Big problem of range

Big problem of range

HDigiWorld WL RF Transceiver Module for Arduino + Remote Control Receiver / ARM / MCU 433Mhz ASK (Toy)
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Customer Review

Received the parcel,

By cons ... the use scope is disastrous! 5cm without antenna.
With an antenna of 17 cm and a 12V supply, I spend 2, 3m ... but no more.

I use an Arduino with virtualwire bookstore ...

Super disappointed!

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