E32-T Serisi , LoRa RF Modül E32-433T27D
E32-433T27D
[IC] : SX1278
[Frequency] : 410~441MHz
[Power] : 18~27dBm
[Distance] : 5.0km
[Interface] : UART
[Introduction] : E32-433T27D is a 500mW wireless transceiver module. adopts LoRa spread spectrum technology, with this technology the module can transmit much longer distance than similar products under the same power with better anti-interference performance.
Model | Interface | IC | Frequency Hz | Power dBm | Distance km | Air data rate | Package | Size (mm) | Feature | Manual |
E32-400T20S3 | UART | SX1278 | 433M 470M | 20 | 3,0 | 0.3k~19.2k | SMD | 16 * 26 | LoRa spread spectrum | ✔ |
E32-433T20DC | UART | SX1278 | 433M | 20 | 3.0 | 0.3k~19.2k | DIP | 21*36 | LoRa spread spectrum | ✔ |
E32-433T20DT | UART | SX1278 | 433M | 20 | 3.0 | 0.3k~19.2k | DIP | 21*36 | LoRa spread spectrum | ✔ |
E32-433T20S | UART | SX1278 | 433M | 20 | 5,0 | 2.4k~19.2k | SMD | 16 * 26 | LoRa Spread Spactrum Technology | ✔ |
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 | ✔ |
E32-433T27D | UART | SX1278 | 433M | 27 | 5.0 | 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 | ✔ |
E32-433T30S | UART | SX1278 | 433M | 30 | 8.0 | 0.3k~19.2k | SMD | 25*40.5 | LoRa spread spectrum | ✔ |
E32-868T20D | UART | SX1276 | 868M | 20 | 3.0 | 0.3k~19.2k | DIP | 21*36 | LoRa spread spectrum | ✔ |
E32-868T20S | UART | SX1276 | 868M | 20 | 3,0 | 0.3k~19.2k | SMD | 16 * 26 | LoRa spread spectrum | ✔ |
E32-868T30D | UART | SX1276 | 868M | 30 | 8.0 | 0.3k~19.2k | DIP | 24*43 | LoRa spread spectrum | ✔ |
E32-868T30S | UART | SX1276 | 868M | 30 | 8.0 | 0.3k~19.2k | DIP | 25*40.3 | LoRa spread spectrum Continuous transmiss | ✔ |
E32-900T20S | UART | SX1276 | 868M 915M | 20 | 5,5 | 0.3k~19.2k | SMD | 16*26 | LoRa spread spectrum | ✔ |
E32-900T30D | UART | SX1276 | 868M 915M | 30 | 8,0 | 0.3k~19.2k | DIP | 24*43 | LoRa spread spectrum | ✔ |
RF Parameter | Value |
Remark |
Working frequency |
410~441 MHz |
Default: 433MHz |
Transmitting power | 18~27 dBm |
Default: 27dBm(About 500mW) |
Receiving sensitivity | -147 dBm |
Air data rate: 0.3kbps |
Air data rate | 0.3k~19.2kbps |
Default: 2.4kbps |
Test distance | 5000 meter |
In open and clear air, with maximum power, 5dBi antenna gain, height of 2m, air data rate: 2.4kbps |
Hardware Parameter | Value |
Remark |
Size |
24 * 43 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 |
3.3 | 5.0 | 5.2 | V | |
Communication level | 2.5 | 3.3 | 3.6 | V | |
Transmitting current |
390 |
410 | 450 | mA | 27dBm(500mW) |
Receiving current | 19 |
20 | 22 | mA |
|
Sleep current | 4 | 5 | 6 | μA | |
Operating temperature |
-40 | 20 |
+85 | ℃ | |
Operating humidity |
10 | 60 |
90 | % | |
Storage temperature |
-40 | 20 |
+125 | ℃ |

Pin No |
Pin Item | Pin Direction | Pin Application |
1 | M0 |
Input (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 indicate module's working status & wakes 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 3.3V~5.2V DC |
7 | GND | Input | Ground |
8 | Fixing hole | Fixing hole |
|
9 | Fixing hole |
Fixing hole |
|
10 | Fixing hole |
Fixing hole |
|
11 | Fixing hole |
Fixing hole |