A digital receiving antenna device is connected to a digital television through a coaxial cable and has a casing, a flat antenna, a coaxial cable connector and a coaxial transmission line. The housing includes a flash card slot configured within a battery compartment of the portable electronic device to protect a flash card from outside contaminants. In response to determining that the connection is a first connection, the first connection is routed to a best available agent terminal. The hydrogelic material is preferably derived from a pulverized hydrogelic source material selected from the group consisting of: chia seeds; flax seeds; konjac root; prickly pear; aloe vera; thia basil; malabar spinach; red algae; Japanese mountain yam; kelp; liquorice root; mallows; okra; parthenium; pinguicula; and slippery elm bark. Thus, an additional downlink time slot per data frame may be allocated to the mobile station for increased data throughput, where at least one uplink time slot per data frame is utilized for data transmission. The system comprises modules for use with printers of the card readers andor their associated cash registers for communicating information included in receipts generated in response to transactions occurring in respect of the credit cards andor debit cards executed at the card readers.