Which frequency is allowed in India?

Presently majority of wireless based PABX solutions available in the Indian market operate in 2.4 GHz de-licensed ISM band .26 Ara 2011

According to a notification dated September 16, issued by the wireless planning and coordination wing of the Ministry of Communication and Information Technology, the government has de-licenced use of devices or wireless microphones in the frequency bands of 36-38 MHz, 433-434.79 MHz, 302-351 kHz and 76-77 GHz .

License free frequencies are availalbe to be used by anbody withing to use them, the most commonly known include; 315MHz, 433MHz, 868MHz, 915MHz and 2.4GHz .

So in reality a major portion of the 868 MHz LoRa frequency channels are in the license free 865 MHz – 867 MHz band in India. … Update (01-01-2017) ChannelFrequencyModulation / BW5866.400 MHzMultiSF 125 kHz6866.600 MHzMultiSF 125 kHz7866.800 MHzMultiSF 125 kHzLoRa865.700 MHzSF7 250 kHzLoRa Frequency Bands in India – Ensemble Tech www.ensembletech.in › Blog

Unlicensed means the operator of the radios does not need to file directly with the FCC to use the radio. The three frequency bands used for this in the U.S. are the 900 MHz, 2.4 GHz and 5.8 GHz .

433 MHz is not license free in India . Only 865 MHz to 867 MHz and 2.4 GHz. You cannot use 433 MHz wireless devices in India.