SK200Pro : 100mW 1 Channel LoRa Wireless Switch Module With Mesh Capability
Interface: IO,Uart
Channel: 1 channel
Communication: One-way
Open distance(km): 4~5
Size:49.5*32.2(TX) 82*45(RX)
HOME > PRODUCTS > WIRELESS IO & 4-20MA MODULES > SK108U : 4 CHANNEL RC TRANSMITTER AND RECEIVER MOD...
SK108U : 4 Channel RC Transmitter And Receiver Module With ESD Protection
- SK108U includes SK108U-TX and SK108U-RX. SK108U-TX is an industrial serial control transmitter, it works with SK108U-RX to build wireless switch control system. SK108U-TX is serial interface which can connect with PC and other serial devices. One SK108U-RX has 4 channels relay output. One SK108U-TX can control multiple SK108U-RX. The frequency of the SK108U-TX and SK108U-Rx can be set to avoid frequency interference.
- In hardware SK108U-Tx is the same as our SV series module, which has different output power and different interface for option.
- SK108U-Rx is same as SK108 in hardware but different firmware.
- 4 Channel rc transmitter and receiver module SK108U strictly uses lead-free process for production and testing, and meets RoHS and Reach standards.
SK108U-RX Parameters
Note: Below parameters base on 12V power supply/ 25℃ testing environment.
| Parameters | Min. | Typ. | Max. | Unit | Condition |
| Working Condition | |||||
| Voltage range | 9 | 12 | 30 | V | |
| Operating Temperature | -40 | 25 | +85 | ℃ | |
| Current Consumption | |||||
| Rx current | <20 | mA | |||
| RF Parameters | |||||
| Sensitivity | -121 | dBm | @1200 | ||
SK108U-TX Parameters
Note: SK108U-Tx is the same as our SV series module in hardware. It has different output power and different interface for option.
| Product Name | Power | Interface |
| SK108U-TX-610 | 100mW | TTL |
| SK108U-TX-611 | 100mW | TTL/RS232/RS485 |
| SK108U-TX-612 | 100mW | TTL/RS232/RS485 |
| SK108U-TX-613 | 100mW | USB |
| SK108U-TX-614 | 100mW | RS232 |
| SK108U-TX-650 | 500mW | TTL /RS485 |
| SK108U-TX-651 | 500mW | TTL/RS232/RS485 |
| SK108U-TX-652 | 500mW | TTL/RS232/RS485 |
| SK108U-TX-653 | 500mW | USB |
| SK108U-TX-654 | 500mW | RS232 |
| SK108U-TX-6202 | 2W | TTL/RS232/RS485 |
| SK108U-TX-6300 | 3W | TTL/RS232/RS485 |
| SK108U-TX-6500 | 5W | TTL/RS232/RS485 |
| Interface | I/O,Uart |
| Channel | 4 channel |
| Communication | One-way |
| Open distance (km) | 3~4 |
Features of 4 Channel RC Transmitter And Receiver SK108U
- The power of SK108U-Tx is optional（100mw,500mW,2W,3W,5W）
- 40 predefined channels for SK108U-TX
- 16 predefined channels for SK108U-RX
- Parameters configurable by PC software or serial device
- GFSK Modulation
- Antenna automatic matching
- Bi-directional wireless switch control
- Sensitivity up to -121 dBm
- Working temperature range：-40 ~ +85 °C
Application of 4 Channel RC Transmitter And Receiver SK108U
- Remote control switch control
- Security system
- Home automation remote sensing
- Wireless remote telemetry
- Building automation and security
- Access control system
| Pin NO. | Pin | Description |
| 1 | GND | Connect power negative |
| 2 | VCC | Connect power anode |
| 3~12 | NC | Open |
| 13 | OUT1 | Ch1 relay control output, |
| 14 | ||
| 15 | OUT2 | Ch2 relay control output, |
| 16 | ||
| 17 | OUT3 | Ch3 relay control output, |
| 18 | ||
| 19 | OUT4 | Ch4 relay control output, |
| 20 |
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