About product and suppliers:
            347 10km rf module products are offered for sale by suppliers on Alibaba.com, of which other communication & networking modules accounts for 8%, integrated circuits accounts for 2%, and fiber optic equipment accounts for 1%. 

A wide variety of 10km rf module options are available to you, 

There are 40 suppliers who sells 10km rf module on Alibaba.com, mainly located in Asia. The top countries of supplier is China, from which the percentage of 10km rf module supply is 100% respectively.