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Can i extend range in radio device ?
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Topic: Can i extend range in radio device ? (Read 540 times)
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rozer
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Can i extend range in radio device ?
«
on:
November 28, 2019, 11:21:49 pm »
Hello everyone
I have RFremotech RF-32C - it is 32 channel wireless detonator.
In set with device i received basic remote with almost 100m range :
https://ibb.co/HVckvJq
In 2010 as option was available 200m range remote (with telescope antenna, on below image you can see new version with FSK modulation, old is unavaiable) :
https://ibb.co/wpC3pW2
Operating frequency : 433.92 mhz
Modulation : Probably ASK (OOK) (new versions runs on FSK).
Inside device :
https://ibb.co/z8kQH1h
Reciever board :
https://ibb.co/KFY1zXk
Recieve board is probably this (CWC-10) -
https://www.alibaba.com/product-detail/CWC10-315MHz-or-433-92MHz-4_1103295522.html
Antenna slot at panel :
https://ibb.co/26zpg70
Is there any simple and not expensive way to extend range ?
I haven't knowledge about radiotechnics.
I have idea to install external antenna sma in remote (there is solder pin ANT and 2nd wire to battery GND) :
http://www.programatory.com/produkty/anteny/Antena-WIFI-433MHz-3dbi-SMA-86mm.jpg
Will it improve the range or only distort signal and give the opposite effect ?
Other idea is to improve reciever plate (to buy stronger one).
I hope you will help me solve this problem.
Greets
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