Devices related to unpowered switching module

A wireless device comprising:

• a transceiver configured to generate a first radio-frequency signal;
• a first front-end module in communication with the transceiver, the first front-end module including a first packaging substrate configured to receive a plurality of components, the first front-end module further including a first transmission system and a switching module implemented on the first packaging substrate, the first transmission system being configured to amplify the first radio-frequency signal, the switching module including a first input terminal, a second input terminal, and an output terminal configured to output a radio-frequency component of an input signal received on the first input terminal or the second input terminal in response to the input signal including a positive direct-current voltage, the switching module further including a first transistor having a drain directly coupled to the first input terminal via a first capacitor, a gate coupled to the first input terminal via a first resistor, and a source coupled to the output terminal, the switching module further including a second transistor having a drain directly coupled to the second input terminal via a second capacitor, a gate coupled to the second input terminal via a second resistor, and a source coupled to the output terminal, the switching module further including a third transistor having a drain coupled to the first input terminal, a gate coupled to the second input terminal via the second resistor, and a source coupled to a ground terminal of the switching module, and the switching module further including a fourth transistor having a drain coupled to the second input terminal, a gate coupled to the first input terminal via the first resistor, and a source coupled to the ground terminal;
• and
• a first antenna in communication with the first front-end module, the first antenna configured to transmit the amplified first radio-frequency signal.