Waveshare SIM8200EA-M2 Industrieller 5G-Router hub-motoren QTR-1RC output (yellow) when 1/8"

QTR-1RC output (yellow) when 1/8" above a black line and microcontroller timing of that output (blue)

So you can start out developing using the much smaller Crazyflie 2

The regulator features reverse voltage protection and a power-good output that indicates when the regulator cannot adequately maintain the output voltage

Firmware filtering for better noise tolerance and interference suppression

The compact PVC housing meets IP67 protection class and fits standard 3/4-inch PVC pipe threads

Waveshare SIM8200EA-M2 Industrieller 5G-Router hub-motoren QTR-1RC output (yellow) when 1/8"Waveshare 19747 SIM8200EA M2 Industrial 5G Router, Wireless CPE, Snapdragon X55 Integrated, Gigabit Ethernet and Wi Fi, Support 5G 4G 3G Supports OpenVPN server, OpenVPN client, IPSec, and several other protocols, as well as network connection management. Also supports SAMBA and FTP servers. Frequency range: 5G Sub 6G (SA): n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n40, n41, n48, n66, n71, n77, n78 5G Sub 6G (NSA): n41, n77, n78 LTE FDD: B1, B2, B3,