E32-915T20D ( SX1276, 3.0km, UART, 900~931MHz, 10~20dBm, 0.3k~19.2kbps, SMA-K ) Wireless Module


New product

20,100 Ks

More info

Detail about E32-915T20D Wireless Module

E32-915T20D is a 100mW wireless transceiver module, operates at 900~931MHz, based on original imported RFIC SX1276 fromSEMTECH. The module adopts LoRa spread-spectrum technology, which means the transmitting distance is much longer than before.


  • IC : SX1276
  • Frequency : 900~931MHz
  • Power : 10~20dBm
  • Distance : 3.0km
  • Interface : UART

RF Parameter Value
Working frequency
900~931 MHz

Default: 915MHz

Transmitting power 10~20 dBm

Default: 20dBm(About 100mW

Receiving sensitivity -146 dBm

Air data rate: 0.3kbps

Air data rate 0.3k~19.2kbps

Default: 2.4kbps

Test distance 3000 meter

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

air data rate: 2.4kbps

Hardware Parameter Value
21 * 36 mm

Without SMA

Antenna type SMA-K


Communication interface UART

Baud rate: 1200~115200, default: 9600

Package DIP


Buffer 512 bytes buffer

Automatically sub-packaging with 58 bytes per package

Electronic parameter Min. Typ. Max. Unit Condition
Power supply
2.3 3.3 5.2 V
Communication level 2.5 3.3 3.6 V
Transmitting current


120 130 mA 20dBm(W)
Receiving current 13
14 15 mA
Sleep current 3 4 5 μA
Operating temperature -40 20
Operating humidity 10 60
90 %
Storage temperature -40 20

E32 (433T20DC)

Pin No.
Pin Item Pin Direction Pin Application
1 M0
(weak pull-up)
    Work with M1 & decide the four operating modes. Floating is not allowed, can be ground.
2 M1 Input
(weak pull-up)
    Work with M0 & decide the four operating modes. Floating is not allowed, can be ground.
3 RXD Input     TTL UART inputs, connects to external TXD (MCU, PC) output pin.
    Can be configured as open-drain or pull-up input
4 TXD Output

    TTL UART outputs, connects to external RXD (MCU, PC) input pin.
    Can be configured as open-drain or push-pull output

5 AUX Output

    To wake up the external MCU, during the procedure of self-check initialization, the pin

    outputs low level. Can be configured as open-drain output or push-pull output (floating

    is allowed).

6 VCC Input     Power supply 2.3V-5.2V DC
7 GND Input     Ground
8 Fixing hole     Fixing hole
9 Fixing hole     Fixing hole
10 Fixing hole     Fixing hole



智能家庭-EN (2)
智能油田-EN (12)
环境监测-EN (10)

23 other products in the same category: