The JSS-20 is the perfect partner for the UF-20S and UF-20R. It utilises the JTS SAM-8WLN dynamic capsule and benefits from our latest class leading technology to ensure rock solid RF. Many high end features are incorporated including Low Cut function, the ability to name the transmitter, slot in charger option and interchanegable capsules with the option to use some classic capsules. KEY FEATURES 2400 to 3000 selectable frequencies Preset 15 groups each of up to 63 compatible channels Phase-Locked Loop (PLL) synthesized tune Adjustable transmission power between Low and High Low cut function. JTS newest development SAM-8WLN capsule assures outstanding acoustic performance while minimizes touching noise. Interchangeable capsule design for various choices including some classic capsule modules. It is designed with slot-in charging feature with two AA NiMH rechargeable batteries. Net Weight: 350g Frequency Preparation: PLL Synthesized Control Carrier Frequency: UHF 606 - 681MHz Controls: Power ON / OFF, AF Level, Frequency (Up / Down), Lock-on Mode, REMOSET ID Pairing, RF Output Adjust RF Outputs: High/Low Option Frequency Deviation: ±48KHz (Peak) Battery: 2x AA Stability: < ±10KHz LCD Display: Group, Channel, Frequency, Battery Status, User Name, GAIN Adjust Bandwidth: 60-75Mhz Wideband Freq. Response: 50Hz - 18kHz