Specifically tested with the uniFLOW RDR-80081AGU-NT2-20.
Do you need to install the rfIDEAS Configuration Utility on Arch Linux? Do this.
| data | - usr | - lib | - rfideasconfigurationutility6.10.0 # MOVE THIS TO /usr/lib | - share # IGNORE THIS | - bin # IGNORE THIS
#!/bin/sh
set -e
#apt-get install -y libudev1
#if uname -m | grep -q '64'; then
# ln -sf /lib/x86_64-linux-gnu/libudev.so.1 /lib/x86_64-linux-gnu/libudev.so.0
#else
# ln -sf /lib/i386-linux-gnu/libudev.so.1 /lib/i386-linux-gnu/libudev.so.0
#fi
printf 'KERNEL=="hidraw*", ATTRS{idVendor}=="0c27", MODE="0666"
KERNEL=="hidraw*", ATTRS{idVendor}=="0c27", ATTRS{idProduct}=="3bfa", MODE="0666"SUBSYSTEM=="tty", ATTRS{idVendor}=="0c27", MODE="0666"
SUBSYSTEM=="tty", ATTRS{idVendor}=="0c27", ATTRS{idProduct}=="3bfa", MODE="0666"
SUBSYSTEM=="tty*", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6001",
MODE="0666"
SUBSYSTEM=="tty*", ATTRS{idVendor}=="067b", ATTRS{idProduct}=="2303",
MODE="0666"' > /etc/udev/rules.d/rfideas.rules
udevadm control --reload-rules
udevadm trigger
exit 0
People who give more of a shit than I do can go ahead and figure out how to PKGBUILD this.