The Lectrosonics HHA - B1 operates in the B1 Band (537.600 - 607.950 MHz). Before buying, make sure to check your country's wireless frequency regulations as some frequency ranges may be illegal in certain countries.

Using this handheld wireless transmitter is easy. Just turn it on and pair it with your compatible receiver. When using, always keep an eye on the battery level. Before you buy, remember to check your country's wireless frequency laws to avoid any legal issues. For maintenance, keep it in a dry and clean place. Avoid exposing it to extreme temperatures and humidity. Wipe it with a soft, dry cloth regularly to keep it in good condition.