... the same time- can insert 16 SIM cards(big or small)- Connected through the two data lines can be integrated ... for the size of SIM card;3,ports support hot-swapping;4,a separate module can be demolished;5,connect ... two data lines, very simple;6,the size of a small, elegant, accounting for a smaller space standard 1U chassis, ... -10-21 18:30:28 multi MODEM POOL 8ports hot selling Mini card small size