The aim of the article. The authors analyze the spheres of general interests and collaboration between Ukraine and Russia and methodical bases of such collaboration and its instruments in the article. The analysis of dynamics of external trade turnover and commodity structure of export and import of Sumy region as displays of economic border-region collaboration of two states is carri... https://www.roneverhart.com/Behringer-UL-1000G2-Wireless-In-Ear-Monitoring-System-US-584-to-608-MHz-p31393/