Выход в эфир на 3 Мгц с транзисторного передатчика.
У вашего броузера проблема в совместимости с HTML5
Все детали можно купить в Китае. Так же не забывайте про российский ЧипДип, Элетан.
https://alitems.com/g/1e8d114494b4faeced0416525dc3e8/?ulp=https%3A%2F%2Fru.aliexpress.com%2Faf%2Ftea6200.html%3FSearchText%3Dtea6200%26d%3Dy%26initiative_id%3DAS_20190925075609%26origin%3Dn%26catId%3D0%26isViewCP%3Dy%26jump%3Dafs%26switch_new_app%3Dy
теа6200
https://alitems.com/g/1e8d114494b4faeced0416525dc3e8/?ulp=https%3A%2F%2Fru.aliexpress.com%2Faf%2Ftl072.html%3FSearchText%3Dtl072%26d%3Dy%26initiative_id%3DSB_20190925075735%26origin%3Dn%26catId%3D0%26isViewCP%3Dy%26jump%3Dafs%26switch_new_app%3Dy
tl072
https://alitems.com/g/1e8d114494b4faeced0416525dc3e8/?ulp=https%3A%2F%2Fru.aliexpress.com%2Faf%2Fsg3525.html%3FSearchText%3Dsg3525%26d%3Dy%26initiative_id%3DSB_20190925075829%26origin%3Dn%26catId%3D0%26isViewCP%3Dy%26jump%3Dafs%26switch_new_app%3Dy
sg3525
https://alitems.com/g/1e8d114494b4faeced0416525dc3e8/?ulp=https%3A%2F%2Fru.aliexpress.com%2Faf%2Firfp250.html%3FSearchText%3Dirfp250%26d%3Dy%26initiative_id%3DSB_20190925075925%26origin%3Dn%26catId%3D0%26isViewCP%3Dy%26jump%3Dafs%26switch_new_app%3Dy
irfp250
https://alitems.com/g/1e8d114494b4faeced0416525dc3e8/?ulp=https%3A%2F%2Fru.aliexpress.com%2Fitem%2FDC-0-10A-Mini-Pocket-Amperimetro-Analogico-Analog-Ammeter-Analog-Panel-Meter-For-Experiment-or-Home%2F32638431258.html%3Fspm%3Da2g0s.9042311.0.0.274233edaFPGtV
амперметр
https://ru.aliexpress.com/item/10pcs-Ferrite-Core-EMI-Filter-17-5X9-5X28-5mm-Cores-Ring-Anti-Parasitic-Toroide-Toroidal-Bead/32671725432.html?spm=a2g0s.9042311.0.0.274233ed96r24T
трубки для шпт
https://alitems.com/g/1e8d114494b4faeced0416525dc3e8/?ulp=https%3A%2F%2Fru.aliexpress.com%2Fitem%2F10pcs-KN32-toggle-switch-and-rocker-switch-ON-OFF-ON-6-pin-2-way-DPDT-5A%2F32544933378.html%3Fspm%3Da2g0s.9042311.0.0.274233ed96r24T
тумблер
http://radiorubka.at.ua/_fr/1/3070519.gif
шим модулятор
http://radiorubka.at.ua/_fr/1/6628820.jpg
оконечный каскад