Im panning to get telemetry for my quad and both are available. But the question is which one to get? I have read some forums saying they interfere with GSM signal in most countries.? So whats the status of india will it interfere.?
Has some used or using this telemetry ?

We use 900mhz(890-960mhz)frequency band for cellular communications, interference would be an issue only if you are flying it close to a cell tower.

433mhz band will have less interference, because you wont find many users on that frequency. So its better than 900mhz. But if you plan to upgrade to 433mhz long range radio then it would be a problem.

However 900mhz band is not exempted to be used by public so its illegal to use them as per law. Whereas 430-440 mhz can be used for amateur radio, but you will probably need a Ham Radio license to use it not sure tho.

http://www.wpc.dot.gov.in/Docfiles/National%20Frequency%20Allocation%20Plan-2011.pdf

Thank you, Which one u use sir.?

Well I used a 433mhz, and I plan to upgrade to 433mhz Orange LRS radio module...so not sure whether it will work, but lets see.

in all which band telemetry u recommend.? Chintal is having 900 and satyagupta having 433Mhz? which one to go for.?

Checking this post http://www.rcindia.org/radios-and-receivers/what-if-i-use-433mhz-for-telemetry/
i prefer 433MHz..
But still expert opinions ..please

IMO and somewhat research that I did.

most of people in india prefer 433..



i bought mine before doing the proper research

ok, i ordered 433Mhz telemetry.!!! hoping for best results