This model is the latest Radio based model that is having more range than any other model and also having more than 127 channels that work individually from one to one system. Best for Drama companies and Seminar organizers. 

The hand radio device is having 

Radio Frequency IC: Upgraded SQ to enhance the anti-interference abilityRDA1846S adds a new tail tone elimination function when transmitting and receiving a signal between 50Hz with 55HzImproves the receiver AGV switching noise when signal strength changes severely

Frequency-Modulated Receiver Chip: The RDA5802N has a powerful low-IF digital audio processor, which makes it have the most optimum sound quality with varying reception conditionsPower Amplifier IC: Low crossover distortion low quiescent circuit currentN5R Firmware (August 2014)Hold ‘0’ – Display Voltage. 

The maximum range is from 200 Meters to 1 KM in open areas like playgrounds or any open field. 

This is the latest model in Radio based in India. 

(Jammer Free Banyan, 128 channel Jammer Free devices, 100-channel Jammer free device)