About product and suppliers:
            465 vhf radio modem products are offered for sale by suppliers on Alibaba.com, of which other communication & networking modules accounts for 1%, communication antenna accounts for 1%, and modems accounts for 1%. 

A wide variety of vhf radio modem options are available to you, such as external. You can also choose from stock vhf radio modem, as well as from wireless, handheld, and vehicle mouted vhf radio modem

There are 27 suppliers who sells vhf radio modem on Alibaba.com, mainly located in Asia. The top countries of supplier is China, from which the percentage of vhf radio modem supply is 100% respectively.