TK-780/790 Interphone

1. Product Information TK-780/790 (two way radio,interphone,walkie talkie) Model TK-780TK-790Frequency Range VHF UHF136-174MHz 400-440MHz 440-480MHz Channel Capacity 199 PLL Channel Spacing 5/6.25/10/12.5/25KHz 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)X 30(D) mm Weight (with Battery) 200g Standard Package Radio with Standard Accessories Compatible With American Military Standard(MIL-STD-810C/D/E) Features: Menu Mode VOX Keypad 107 DCS 50 CTCSS LCD Display Priority Scan Channel Naming Li-ion Battery Pack Busy Channel Lockout Multiple Call Tones+1750Hz Hi/Low Power Time-out Timer Low Battery Alert PC Programmable Frequency/Channel Scan Battery Strength Indicator Selectable Squelch Level CO/TO/SE Scan Switchable Programmable Greeting Message Selectable Name/Frequency Display Mode 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 uV 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