L506 miniPCIe, CAT4 LTE GSM/BEIDOU/GLONASS MDM 9x07 Qualcom 52pin Mini PCIE
L509 REN, 29x32mm LTE DU/UL WCDMA B1 GSM Dual Band GNSS optional = Quectel EC20/21/25/200A
L509RE, 29x32mm LTE DU/UL WCDMA B1 GSM Dual Band = Quectel EC20/21/25/200A
L510 E-3S, ASR1603 chip 22.9x21.9mm LTE DL/UL GSM Dual Band Dual SIM = Quectel CAT1 EC600N/S
L510 EN-3S, ASR1603 chip 30x30mm LTE DL/UL GSM Dual Band GNSS optional = SIMCom SIM7600
L660 XE-2, NB-IoT 17.7x15.8mm Eigencomm EC626 Band 1/3/5/8/20/28
L660 XE-2E, NB-IoT 17.7x15.8mm Eigencomm EC626 Band 1/3/5/8/20/29 BLTE