Beltpack Transmitter. Compatible with JTS R-4 System. Unlicensed & Licensed OptionsCarrier Frequency: 606.5-638 (Licensed) or 823-865 (Unlicensed). The JTS R-4TBM body pack transmitter to be used with the JTS R4 receiver. It is a great option for anyone in need of a reliable and versatile wireless system for their tie or headset microphone. Some of the key features of the R-4TBM include its durable metal housing- selectable frequencies- and compatibility with a variety of JTS microphones. With the ability to select between 2400 to 3000 frequencies and 15 groups of up to 63 compatible channels- the R-4TBM provides a lot of flexibility when it comes to avoiding interference and finding the best signal for your needs. The Phase-Locked Loop (PLL) synthesized tune and extended dynamic range also ensure a high-quality sound with a smooth frequency response. The adjustable transmission power allows you to switch between Low and High power modes- which can be especially helpful in situations where you need to conserve battery life or boost your signal strength. And with the panel Lock-On function- you can prevent others from accidentally tampering with your settings and causing RF interruption. Overall- the JTS R-4TBM body pack transmitter is a reliable and versatile option for anyone in need of a wireless microphone system for their performances or presentations. The JTS R-4TBM is available in licenced and unlicensed frequencies.. radio microphone-jts radio microphone