Heddolf Keystone Antenna for 433MHz Transmitter EX-220
The Heddolf Keystone Antenna for 433MHz Transmitter EX-220 is the perfect antenna to pick up signals from your hand-held remote control. It can be used to pick up a signal up to two to three car lengths from the garage. It allows you to position antenna outside of operator’s casing for better reception and extended range
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