A tunable radio front end comprising: a first tunable impedance matching network ; a second tunable impedance matching network ; a transmission signal path comprising: a first tunable filter in communication with the first tunable impedance matching network , a first tunable power amplifier connected to the first tunable filter and tunable to roll off at a first desired frequency, and a radio transmitter connected to the first tunable power amplifier , characterized by each of the first tunable impedance matching network , the first tunable filter , and the first tunable power amplifier being adjustable to tuning settings at which the transmission signal path passes signals of a desired transmit frequency band and blocks signals of a desired receive frequency band; and a reception signal path comprising: a second tunable filter in communication with the second tunable impedance matching network , a first tunable low-noise amplifier connected to the second tunable filter and tunable to roll off at a second desired frequency, and a radio receiver connected to the first tunable low-noise amplifier , wherein each of the second tunable impedance matching network , the second tunable filter , and the first tunable low-noise amplifier are adjustable to tuning settings at which the reception signal path passes signals of the desired receive frequency band and blocks signals of the desired transmit frequency band. a first tunable impedance matching network ; a second tunable impedance matching network ; a transmission signal path comprising: a first tunable filter in communication with the first tunable impedance matching network , a first tunable power amplifier connected to the first tunable filter and tunable to roll off at a first desired frequency, and a radio transmitter connected to the first tunable power amplifier , characterized by each of the first tunable impedance matching network , the first tunable filter , and the first tunable power amplifier being adjustable to tuning settings at which the transmission signal path passes signals of a desired transmit frequency band and blocks signals of a desired receive frequency band; and a first tunable filter in communication with the first tunable impedance matching network , a first tunable power amplifier connected to the first tunable filter and tunable to roll off at a first desired frequency, and a radio transmitter connected to the first tunable power amplifier , characterized by each of the first tunable impedance matching network , the first tunable filter , and the first tunable power amplifier being adjustable to tuning settings at which the transmission signal path passes signals of a desired transmit frequency band and blocks signals of a desired receive frequency band; and a reception signal path comprising: a second tunable filter in communication with the second tunable impedance matching network , a first tunable low-noise amplifier connected to the second tunable filter and tunable to roll off at a second desired frequency, and a second tunable filter in communication with the second tunable impedance matching network , a first tunable low-noise amplifier connected to the second tunable filter and tunable to roll off at a second desired frequency, and a radio receiver connected to the first tunable low-noise amplifier , wherein each of the second tunable impedance matching network , the second tunable filter , and the first tunable low-noise amplifier are adjustable to tuning settings at which the reception signal path passes signals of the desired receive frequency band and blocks signals of the desired transmit frequency band. <EOS>