In sourcing of FM transmitter, the most frequently asked question is ” i want to broadcast the FM radio signal in a area with 10km radius , could you tell me which model of FM transmitter we can use” . Strictly, the question is impossible to answer. The broadcasting distance is affected by so many factors. The height and gain of antenna, the quality of receiver electromagnetic environment will all affect the broadcasting radius, the below proposal is for reference only, it is the test result based on ideal using environments.
Below are the proposal:
3KM Radius: 30W FM TX + 1-Bay Antenna with 15meters Height.
6KM Radius: 100W FM TX + 1-Bay Antenna with 30meters Height.
10KM Radius: 300W FM TX + 2-Bay Antenna with 40meters Height.
20KM Radius: 500W FM TX + 4-Bay Antenna with 50meters Height.
or 1KW FM TX + 4-Bay Antenna with 30meters Height.
30KM Radius: 1KW FM TX + 6-Bay Antenna with 60meters Height.
or 1KW FM TX + 4-Bay Antenna with 100meters Height.
40KM Radius: 3KW FM TX + 6-Bay Antenna with 100meters Height.
or 5KW FM TX + 6-Bay Antenna with 80meters Height.
50KM Radius: 5KW FM TX + 8-Bay Antenna with 150meters Height.
or 10KW FM TX + 6-Bay Antenna with 120meters Height.
60KM Radius: 10KW FM TX + 8-Bay Antenna with 200meters Height.
70KM Radius: 10KW FM TX + 8-Bay Antenna with 300meters Height.
80KM Radius: 10KW FM TX + 8-Bay Antenna with 400meters Height.
90KM Radius: 10KW FM TX + 8-Bay Antenna with 500meters Height.