Dual band two way radio walkie talkie with CE RoHS FCC AC-UV1

Dual band two way radio walkie talkie with CE RoHS FCC AC-UV1 1.99 channel 2. Dual band , Dual display, Dual standby 3.VOX 4. micro-miniature multiband Functions: LCD Menu Operations 50 CTCSS 104 CDCSS 99 Channels (1 Emergency Channel) Time-out Timer(OFF/30/60/90/120/150/180s) Key Tone FM Radio Built-in(87.0MHz-108.0MHz) VOX(OFF/1-9 Level) Call Tone(1750KHz) Squelch Set(1-9 Level) Electronic Volume Adjusting(8 Level) Keypad Lock Backlight ON/OFF/Key Battery Save Monitor Power Capacity Display (ON) Low Battery Alert Restore to Factory Default PC programming Frequency Range : 136-174 /400-470MHz 99 Memory Channels Dual band , Dual display, Dual standby LCD Menu Operations 50 CTCSS 105 CDCSS Time-out Timer(TOT) Key Tone FM Radio VOX(OFF/1-9 Level) Call Tone(1750KHz) Squelch Set(1-9 Level) Electronic Volume Adjusting(8 Level) Keypad Lock Backlight ON/OFF/Key Battery Save Monitor Power Capacity Display (ON) Low Battery Alert Restore to Factory Default Item number AC-UV1 General Frequency Range 136-174MHz 400-470MHz Channel Capacity 99 Channel Spacing 5/6.25/12.5/25KHz Operated Voltage 3.7V Battery Life 8 hours Frequency Stability 2.5ppm(-20℃-60℃) Operated Temperature ﹣30℃-﹢60℃ Antenna Impedance 50 Ω Dimensions 47*81*23mm Weight 130g Transmitter Output power 1w/4w Modulation Mode 16kΦF3E/ 11kΦF3E Maximum deviation <5kHz/<2.5KHZ Spurious Radiation <7μW Adjacent Ch. power ≥65dB/≥60db Pre-emphasis characteristics 6db Current ≤1.6A(5W) CTCSS/DCS deviation 0.5kHZ+/-0.1kHZ 04kHZ+/-0.1kHZ Intermediation sensitivity 8-12mv Intermediation distortion <5% Receiver RF Sensitivity -122dbm(12db SINAD) Audio power 1W Audio Distortion ≤10% Intermediation ≥60dB ≥55db Selectivity ≥65dB ≥60db Spurious Rejection ≥65db Blocking ≥85 dB