Corporate Office: P.O. Box 5680, 20511 Dawn Dr., Suite 106 Lago Vista, TX 78645, Phone: 1-800-966-3357, Fax: 512-267-7760
Email: info@dhmarketing.biz
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Integrators 
RF Antennas and Filters
Wireless Two-way and Weather/hazard Alert Radios

Direct Cool Air Conditioning for Shelters and Cabinets

Reliable Solutions to Lightning Protection

Digital Logging Recorders and Accessories.
Authorized Dealer


Gabriel and "Mark" Microwave Antennas
Interoperability, VoIP Products and Voting
Remote Tower Site Monitoring