Galaxy-DX-949 40 Channel AM/SSB Mobile CB Radio Large, easy-to-read meter with scales for power output, modulation, SWR and incoming signal Two-digit channel display with large yellow digits, variable power output control, variable talkback circuit with on/off switch Automatic SWR circuit and an SWR alert LED, Roger Beep with on/off switch Variable dimmer control with push switch to turn off the meter lamp and display digits, 3-position tone switch for receive, rear connector for accessory Galaxy six-digit frequency counter (purchased separately - not included) Proprietary Galaxy Noise Filter (GNF) Circuit reduces noise to aid in the recovery of weak SSB signals