A disposable injection device includes a dispensing chamber, a plunger, a fuse in series with a light, and a housing. A specialized feed configuration is used in one embodiment to feed multiple antennas stacked above a low band disc through the utilization of one or more coaxial lines which are wrapped around a ferrite toroid so that they may be passed up through the low-band disc without detuning the low band discone antenna. In the case that at least one eDRAM effectiveness prediction has crossed over its threshold, transitioning the eDRAM to a new power state. For each conversation, the processing service determines whether messages of the conversation are to be processed in serial or in parallel, based on the subconversation identifier of the conversation.