Module Information
Model: RC-TASK2-868
Description:
ASK/OOK transmitter module with Crystal oscillator.
Vdc: 2.2 ÷ 3.6Volt
Current: 21/15mA
Frequency: 868.30MHz
Power : 10dBm
Dimension: 20.32 x 11.43mm
Model: RC-TFSK3-434
Description:
433.92MHz FSK Radio Transmitter Module - Standard Pinout .
Vdc: 2.4 ÷ 3.6Volt
Current: 14.5m
Frequency: 433.92MHz
Powe : 10dBm
Dimension: 20.32 x 11.43mm
Model: RC-TFSK4-434
Description :
433.92MHz FSK Transmitter Module - Standard Pinout.
Vdc: 2.4 ÷ 3.6Volt
Current: 14.5mA
Frequency: 433.92MHz
Power : 10dBm
Dimension: 30.5 x 10.3mm
Reference Schematics
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RC-DTU-LORA868
868MHz LoRa Data Transfer Unit
Datasheet
English
RC-DTU-LORA868 is a wireless transmission unit based on LoRa, which mainly uses LoRa modulation technology for data transmission. This DTU can run in two modes:
- General transparent transmission mode, receiving or sending through AT command.
- Master-slave transparent transmission mode, which can be set as Master or Slave, can interact according to Modbus protocol.
Frequency Band = 868MHz
Features :
- Point-to-point communication protocol
- Support fixed-point sending mode
- Support master-slave mode
- Support data encryption transmission
- AT command configuration, supporting setting tools
- 4000 meters transmission distance
- 148dBm receiving sensitivity (10.4 kHz, SF 12)
- RS232/RS485 interface
- 12 - 36 VDC power supply
- ESD protection (level4)
- Power surge protection (level 3)
- RS232/RS485 surge protection (Grade 3)
- Hardware watchdog
| Specifications | Parameters value |
| Working Frequency band | 868MHz / 915MHz |
| Transmit Power | From 15dBm to 22dBm |
| Receiving Sensitivity | -148dBm (10.4KHz, SF 12) |
| Transmission distance | 4000meters (test condition : clear and open field, 22dBm transmission power, 5dBi antenna gain, 2mt height, BW=3, SF=12 |
| Antenna Selection | The impedence of SMA antenna pedestal (outer screw inner hole)is 50ohm |
| Data Interface | RS232/RS485 Baud Rate : 1200bps ÷ 115200bps. Default= 9600bps |
| Maximum transmission lenght | 240 bytes |
| Operating Voltage | 12Vdc ÷ 36Vdc |
| Consumption | 40mA @ 12Vdc Transmission 3mA @ 12Vdc Standby |
| Working Temoperature | -40°C ÷ 80°C |
| Storage Temperature | -45°C ÷ 125°C |
| Working humidity | 5-95%RH (non condensation) |
| Storage humidity | 1-95%RH (non condensation) |
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