QUANSHENG UV-R50 UHF/VHF dual band two way radio CHANNEL STORAGE A complete channel need include the following parameters: receiving and transmitting frequency, CTCSS,T-CTCSS, transmitting power, channel bandwidth, PTT-ID,BCL, codes, scan, channel name. The others parameters can be setted in frequency mode except the scan, channel name. they setted by program software, then storage in specified channel number by menu 27. Squelch Level（SQL） This function can turn on or off the monitor according to signal strength. Output Power（TXP） This function can choose High/Low output power. Battery Saving（SAVE） This function is mainly to save the capacity of battery when the radio is standby. Feature : 01.high capacity Li-ion battery and smart charger 02.Receive/transmit code setting separately 03.UHF/VHF dual band receive/transmit 04.FM radio(65-108MHz) 05.Large LCD display 06.PC programmable 07.Fast MENU operation 08.Emergency alarm function 09.H/L output power selective 10.Squelch level adjustable 11.Multi power saving function 12.Voice prompt( Chinese and English) 13.Reminding switch 14.Dual display of frequency and channel 15.Channel name edit 16.Channel Storing 17.Frequency/channel mode shift 18.Multi LCD backlight auto off selective 19.Time of backlight auto off selective 20.VOX function 21.Dual-watch operation 22.Offset frequency and offset direction setting 23.Multi display mode: channel/frequency/channel name 24.CTCSS/DCS code search automatically 25.Multi step frequency 26.Busy channel lock 28.Offset frequency and offset direction setting 29.Multi display mode: channel/frequency/channel name 30.CTCSS/DCS code search automatically 31.Multi step frequency 32.Busy channel lock 33.Time-out-timer(TOT) 34.Multi scan function selective 35.Channel scan addtive 36.Wide/narrow/bandwidth selective 37.Main/sub channel shift 38.1750 call tone 39.Reminding of repeater transfer 40.Auto-keylock 41.128 channels 42.Channel delete function 43.Reset 44.DTMF function 45.PTT-ID 46.CTCSS/DCS 47.Reverse function Specifications : General Specifications Frequency Range Dual Band：136-174MHz /400-480MHz(RX/TX) Channel 128 Channel Spacing 25 /12.5KHz Operating Voltage 7.2V Antenna Impedance 50Ω Operating Temperature -25℃~+65℃ Frequency Stability ±2.5ppm Receiving part Output Power 5W Modulation 16KΦF3E/11KΦF3E Maximum Deviation ≤5.0KHz(宽带) Stray Power ≤7.5μW Modulation Distortion ≤5% Transmitting section Sensitivity ≤0.25/0.28μV Adjacent Channel Selectivity 70/50dB Intermodulation 60dB Spurious Response Rejection 70dB S/N 43/38dB Rated Audio Power Output ≤0.5W Rated Audio Distortion ≤5% Packing details Battery Standard: 2000mAh( Li-ion) Dimensions(H*W*D)(without antenna) 117mmX57mmX34mm Weight(with antenna and battery) 220.5g Package 40/60/80 pcs per carton Package Contains: 1 x UV-R50 UHF/VHF dual band two way radio 1 x Antenna 1 x USER'S MANUAL 1 x Li-ion battery 1 x Charger 1 x Belt clip 1 x Rope