This Sennheiser SR 300 IEM G3 wireless transmitter operates in the 566 - 608 MHz G - range. It doesn't come with a power supply. Before buying, make sure to check your country's wireless frequency regulations as some frequency ranges may be illegal in certain countries. The software revision is 1.7.0, and it includes an antenna.

Using this Sennheiser SR 300 IEM G3 wireless transmitter is easy. First, connect the antenna that comes with the product. You'll need to use your own power supply since it's not included. Before turning it on, check your country's wireless frequency laws to avoid any legal issues. When using, keep it in a stable environment away from strong magnetic fields. For maintenance, clean the antenna regularly with a soft cloth. Don't expose it to extreme temperatures or moisture. If you encounter any problems, check the software revision 1.7.0 for possible updates.