC : SX1276

    Frequency Hz : 868M

    Power dBm : 30

    Distance km : 8.0

    Air data rate : 0.3k~19.2k

    Package : DIP

    Size (mm) : 25*40.3

    Feature : LoRa spread spectrum Continuous transmiss

    PDF ：

    BUY：

  • E32-433T30S

    Product model：E32-433T30S

    Interface : UART

    IC : SX1278

    Frequency Hz : 433M

    Power dBm : 30

    Distance km : 8.0

    Air data rate : 0.3k~19.2k

    Package : SMD

    Size (mm) : 25*40.5

    Feature : LoRa spread spectrum

    PDF ：

    BUY：

  • E32-433T20S1

    Product model：E32-433T20S1

    Interface : UART

    IC : SX1278

    Frequency Hz : 433M

    Power dBm : 20

    Distance km : 3.0

    Air data rate : 0.3k~19.2k

    Package : SMD

    Size (mm) : 17*25.5

    Feature : LoRa spread spectrum

    PDF ：

    BUY：

  • E32-433T20S2T

    Product model：E32-433T20S2T

    Interface : UART

    IC : SX1278

    Frequency Hz : 433M

    Power dBm : 20

    Distance km : 3.0

    Air data rate : 0.3k~19.2k

    Package : SMD

    Size (mm) : 17*30

    Feature : LoRa spread spectrum

    PDF ：

    BUY：

  • E32-DTU(170L30)

    Product model：E32-DTU(170L30)

    Interface : 232/485

    IC : SX1278

    Frequency Hz : 170MHz

    Power dBm : 30

    Distance km : 8.0

    Air data rate : 0.3k~9.6k

    Package : Screwing/DB9

    Size (mm) : 82*62*25

    Feature : LoRa spread spectrum

    PDF ：

    BUY：

  • E32-DTU(868L30)

    Product model：E32-DTU(868L30)

    Interface : 232/485

    IC : SX1276

    Frequency Hz : 868M

    Power dBm : 30

    Distance km : 8.0

    Air data rate : 0.3k~9.6k

    Package : Screwing/DB9

    Size (mm) : 82*62*25

    Feature : LoRa spread spectrum

    PDF ：

    BUY：

  • E32-DTU(868L20)

    Product model：E32-DTU(868L20)

    Interface : 232/485

    IC : SX1276

    Frequency Hz : 868M

    Power dBm : 20

    Distance km : 3.0

    Air data rate : 0.3k~9.6k

    Package : Screwing/DB9

    Size (mm) : 82*62*25

    Feature : LoRa spread spectrum

    PDF ：

    BUY：

  • E32-DTU(915L30)

    Product model：E32-DTU(915L30)

    Interface : 232/485

    IC : SX1276

    Frequency Hz : 915M

    Power dBm : 30

    Distance km : 8.0

    Air data rate : 0.3k~9.6k

    Package : Screwing/DB9

    Size (mm) : 82*62*25

    Feature : LoRa spread spectrum

    PDF ：

    BUY：

  • E32-DTU(915L20)

    Product model：E32-DTU(915L20)

    Interface : 232/485

    IC : SX1276

    Frequency Hz : 915M

    Power dBm : 20

    Distance km : 3.0

    Air data rate : 0.3k~9.6k

    Package : Screwing/DB9

    Size (mm) : 82*62*25

    Feature : LoRa spread spectrum

    PDF ：

    BUY：

  • E32-DTU(433L20)

    Product model：E32-DTU(433L20)

    Interface : 232/485

    IC : SX1278

    Frequency Hz : 433M

    Power dBm : 20

    Distance km : 3.0

    Air data rate : 0.3k~9.6k

    Package : Screwing/DB9

    Size (mm) : 82*62*25

    Feature : LoRa spread spectrum

    PDF ：

    BUY：

  • E32-DTU(433L30)

    Product model：E32-DTU(433L30)

    Interface : 232/485

    IC : SX1278

    Frequency Hz : 433M

    Power dBm : 30

    Distance km : 8.0

    Air data rate : 0.3k~9.6k

    Package : Screwing/DB9

    Size (mm) : 82*62*25

    Feature : LoRa spread spectrum

    PDF ：

    BUY：

  • E32-915T30D

    Product model：E32-915T30D

    Interface : UART

    IC : SX1276

    Frequency Hz : 915M

    Power dBm : 30

    Distance km : 8.0

    Air data rate : 0.3k~19.2k

    Package : DIP

    Size (mm) : 24*43

    Feature : LoRa spread spectrum

    PDF ：

    BUY：

  • E32-868T30D

    Product model：E32-868T30D

    Interface : UART

    IC : SX1276

    Frequency Hz : 868M

    Power dBm : 30

    Distance km : 8.0

    Air data rate : 0.3k~19.2k

    Package : DIP

    Size (mm) : 24*43

    Feature : LoRa spread spectrum

    PDF ：

    BUY：

  • E32-170T30D

    Product model：E32-170T30D

    Interface : UART

    IC : SX1278

    Frequency Hz : 170M

    Power dBm : 30

    Distance km : 8.0

    Air data rate : 0.3k~19.2k

    Package : DIP

    Size (mm) : 24*43

    Feature : LoRa Spread Spectrum

    PDF ：

    BUY：

  • E32-433T30D

    Product model：E32-433T30D

    Interface : UART

    IC : SX1278

    Frequency Hz : 433M

    Power dBm : 30

    Distance km : 8.0

    Air data rate : 0.3k~19.2k

    Package : DIP

    Size (mm) : 24*43

    Feature : LoRa spread spectrum

    PDF ：

    BUY：

  • E32-868T20D

    Product model：E32-868T20D

    Interface : UART

    IC : SX1276

    Frequency Hz : 868M

    Power dBm : 20

    Distance km : 3.0

    Air data rate : 0.3k~19.2k

    Package : DIP

    Size (mm) : 21*36

    Feature : LoRa spread spectrum

    PDF ：

    BUY：

  • E32-915T20D

    Product model：E32-915T20D

    Interface : UART

    IC : SX1276

    Frequency Hz : 915M

    Power dBm : 20

    Distance km : 3.0

    Air data rate : 0.3k~19.2k

    Package : DIP

    Size (mm) : 21*36

    Feature : LoRa spread spectrum

    PDF ：

    BUY：

  • E32-433T20DC

    Product model：E32-433T20DC

    Interface : UART

    IC : SX1278

    Frequency Hz : 433M

    Power dBm : 20

    Distance km : 3.0

    Air data rate : 0.3k~19.2k

    Package : DIP

    Size (mm) : 21*36

    Feature : LoRa spread spectrum

    PDF ：

    BUY：

  • E32-433T27D

    Product model：E32-433T27D

    Interface : UART

    IC : SX1278

    Frequency Hz : 433M

    Power dBm : 27

    Distance km : 5.0

    Air data rate : 0.3k~19.2k

    Package : DIP

    Size (mm) : 24*43

    Feature : LoRa spread spectrum

    PDF ：

    BUY：