The e07-m1101d is often mistaken for having only 10 pins, but the antenna connection is essentially another “pin” in terms of functionality. Most variants have:
If using a wire antenna, solder a 17.3 cm wire (for 433 MHz) or 8.2 cm wire (for 868/915 MHz) to the ANT pad. Do not connect an antenna directly to any of the numbered pins 1–10. e07-m1101d pinout
Yes. But remember to use a level shifter if using a 5V Arduino (Uno, Mega). The e07-m1101d is often mistaken for having only
Note: Exact pin names and presence vary across e07-m1101d revisions or clones; verify the physical silkscreen and schematic for your module. If using a wire antenna, solder a 17