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WiWi Module Unit 2 Operation Manual (v1.3) 

Product Name: WiWi module      Trade name:NICT 

Model name: WIWI2GOUKI 

Frequency Range: 922.5MHz-927.5MHz 

Product description 

This  product  provides  synchronized  signals  when  used  in  pair.    Modules  are 

synchronized through 920MHz radio signal and outputs 10MHz and 1pps (pulse 

per second) signal. 

 

Figure 1 overview of purpose description

 

Module 1

Module 2

10MHz

1pps

920MHz wireless

Summary of Contents for WIWI2GOUKI

Page 1: ... Frequency Range 922 5MHz 927 5MHz Product description This product provides synchronized signals when used in pair Modules are synchronized through 920MHz radio signal and outputs 10MHz and 1pps pulse per second signal Figure 1 overview of purpose description Module 1 Module 2 10MHz 1pps 920MHz wireless ...

Page 2: ...n method Connect the antenna and AC adapter 5V to the WiWi module no USB cable connection required Monitor 10Mhz output and 1pps output with an oscilloscope Antenna AC adaptor USB Cable 1pps Out put 10Mhz Output ...

Page 3: ...pared between the master and the slave the rising position is observed to be off by more than 1 microsecond 2 How to phase lock the slave module clock to the master module clock 2 1 Press the Lock button on the Slave module or 2 2 Press the remote Lock button on the Master module 2 2 1 Then 10MHz will phase lock within a few seconds and the slave signal is observed to stop flowing 2 2 2 After the ...

Page 4: ...3 How to reset 3 1 Slave module reset 3 1 1 Press the Reset button on the Slave module or 3 1 2 Press Remote reset on the Master module 3 2 Reset Master module 3 2 1 Press Reset on the Master module ...

Page 5: ...t installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interfer...

Page 6: ...CAUTION Any changes or modifications not expressly approved by the grantee of this device could void the user s authority to operate the equipment ...

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