A portable communication device, comprising: a programmable logic array for operating as a coexistence module, CEM; an applications processor, AP, operatively coupled to the CEM; a baseband processor, BP, operatively coupled to the CEM; a first modem operatively coupled to the BP, the first modem configured to operate using a first frequency band; a second modem operatively coupled to the AP, the second modem configured to operate using a second frequency band; the AP, the BP, and the first and second modems (108, 110) configured to operate in a converged mode in which both the first and second modems (108, 110) operate simultaneously; an attenuation switch operatively coupled to the CEM and the second modem; the BP configured to generate signals to the CEM and to the AP while the first modem is transmitting and receiving on the first frequency band; the second modem configured to generate signals to the CEM and to the AP when the second modem is transmitting and receiving on the second frequency band; and the AP and the CEM configured to detect signals indicating interference between the first and second frequency bands and to determine a cause of interference as being one from a plurality of predetermined interference scenarios, the CEM configured to engage the attenuation switch to temporarily disconnect an antenna path of the second modem and negate RF communications associated with the second modem while the AP configured to determine an applicable interference mitigation to counter the interference, the AP configured to apply the interference mitigation to enable the second modem to operate in a restricted mode; and the AP configured to generate a disengage signal to the CEM, and the CEM configured to disengage the attenuation switch in response thereto, thereby re-establishing converged operation during which the first modem and second modem operate simultaneously, the second modem operating in the restricted mode. a programmable logic array for operating as a coexistence module, CEM; an applications processor, AP, operatively coupled to the CEM; a baseband processor, BP, operatively coupled to the CEM; a first modem operatively coupled to the BP, the first modem configured to operate using a first frequency band; a second modem operatively coupled to the AP, the second modem configured to operate using a second frequency band; the AP, the BP, and the first and second modems (108, 110) configured to operate in a converged mode in which both the first and second modems (108, 110) operate simultaneously; an attenuation switch operatively coupled to the CEM and the second modem; the BP configured to generate signals to the CEM and to the AP while the first modem is transmitting and receiving on the first frequency band; the second modem configured to generate signals to the CEM and to the AP when the second modem is transmitting and receiving on the second frequency band; and the AP and the CEM configured to detect signals indicating interference between the first and second frequency bands and to determine a cause of interference as being one from a plurality of predetermined interference scenarios, the CEM configured to engage the attenuation switch to temporarily disconnect an antenna path of the second modem and negate RF communications associated with the second modem while the AP configured to determine an applicable interference mitigation to counter the interference, the AP configured to apply the interference mitigation to enable the second modem to operate in a restricted mode; and the AP configured to generate a disengage signal to the CEM, and the CEM configured to disengage the attenuation switch in response thereto, thereby re-establishing converged operation during which the first modem and second modem operate simultaneously, the second modem operating in the restricted mode.