receiverattachment
nounUK /rɪˈsiːvər əˈtætʃmənt/
US /rɪˈsiːvər əˈtætʃmənt/
A receiver attachment is a small extra part that you put on a device to help it catch signals.
He screwed the receiver attachment onto the old radio so it could pick up stations better.
OTHER MEANINGS
2. A part that connects a receiver to another piece of equipment.
The receiver attachment linked the headphones to the main unit.
3. An extra fitting on a gun that holds the firing mechanism.
The gunsmith cleaned the receiver attachment before reassembling the rifle.
4. A device added to a phone or radio to improve reception.
She bought a receiver attachment to get clearer calls in the countryside.