Unikeyic
Unikeyic Electronic Components

Published: February 28, 2026
Video Description
Discover easy, affordable, and reliable PCB manufacturing with JLCPCB.
Register to get $70 new-customer coupons: https://jlcpcb.com/?from=inventorKR
I built a high-power 107MHz FM transmitter from scratch and tested its real transmission range.
Can this DIY 2-meter band RF circuit really reach 5KM? Full schematic, tuning and field test inside.
#inventor_KR #AltiumStories #jlcpcb#engineering #Tech #Maker #HowTo #ElectronicsDIY
All electronic components used 👇👇
Frequency Counter
https://s.click.aliexpress.com/e/_c3U8o6rt
Portable Walkie Talkie
https://s.click.aliexpress.com/e/_c3uBDZIT
Transistor 2n2222
https://s.click.aliexpress.com/e/_c2JZQier
Transistor 2n2222
https://s.click.aliexpress.com/e/_c3t2YEXv
Adjustable Trimmer Capacitor
https://s.click.aliexpress.com/e/_c3261HGn
Polypropylene Plastic Film capacitor
https://s.click.aliexpress.com/e/_c3tqEgmP
Aluminum Electrolytic Capacitor
https://s.click.aliexpress.com/e/_c3G9SecT
Carbon Film Resistors
https://s.click.aliexpress.com/e/_oCr0nk5
PCB Single Side Copper
https://s.click.aliexpress.com/e/_olyayF7
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Get 5% OFF your first order at Unikeyic: https://www.unikeyic.com/?utm_source=inventorKR (up to $500). Unikeyic is a leading Asia-based distributor of electronic components with 200,000+ items in stock and 10M+ parts available — all 100% genuine and high quality.
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You can buy me coffee here : https://ko-fi.com/inventorkr
Circuits diagrams and code here : https://ko-fi.com/inventorkr/shop
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Channel Blog: https://inventorkr.blogspot.com/
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For business enquiries here : electronicsk66@gmail.com
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Measuring tools
👇👇
KAIWEETS HT208D INRUSH Clamp Meter
https://s.click.aliexpress.com/e/_oEBnHmb
KAIWEETS HT118E Digital AC/DC Multimeter
https://s.click.aliexpress.com/e/_omFNSEr
OWON HDS120 Digital Oscilloscope Multimeter
https://s.click.aliexpress.com/e/_opLXp9h
DC Adjustable Buck Power Supply
https://s.click.aliexpress.com/e/_oFqckTZ
DC 0-420V Smart Lithium Battery Capacity Detection Tester
https://s.click.aliexpress.com/e/_onJKYnp
Switching Power Supply Source Transformer
https://s.click.aliexpress.com/e/_olkznx5
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soldering tools
👇👇
Hot Air Soldering Station
https://s.click.aliexpress.com/e/_ok17vOj
Soldering Station Compatible
https://s.click.aliexpress.com/e/_okuPeSJ
TS80P Mini Smart Portable Digital Soldering Iron
https://s.click.aliexpress.com/e/_opyZ8H5
TS80P TS1C Soldering Iron Tips
https://s.click.aliexpress.com/e/_omikRw7
Mini Hot Plate Preheater
https://s.click.aliexpress.com/e/_opjocUx
SMD Solder Paste
https://s.click.aliexpress.com/e/_oF3kPtD
Lead Free Solder Wire Tin
https://s.click.aliexpress.com/e/_omMAd9Z
Solder Paste Rosin Flux
https://s.click.aliexpress.com/e/_ooytcif
Solder Oxidation Cleaner Paster
https://s.click.aliexpress.com/e/_okNUiXZ
Solder Remover Wire
https://s.click.aliexpress.com/e/_onQDd79
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WARNING: ☢ ⚠ Always check your local laws before using a frequency to transmit
your RF FM / AM signal
All videos are educational and I do not recommend applying them at home
⚠ ⚠ ⚠ ⚠ ⚠ WARNING ⚠ ⚠ ⚠ ⚠ ⚠
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144MHz transmitter, VHF FM circuit, 2m band radio, RF power amplifier, DIY radio transmitter, ham radio project, homebrew VHF, RF electronics, FM modulation circuit, long range transmitter test
This video details the construction and testing of an FM transmitter, starting with soldering components onto a circuit board and demonstrating a schematic diagram. We explore how to connect a frequency counter and a walkie talkie to create a functional radio. This do it yourself electronics projects guide shows you how to build your own fm radio setup.