Portable Repeaters

DEM Portable Repeater
DEM VHF Portable Repeater

There is a portable VHF repeater on the DEM VHF land mobile frequency (154.055/158.850) pair in a rolling 3U rack case. It can operate at 30 watts output on AC or external DC power and 8 watts on the internal battery. A separate bag contains a tripod, mast, guy kit, coax and Tram 1400 5/8 over 5/8 wave vertical antenna.  The DEM VHF/UHF cache radios include this DEM PT channel and are available for use with the system as needed.  This system is licensed anywhere in Snohomish County as KIL405 and can be used by anyone who is authorized.

The portable system block diagram and parts list is available.  Additionally, the repeater deployment instructions and antenna deployment instructions are also available by clicking the appropriate links above.

443 SNP Repeater

443 MHz SNP (Shared Non-Protected) Amateur Repeater

This is an Icom repeater in a black dry box and outputs 20 watts with a callsign of WA7DEM/R.  It is programmed for the amateur 443.000/448.000 shared non-protected frequency pair with a encode/decode tone of 123.0Hz.  It has a Powerpole power input for 12V DC and an N antenna connector.  There is a matching antenna bag with mast, tripod, guy kit, coax and Tram 1450 aluminum vertical antenna.

VTAC36 Portable Repeater

VTAC36 Portable Repeater

VTAC36 is a duplex VHF national interoperability frequency.  This is an Icom repeater that outputs 30 watts in a black Pelican case.  It includes a monitor speaker and voltmeter.  VTAC36 is 151.1375/159.4725 and the repeater uses a 136.5Hz encode/decode tone.  It has a Powerpole power input for 12V DC and a PL-259 antenna connector.  A separate bag contains a tripod, mast, guy kit, coax and Tram 1400 5/8 over 5/8 wave vertical antenna. 

UTAC43 Portable Repeater

UTAC43 Portable Repeater

UTAC43 is a duplex UHF national interoperability frequency.  This system is a Motorola Repeater in a larger clam shell case that includes a power supply, 12V DC input and an N antenna connector.  UTAC43 is 453.8625/458.8625 with a 156.7Hz encode/decode tone.  There is a matching antenna bag with mast, tripod, guy kit, coax and Tram 1450 aluminum vertical antenna.