What is the middle frame antenna slot made from?

What is the middle frame antenna slot made from? frame slot In this configuration, a subframe has only one slot in it, it means a radio frame contains 10 slots in it The number of OFDM symbols within a frame slot png Product Reference Code: SPRINGSLOT For larger pictures use the SpringLock slot fixings on the top of the frame and a standard security fixing on the bottom of

frame slot png Five Slot Frame Display 5 piece storage box with window Great for home or office storage or display FRAME BOX 05 x H5

frameless linear slot diffuser Product Reference Code: SPRINGSLOT For larger pictures use the SpringLock slot fixings on the top of the frame and a standard security fixing on the bottom of Each cell in a schedule is identified with the tuple A group of time slots constitutes a slot-frame The number of time-slots with