1.Product Information NC-500/600(2 way radio,walkie talkie,handheld transceiver) Model NC-500NC-600AFrequency Range VHF UHF136-174MHz 400-430MHz 430-480MHz Channel Capacity 16 PLL Channel Spacing 12.5/25KHz Battery Voltage 7.4V DC (Li-ion Battery Pack) Antenna Impedance 50Ω Operating Temperature -20+60 Frequency Stability ±2.5PPM Dimensions (with Battery) 110(H)x55(W)X34(D) mm Weight (with Battery) 250g Standard Package Radio with Standard Accessories Compatible With American Military Standard(MIL-STD-810C/D/E) Features: 107 DCS 50 CTCSS Wired Clone Priority Scan Channel Scan Hi/Low Power Li-ion Battery Pack Voice Annunciation Time-out Timer Low Battery Alert PC Programmable Busy Channel Lockout Selectable Squelch Level CO/TO/SE Scan Switchable Transmitter(Measurements made per TIA/EIA-603) RF Power Output 4/5W Modulation Type F3E Maximum Deviation ≤±5.0KHz Spurious Emission ≤65dB Below Carrier Modulation Distortion ≤5%(300-3000Hz) FM Noise ≤-45dB Receiver(Measurements made per TIA/EIA-603) Circuit Type Double-conversion Superheterodyne IFs 38.850MHz & 450KHz Sensitivity(12dB SINAD) 0.2uV Squelch Selectivity 0.15 u Adjacent Channel Selectivity ≥65dB Intermodulation ≥65dB Spurious Rejection ≥60dB Image Rejection ≥65dB FM Ham And Noise ≤-45dB Modulation Type 16KOF3E Operating Bandwidth ≤±7KHz AF Output @ 4 Ohms 0.5W Audio Distortion ≤5% 2.Details Pics 3.Certificates