1.Product Information TK-600/700A (portable transceiver,two way radio,FM Transceiver) Model TK-600ATK-700AFrequency Range VHF UHF 136-174MHz 400-430MHz 430-480MHz Channel 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) 92(H)x53(W)X30(D) mm Weight (with Battery) 250g Standard Package Radio with Standard Accessories Compatible With American Military Standard(MIL-STD-810C/D/E) Features: VOX 107 DCS 50 CTCSS Priority Scan Channel Scan Hi/Low Power Time-out Timer Multiple Call Tones Low Battery Alert PC Programmable Li-ion Battery Pack Busy Channel Lockout Selectable Squelch Level CO/TO/SE Scan Switchable Programmable 25kHz(Wide)/12.5kHz(Narrow) Channel Spacing Transmitter(Measurements made per TIA/EIA-603) RF Power Output 4/5W Modulation Type F3E Maximum Deviation ≤±5.0KHz(Wide)/≤±2.5KHz(Narrow) Spurious Emission ≤65dB Below Carrier Modulation Distortion ≤5%(300-3000Hz) FM Noise ≤-45dB(Wide)/≤-40dB (Narrow) Receiver(Measurements made per TIA/EIA-603) Circuit Type Double-conversion Superheterodyne IFs 38.850MHz & 450KHz Sensitivity(12dB SINAD) 0.2uV(Wide)/0.25uV (Narrow) Squelch Selectivity 0.15 uV(Wide)/0.2uV (Narrow) Adjacent Channel Selectivity ≥65dB(Wide)/≥60dB (Narrow) Intermodulation ≥65dB Spurious Rejection ≥60dB Image Rejection ≥65dB FM Ham And Noise ≤-45dB(Wide)/ ≤40dB (Narrow) Modulation Type 16KOF3E/11KOF3E Operating Bandwidth ≤±7KHz≤±5KHz AF Output @ 4 Ohms 0.5W Audio Distortion ≤5% 2.Details Pics 3.Certificates