http://https://www.wallystech.com/Routerboard/DR40X9-Qualcomm-IPQ-4019-4029-DUAL-BAND-802.11AC-WAVE2-MU-MIMO-ONBOARD-WIFI-RADIO-EMBEDDED-BOARD-supporting-LTE.html Featuring with industrial-grade IPQ4019 /IPQ4029 chipset Integrated with 2x 2 5G high power Radio module and 2x2 2.4G high power Radio module Support 4.940GHz to 5.825GHz Frequency Range Support 2.400GHz to 2.482GHz Support 2 x 5G MMCX Connectors and 2x2.4G MMCX Support 5MHz/10MHz/20MHz/40MHz/80MHz Bandwidth Support 11ABGN/AC Support fixed data rate RoHS compliance ensure a high level protection of human health and the environment from risks that can be posed by chemicals Our Firmware supports all the modules of Quectel