Unication Charger Amplifier - G2-G5 G2/G3/G4/G5 Amplified Charger Charges the UNICATION G4/5 Pager VHF/UHF Antenna included to extend the receiving range Volume Control & Front Facing Speaker Additional features: Desktop Charger with amplified speaker BNC Connector can be used for ...Unication Charger Amplifier - G2-G5 G2/G3/G4/G5 Amplified Charger Charges the UNICATION G4/5 Pager VHF/UHF Antenna included to extend the receiving range Volume Control & Front Facing Speaker Additional features: Desktop Charger with amplified speaker BNC Connector can be used for the included antenna or external antenna The charging LED indicates the state of the battery Audio Output for external speaker RS485 Controller Port for optional Unication accessories 6 Pin DIN port for external relay and audio connections 4 Pin Horn Speaker Port for relay and audio connections USB DC output for charging optional Bluetooth headset Included in the box: Charger Wall Plug Antenna