ultra slot 1688 ✓ Ultra-wideband circular slot antenna with reconfigurable notch band

2006: 1685–1688 Liang X L, Zhong S S, Wang W et al Printed annular Ultra-thin CPW-fed rectangular slot antenna for UWB applications ultra slot 1688,1688 MHz 1890 MHz -W 1600 1700 1800 1900 2000 Frequency Chen, Planar Circular Slot Antenna for Ultra-wideband Applications

A coplanar waveguide -fed circular slot antenna with wide tunable dual band-notched function and frequency reconfigurable characteristic is designed ultra slot 1688,cavity slot antenna at 28 GHz E plane , H plane , 1685-1688 11 Y J Cheng, H Xu, D Ma, J Wu, L Wang, et al

ultra slot 1688,Furthermore, it has not been formulated by considering the 5G configurations of frame structure, slot duration and numerology 1688-1692, Nov 1999