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SK109 : 1.5W 4 Channel Wireless Relay Module With Pairing Function And ESD Protection
SK109 : 1.5W 4 Channel Wireless Relay Module With Pairing Function And ESD Protection
SK109 : 1.5W 4 Channel Wireless Relay Module With Pairing Function And ESD Protection
SK109 : 1.5W 4 Channel Wireless Relay Module With Pairing Function And ESD Protection
SK109 : 1.5W 4 Channel Wireless Relay Module With Pairing Function And ESD Protection
SK109 : 1.5W 4 Channel Wireless Relay Module With Pairing Function And ESD Protection
SK109 : 1.5W 4 Channel Wireless Relay Module With Pairing Function And ESD Protection
SK109 : 1.5W 4 Channel Wireless Relay Module With Pairing Function And ESD Protection
SK109 : 1.5W 4 Channel Wireless Relay Module With Pairing Function And ESD Protection
SK109 : 1.5W 4 Channel Wireless Relay Module With Pairing Function And ESD Protection
SK109 : 1.5W 4 Channel Wireless Relay Module With Pairing Function And ESD Protection
SK109 : 1.5W 4 Channel Wireless Relay Module With Pairing Function And ESD Protection

SK109 : 1.5W 4 Channel Wireless Relay Module With Pairing Function And ESD Protection

  • SK109 is an industrial 4 channel wireless relay module with pairing function, it provides maximum four channel signal input and maximum four channel control output. It features in simple interface and reliable performance. The parameters can be modified by PC software / UART command / remote controller (SK109-S). DIP switch on the module can used to change operating frequency (maximum 16 group), operation mode etc. Using this module, user can replace wired device with the wireless connection, which significantly reduce the cost and save much time.
  • SK109 strictly uses lead-free process for production and testing, and meets RoHS and Reach standards.

Note: below parameters were tested under voltage 12V and temperature 25℃.

Parameter Min Typ. Max Unit Condition
Condition
Working voltage 9 12 30 V  
Working temperature -40 25 +85  
Current Consumption
Rx current   <20   mA  
Tx current   <300   mA  
Standby current   <5   mA @12V timing mode Master don’t send message
RF Parameters
Output power   31.5   dBm  
Sensitivity   -121   dBm @1200
Interface I/O
Channel 4 channel
Communication Two-way
Open distance (km) 3~4

Features of Wireless Relay Module SK109

  • 4Km in open area
  • 16 channels to choose
  • Parameters set wirelessly by PC
  • Real time / Timing mode
  • GFSK modulation
  • Antenna matches automatically
  • Bi-directional switch control
  • Sensitivity up to -121 dBm
  • Output power:1.5 W
  • Working voltage: 9~30 V
  • Working temperature:-40 ~ +85 °C
  • Weight:150g

Application of Wireless Relay Module SK109

  • Remote switch control
  • Security system
  • Home automation remote sensing
  • Wireless remote telemetry
  • Building automation and security
  • Access Control System

Typical application of Wireless Relay Module SK109

Pins of Wireless Relay Module SK109

Pin NO. Pin Description
1 GND Connect negative power
2 VCC Connect positive power
3 IN1 Ch1 switch input, internal pull up
4 GND
5 IN2 Ch2 switch input, internal pull up
6 GND
7 IN3 Ch3 switch input, internal pull up
8 GND
9 IN4 Ch4 switch input, internal pull up
10 GND
11 NC Reserved, Non-Connected
12 NC Reserved , Non-Connected
13 OUT1 Ch1 relay output
14
15 OUT2 Ch2 relay output
16
17 OUT3 Ch3 relay output
18
19 OUT4 Ch4 relay output
20

Mechanical Dimensions of Wireless Relay Module SK109

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