Buy three FRS radios (about $15 each), teach parents and hubby

来源: 于 2007-01-24 07:34:20 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次
how to use them. They are extremely helpful in parks. They can be used with a distance of 1.5miles, even though they claims to have 2 miles. It all depends on the situation of the ground.