i am using a 433 mhz, 3dr radio telemetry. i have thought 433 mhz to be of good frequency for a longe range radio telemetry. however when i am using it in the field, i find the range of the telemetry module to be no more than 30 meters radially.
i would like to know how to increase the range on the module. i am using the supplied omni antennas.
thanks in advance