E32-T Serisi , LoRa RF Modül E32-900T30S
E32-868T30S
[IC] : SX1276
[Frequency] : 862~893MHz
[Power] : 30dBm
[Distance] : 8.0km
[Interface] : UART
[Weight] : 5.0±0.1g
[Introduction] : E32-868T30S is a wirel ess transceiver module based on SX1276 from SEMTECH(can be transmitter and receiver both). It adopts LoRa spread spectrum technology, with this technology the transmitting distance and penetration ability of the module improved more than 1 times compared with
| 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 |
862~893 MHz |
Default: 868MHz |
| Transmitting power | 21~30 dBm |
Default: 30dBm（About 1W） |
| Receiving sensitivity | -147 dBm |
Air data rate: 0.3kbps |
| Air data rate | 0.3k~19.2kbps |
Default: 2.4kbps |
| Test distance | 8000 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 |
25 * 40.3 mm |
|
| Antenna type | IPX/Stamp hole |
|
| Communication interface | UART |
Baud rate: 1200~115200, default: 9600 |
| Package | SMD |
|
| 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 |
560 |
600 | 660 | mA | 30dBm（1W） |
| Receiving current | 20 |
21 | 23 | 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 | GND |
Input |
Ground |
| 2 | VCC |
Input |
Power supply ：3.3~ 5.5V DC |
| 3 | 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 push-pull output (can be suspended). |
| 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 | RXD | Input |
TTL UART inputs, connects to external (MCU, PC) TXD output pin. Can be configured as open-drain or pull-up input. Ground |
| 6 | M1 |
Input （weak pull-up） |
Work with M0 to decide 4 working modes of module (not suspended, if not used, could be grounded). |
| 7 | M0 |
Input （weak pull-up） |
Work with M1 to decide 4 working modes of module (not suspended, if not used, could be grounded). |
| 11 | ANT | output | High frequency signal output, 50 ohm characteristic impedance |
| 12 | GND | Ground | |
| 13 | GND | Ground | |
| 14 | GND | Ground | |
| 18 | PB0 | Input /Output |
NC PIN, This pin needs to be dangling and the user does not need to connect(for later extension use) |
| 19 | PB1 |
Input /Output |
NC PIN, This pin needs to be dangling and the user does not need to connect(for later extension use) |
| 20 | PB3 | Input /Output |
NC PIN, This pin needs to be dangling and the user does not need to connect(for later extension use) |
| 21 | +3.3V | Input |
Power pins for program loading (suspended, no need for user to connect) |
| 22 | SWIM | Input |
SWIM pin for program load (dangling, user does not need to connect) |
| 23 | GND | Input |
Ground pins for program loading (dangling, no user connection required) |
| 24 | RESET | Input | Reset pins for program loading (dangling, no need for user to connect) |
