TP9100 Service Manual Description 19© Tait Electronics Limited May 20052 DescriptionThis section describes the mechanical design and architecture of the radio,explains the operation of the transceiver, and gives pinouts of the radioconnectors and contacts.2.1 Mechanical DesignOverview The radio consists of the following main components:■ antenna■ battery■ radio2.1.1 AntennaThe antenna screws into the antenna SMA connector at the top of the radio.For an overview of the available antennas refer to “Antenna IdentificationChart” on page 297.2.1.2 BatteryThe battery is held in place by two lugs at the bottom of the battery whichfit into two holes at the bottom of the radio, and a catch mechanism at thetop of the radio, which is released by squeezing two symmetrical latches.The battery connects to the radio electrically by three contacts. For moreinformation refer to “Connectors and Contacts” on page 27.