Maximum Range: 3km-5km Frequency Range: 400-470(MHz) Walkie Talkie Type: Portable Talk Range: 1~5KM Dimensions: 13~42CM Color: Black Package Inclulded: 1Pc Rod telescopic Gain Antenna Features: The high-gain telescopic antenna can stretch growth, so the communication distance farther, more clearly. Enhanced intercom receiver sensitivity, increased exhaled range walkie-talkie. Folding whip antenna to help you effectively increase intercom call quality and limited increase distance calls. Allow you to call clearer, farther distance calls. Portable, easy to use and carry.