433MHZ안테나

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작성자육군참모총장 조회 6회 작성일 2021-04-07 08:01:07 댓글 0

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How to make RF433MHz Antenna (Elab Industrial)

how to make a rf433mhz antenna

Description
wire: 19g /24 inch /28 turns x 2
Receiver: length 3 inch
Transmitter: length 1.8 inch
diameter: 5mm

#RF433MHz_Transmeter_Receiver_Antenna

How to make wireless Water Level Indicator with automatically pump on/off


Facebook Page:
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Half wave whip antenna for 433MHz. RCHacker #36

This design (hack) is flawed as Rob has kindly pointed out below. I came to the same conclusion when tuning this antenna. Turns out that the optimum length for the best RSSI is well below a quarter wavelength, but as the design is bad I will build something else for the TX.

Marc builds a half wave whip antenna to improve on the poor ones that came with his openlrs (long range 433MHz) system.

433MHz RF Module range improvement: antenna

DIY antenna to improve the range of your generic UCEC XY-MK-5V / XY-FST 433Mhz RF Transmitter and Receiver Module

Antenna instructions:
https://www.instructables.com/id/433-MHz-Coil-loaded-antenna/

https://www.amazon.com/gp/product/B017AYH5G0/ref=as_li_qf_asin_il_tl?ie=UTF8\u0026tag=gre09a-20\u0026creative=9325\u0026linkCode=as2\u0026creativeASIN=B017AYH5G0\u0026linkId=c79ba702b545665efd78d59e7f35892a

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#433MHZ안테나

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