Bad Elf, LLC envisions, designs, and manufactures niche hardware and software with an emphasis on Apple's "Made for iPod" program. The Bad Elf team mixes decades of experience and expertise in embedded hardware, firmware, middleware and application software.Bad Elf specializes in the design and manufacture of affordable and reliable high-performance GNSS receivers for GIS mapping and field data collection. All of our products are lightweight, portable, and provide a battery life of twenty-four hours for a full day of data collection activities. Our complete product line offers a range of capabilities and accuracy (from 2.5 meters to 1 meter). Bad Elf products work with Esri Collector, with high-accuracy support, Survey123, and almost any location-based app in the iTunes App Store or the Google Play Store.