This disclosure relates to the field of molecules having pesticidal utility against pests in Phyla Nematoda, Arthropoda, andor Mollusca, processes to produce such molecules and intermediates used in such processes, compositions containing such molecules, and processes of using such molecules against such pests. Data from the external device, such as image data from a camera in an epiretinal application, are communicated to the implant. An enhanced reverse encapsulation packet combines the feature of a separate round trip delay packet with a separate reverse encapsulation packet.