Product Name: Dual Band VHF/UHF Radio Tk-F8 Walkie Talkie Model NO.: TK-F8 Type: Handheld Display: With Display Frequency Range: Dual Band Radio Output Power: 5W Channel Number: 128 LCD: with Keypad: with Talk Range: 8km Max Style: Handheld Usage: Commercial, Home Battery Type: Lithium Battery Trademark: Luiton Transport Package: Gift Box Origin: China Product Description Dual band vhf/uhf radio TK-F8 walkie talkieMain functions:1750Hz, 8group scramblerRemote skill/ stun/ activateRepeater offsetRepeater shift directionLuiton walky talky, Vitai two way radio, puxing transceiver, kyd interphone, HYT portble radioSingle band, dual display, dual standby128 group channels storageWide/Narrow Band (25 / 12.5kHz)Chinese/English voice prompt1750Hz tonePriority transmit selectableLED display modeTransmit over beeperReceive saving functionPower-on displayPower-on messageChannel name display and settingVFO step functionEmergency Alarm8 group scrambler (optional)Remote skill/ stun/ activate (optional)Busy channel lock-out (BCLO)Voice CompanderPC programmableA/B band independent operationFM radio and 25 stations storage0~9 grades VOX selectableCTCSS/DCS and scanningPTT & ANI ID0~9 grades squelch level settingKeypad beeper settingDual watch/monitorAuto keypad lockBattery power voltageRepeater offset functionRepeater shift directionShortcut menu operation modeDTMF encoder & decoder (optional)2/5 tone encoder & decoder (optional)High/Low TX power selectableTransmitter time-out timer(TOT)Tri-color background light selectableWire cloneProduct photos:Item numberTK-F8GeneralFrequencyRange70-108MHz(FM Receive only) 136-174MHz(RX/TX) 400-470MHz(RX/TX)Channel No.128Frequency Stability±2.5ppmAntennaHigh gain antennaAntenna Impedance50ΩOperating VoltageDC 7.2VMode of operationSimple or semi-duplexDimension(W x H x D)100 x 52 x 32 mmWeight250g(including battery, antenna)TransmitterOutput power≥4W(H) ≥0.5W(L)Modulation Mode16kΦF3E / 11kΦF3EMaximum deviation<5kHz(Wide)/<2.5kHz(Narrow)Spurious Radiation<7μWAdjacent Ch. power≤-65dB(Wide)/≤-60dB(Narrow)Pre-emphasis characteristics6dBCurrent≤1.6A(5W)CTCSS/DCS deviation0.5±0.1kHz(Wide)/ 0.3±0.1kHz(Narrow)Intermediation sensitivity8-12mvIntermediation distortion<10%ReceiverRF Sensitivity-122dbm(12db , SINAD)Audio power≥0.5WAudio Distortion≤10%Intermediation≤-65dB(Wide)/≤-60dB(Narrow)Selectivity≤-65dB(Wide)/≤-60dB(Narrow)Spurious Rejection≤-65dBBlocking≥85dBuv/m