At the same time, research and tests that were carried out for 406 MHz ELTs demonstrated that technical requirements for such beacons could be relaxed without affecting system performance, allowing for lower cost designs.
同时，为406兆赫应急定位发射机进行的研究和测试显示，可在不影响系统性能的情况下放宽对这种信标的技术要求，从而降低设计费用。