Operating HD1 GPS function need use outdoor and under two radios can communicate each other. Please see detail article below about how to operate HD1 GPS function
We always meet some customers can’t unsuccess to programme radio, why they are unsucess? There are many reasons caused. Today, let us know about it
Like RT20 and RT22, another mini radio are coming-RT15. which is analog radio, frequency range 400-470Mhz. It’s also very simple to operate.Even mini simple radio, don’t affect contain most of fuctions.
Retevis H-777 is our most popular walkie talkies,we have sale it from 2014,and we still Improve our products,and keep our quality.It is simple operate walkie talkies,easy to set up,and will bring more convenience for your business. Retevis H-777 will empower your commercial business with faster and convenient way.It work great for various economic business,because it…