Frequency Uhf400 470 Mhz Up To 16 Channels 50 Groups CTCSS 105 Groups Of Standard Dcs Time out Timer Tot Broadband Narrow Band Battery Saving Function Busy Channel Lockout Bcl Low Battery Voltage Warning Programmable By Pc Function Operation Squelch Level The Purpose Of Squelch Is To Mute The Speaker When On Signals Are Present Squelch Off With The Squelch Level Correctly Set You Will Hear Sound Only While Actually Receiving Signals Squelch On The Squelch Level Can Be Adjusted Via Program Software The Frequency Of Squelch Is 0 On 9 Deep Steps 1 Examining Switch When Walkie talkie Is Set As Scan Via Software Turn The Channel Selector To Channel 16 After The 5 Sec The Raolo Will Automatically Detect The Activity Of Scanning Channel From Ch1 To Ch15 Channel Each Channel Can Be Set Scan Or Not Via Software When The Signal Is Scanned Channel The Radio Will Automatically Stop On The Channel For The Call A Walkie talkie Will Stay On The Signal Channel When The Signal Disappears And Then After 5 Sec Keep Scanning The Next Channel B On the off chance that There Are Less Than 2 Channels It Cannot Scan C On Channel 16 Press And Hold The Ptt And Side Key It Will Turn On The Scan Or Turn Off The Sweep D On the off chance that The Fm Radio Function Is Activated It Cannot Scan What s in the box 2 x Baofeng Radio 2 x Antenna 1 x Charger 2 x Battery 2 x Earpiece 1 x User s Manual