5W 433MHz Lora Gateway ModuleDTU Wireless Uhf Module 433M Rf Transmitter / Receiver SX1278
Feature
Transmission distance in open area up to 15Km @ 96Kbps
433/470MHz
40 channels
LoRa modulation
Interface: TTL/RS232/RS485
Sensitivity: -139 dBm
Max output power: 5W (+37dBm)
Working voltage: 9 ~ 30 V
Working temperature: -40 ~ +85 °C
Application
Remote control telemetry
Remote meter reading
Security system
Industrial data acquisition
Home automation
Wireless data communication
Access system
Robot contro
Electrical Parameter:
No. | Item | Parameter details | Description |
1 | Size | 82 * 62 *25mm | Without antenna |
2 | Weight | 133g | Without antenna |
3 | Frequency band | Default: 433MHz | 410~441MHz |
4 | Housing | Aluminum alloy | Black |
5 | Connector | RS485:1*4*3.81mm | Screwing |
6 | Supply voltage | 8 ~ 28V DC | Note: the voltage higher than 28V is forbidden |
7 | Communication level | RS232/RS485 | Available for RS232 and RS485 |
8 | Operation range | 3000m | Test condition: clear and open area & 20dBm, antenna gain: 5dBi, height:> 2m, |
9 | Transmitting power | Maximum 30dBm | About 1W, can be configured to 20, 17, 14, 10dBm |
10 | Receiving sensitivity | -130dBm/2.4kbps | Sensitivity has nothing to do with baud rate and timing |
11 | Air data rate | 2.4kbps | Can be configured to 0.3, 1.2, 2.4, 4.8, 9.6, 19.2kbps |
12 | Standby current | 14mA | Mode 3(power supply: 12V) |
13 | Transmitting current | 126mA/20dBm | >300mA (recommended) |
14 | Receiving current | 28mA | 12V |
15 | Communication interface | RS232/RS485 | 8N1, 8E1, 8O1 |
16 | Driving mode | RS232/RS485 | Can be configured to push-pull/high pull, open-drain |
17 | Transmitting length | 512 bytes buffer | 58 bytes per package |
18 | Receiving length | 512 bytes buffer | 58 bytes per package |
19 | Address | 65536 configurable addresses | Easy for network, broadcast and fixed transmission |
20 | RSSI support | Built-in intelligent processing | - |
21 | Antenna type | SMA-K | External thread hole |
22 | Operating temperature | -40 ~ +85℃ | Industrial grade |
23 | Operating humidity | 10% ~ 90% | Relative humidity, no condensation |
24 | Storage temperature | -40 ~ +125℃ | Industrial grade |
DTU factory setting
DTU type number | working frequency | ID address | Factory channel | Air rate | Serial port rate | Serial port format | Transmitting power |
LS-LR-DTU30 | 433.00 | 0x1234 | 23channel | 2.4 | 9600 | 8N1 | 1000 |
Working modes
The module has two operating modes, which can be observed by RESET indicator, details are shown in the following table:
modes(0-1) | RESET indicator light | Mode introduction | Remarks |
0 transparent transmitting mode | off | Serial port open, wireless open, transparent transmission | The receiver must be in mode 0 |
| on | DTU parameters can be configured | For more details please see the working parameters |