An electronic device (100, 400, 1000, 1300) that is configurable to be transitioned from a first operating mode having a first form factor to a second operating mode having a second form factor, the electronic device (100, 400, 1000, 1300) comprising: a first device portion (108, 408, 1008, 1310) that includes a radio frequency, RF, antenna (412, 1012, 1316); and a second device portion (110, 410, 1010, 1312) that is connected to the first device portion (108, 408, 1008, 1310) and includes a first antenna adaptation element; the first antenna adaptation element being positioned more closely to the RF antenna (412, 1012, 1316) in the second operating mode than in the first operating mode and the first antenna adaptation element being configured to, in the second operating mode, cover a portion of the RF antenna (412, 1012, 1316) in a direction perpendicular to a plane of contact between the first portion and the second portion and thereby passively counteract a shifting of a resonant frequency of the RF antenna (412, 1012, 1316) that would otherwise occur as a result of the electronic device (100, 400, 1000, 1300) being transitioned from the first operating mode to the second operating mode, characterised in that the electronic device (100, 400, 1000, 1300) is configurable to be transitioned from the second operating mode to a third operating mode having a third form factor, the electronic device (100, 400, 1000, 1300) further comprising: a third device portion that is connected to the second device portion (110, 410, 1010, 1312) and includes a second antenna adaptation element; the second antenna adaptation element being positioned more closely to the first antenna adaptation element and the RF antenna (412, 1012, 1316) in the third operating mode than in the first operating mode and the second operating mode and the second antenna adaptation element being configured to, in the third operating mode, cover a portion of each of the first antenna adaptation element and the RF antenna (412, 1012, 1316) in a direction that is perpendicular to a plane of contact between the second portion and the third portion and thereby passively counteract a shifting of the resonant frequency of the RF antenna (412, 1012, 1316) that would otherwise occur as a result of the electronic device (100, 400, 1000, 1300) being transitioned from the second operating mode to the third operating mode. a first device portion (108, 408, 1008, 1310) that includes a radio frequency, RF, antenna (412, 1012, 1316); and a second device portion (110, 410, 1010, 1312) that is connected to the first device portion (108, 408, 1008, 1310) and includes a first antenna adaptation element; the first antenna adaptation element being positioned more closely to the RF antenna (412, 1012, 1316) in the second operating mode than in the first operating mode and the first antenna adaptation element being configured to, in the second operating mode, cover a portion of the RF antenna (412, 1012, 1316) in a direction perpendicular to a plane of contact between the first portion and the second portion and thereby passively counteract a shifting of a resonant frequency of the RF antenna (412, 1012, 1316) that would otherwise occur as a result of the electronic device (100, 400, 1000, 1300) being transitioned from the first operating mode to the second operating mode, characterised in that the electronic device (100, 400, 1000, 1300) is configurable to be transitioned from the second operating mode to a third operating mode having a third form factor, the electronic device (100, 400, 1000, 1300) further comprising: a third device portion that is connected to the second device portion (110, 410, 1010, 1312) and includes a second antenna adaptation element; the second antenna adaptation element being positioned more closely to the first antenna adaptation element and the RF antenna (412, 1012, 1316) in the third operating mode than in the first operating mode and the second operating mode and the second antenna adaptation element being configured to, in the third operating mode, cover a portion of each of the first antenna adaptation element and the RF antenna (412, 1012, 1316) in a direction that is perpendicular to a plane of contact between the second portion and the third portion and thereby passively counteract a shifting of the resonant frequency of the RF antenna (412, 1012, 1316) that would otherwise occur as a result of the electronic device (100, 400, 1000, 1300) being transitioned from the second operating mode to the third operating mode. a third device portion that is connected to the second device portion (110, 410, 1010, 1312) and includes a second antenna adaptation element; the second antenna adaptation element being positioned more closely to the first antenna adaptation element and the RF antenna (412, 1012, 1316) in the third operating mode than in the first operating mode and the second operating mode and the second antenna adaptation element being configured to, in the third operating mode, cover a portion of each of the first antenna adaptation element and the RF antenna (412, 1012, 1316) in a direction that is perpendicular to a plane of contact between the second portion and the third portion and thereby passively counteract a shifting of the resonant frequency of the RF antenna (412, 1012, 1316) that would otherwise occur as a result of the electronic device (100, 400, 1000, 1300) being transitioned from the second operating mode to the third operating mode.