USAlert WatchDog LT Charger with Antenna

The USAlert WatchDog LT Pager Charger with Antenna is meant to be used when the WatchDog LT Pager is recharging, is turned on, and the paging system signal strength may not be quite enough to alert the pager. Adding a local Antenna Assembly to the WatchDog LT Charger will improve the signal reception and should resolve the issue. The WatchDog LT Charger with Antenna is a standard WatchDog LT Charger with additional circuitry for routing the improved paging signal to the pager and a mounted BNC connector for attaching the Antenna and Antenna Cable to the Charger. Both USAlert WatchDog and WatchDog LT Pagers can be used interchangeably in the LT Charger with Antenna.

Manufacturer: USAlert

The Antenna has a 2.1dBi gain at VHF frequencies and 4.5dBi gain at UHF frequencies.  An antenna with 3dBi gain will have twice the received signal strength when compared to an antenna with 0dBi gain.  Received signal strength and therefore range can be increased by raising the transmitter output power or in this case, using a higher gain antenna.

The Antenna Assembly includes an Upper and Lower Antenna section, the Antenna Base, and the Antenna Cable.  Physical dimensions of the individual parts are Upper Antenna (17.25”), Lower Antenna (9”), Base height (1.5”), Base diameter (3.5”), and Antenna Cable (39.4” or 1 meter).  Total height of the Antenna Assembly is 27.75”.

The Antenna has a 2.1dBi gain at VHF frequencies and 4.5dBi gain at UHF frequencies.  An antenna with 3dBi gain will have twice the received signal strength when compared to an antenna with 0dBi gain.  Received signal strength and therefore range can be increased by raising the transmitter output power or in this case, using a higher gain antenna.

The Antenna Assembly includes an Upper and Lower Antenna section, the Antenna Base, and the Antenna Cable.  Physical dimensions of the individual parts are Upper Antenna (17.25”), Lower Antenna (9”), Base height (1.5”), Base diameter (3.5”), and Antenna Cable (39.4” or 1 meter).  Total height of the Antenna Assembly is 27.75”.