The product quality and customer service they offer cannot be matched by any other company. I can depend on their transmitters to perform better than promised even in harsh environmental conditions. Battery life typically exceeds the advertised life span so I never have to worry about losing study animals to early transmitter failure. In the extremely rare event that something does go wrong with one of their transmitters, they replace it quickly and without question. John is extremely knowledgeable and really goes above and beyond in terms of customer service to understand the goals of my projects so that he can recommend the best product and/or possible modifications to fit my needs. I know I’m going to get the same great service whether I’m buying a single transmitter or 100.     


I will never buy transmitters from anywhere but Holohil!
Sarah J. Baker
Illinois Natural History Survey