TP-Link TL-MR3020 with 4g modem e3372h
1 x TP-Link TL-MR30201 x 4g modem e3372h2 x 18650 with strips solderedTP4056 USB Type-C with protectDc dc boost converter step up module 5v1 x Slide switch2 x pigtail2 x 4g antenna8 x screw 2mm