46 Installation planning— fuse holders— receptacles for a remote speaker (speaker not included)— BNC or mini-UHF antenna plug.Installation toolsThe following installation tools may be required: portable drill and drill bit Pozidriv screwdriver 8mm (5/16 inch) socket (or Pozidriv screwdriver) BNC or mini-UHF crimp tool fuse crimp tool in-line RF power meter capable of measuring forward andreflected power at the operating frequency of the radio.Microphone clip installation toolsThe following installation tools may be required for installingthe microphone: centre punch drill bit Pozidriv screwdriver hammer.Selecting the mounting positionInspect the vehicle and determine the safest and mostconvenient location for mounting the radio.The installation must meet the following requirements: sufficient clearance behind the radio for the heatsinkand cables a large enough flat surface so that the mounting bracketwill not be distorted no danger of the radio interfering with airbag deployment.