Chapter 3 Lab Manual for Wireless# Guide to Wireless Communications 2ed Materials Required Pencil and eraser mated completion time: 15 minutes Activity As you know, a multiple access system is defined as that which allows a single transmission made on the communications channel, to be accessed by multiple receivers. Match the following types of systems (not necessarily communications systems) with their method of access. Insert the letter corresponding to the access method in the box to the left of the transmission method. Single Access Method - S Multiple Access Method - M Police Radio Computer Keyboard FM Radio CDMA or TDMA Cellular Telephone PC to Ethernet Switch Roller skates Postal Mail Delivery Multilane Highway 2. Different types of communications systems also allow one-way or two-way communications simultaneously. Match the systems in the table below (not necessarily communications systems) with the correct type of flow. Simplexus Half-Duplex - HD Full-Duplex - FD Walkie-Talkie Computer Keyboard Cellular Telephone AM Radio Internet Television Newspaper Highway