Overview Product Description Half wave antenna with 3 dBi gain for Elsys ELT series operating at 868 MHz where high performance is required. Using this antenna will give optimum range and reliability to your application. Product Videos Custom Field Product Reviews Write a Review Write a Review × Elvaco Elsys Half wave antenna 868 Mhz Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *