Quectel EC21EFA-512-STD LTE Cat 1 Module with 2G/3G Fallback and GNSS
FIFO, 512X9, 80ns, Asynchronous, CMOS, CDIP28, 0.600 INCH, CERAMIC, DIP-28
16-Terminal Dual-In-Line OTP ROM IC, 5V, 40ns Access Time, MIL-STD-883
16-Pin Dual-In-Line OTP ROM IC, 5V 4.5-5.5V, 512 Words, MIL-STD-883