提供手机，对讲机，导航系统，无线电等的英文

offering of mobile phones, mobile radio cards, navigation systems, cb-radio

• 提供:    provide; supply; f ...
• 对讲机:    walkie-talkie; int ...
• 导航:    navigation; pathfi ...
• 系统:    system
• 无线电:    radio; wireless
• 等:    class; grade; rank