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[China]
Trade Verify
Address: 701, Yongchang Building, Xicheng Industrial Zone, Xixiang, Bao'an District, Shenzhen, China 518126
Contact name:Sunny
Shenzhen Qianhai Lensen Technology Co., Ltd |
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Verified Suppliers
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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 |
