Description: Specifications ModelMA1GeneralChannel capacity 999Channel spacing 5 6 25 8 33 10 12 5 15 20 25 30 50 100KHzModulation type F3EAntenna impedance 50ΩFrequency stability ±5ppm 10℃ 60℃ Working voltage DC 13 8V ±15 Receiving current 0 5A Transmission current 9A power 50W 40W Working temperature 20℃ 60℃Dimension 140 43 215mmWeight 1100gPCB type Double conversion Super heterodyneMedium Frequency 38 85MHZ 450KHz Left band ReceiverReceive Frequency Range VHF 108 174Mhz UHF 400 480Mhz ReceiveTransmit 144 146MHz 430 440 MHzAviation frequency AM 108 136Mhz FM Radio 64 108Mhz49 95MHz 450KHz Right band Sensitivity 0 8uV for 12dB SN 108MHz 134MHz AM Left band 0 2uV for 12dB SN 136MHz 174MHz FM 0 25uV for 12dB SN 168MHz 180MHz FM 0 2uV for 12dB SN 400MHz 480MHz FM 0 25uV for 12dB SN 480MHz 520MHz FM Squelch sensitivity 0 16uVSelectivity 2KHz 30KHz 6dB 60dB Audio output 8Ω 2WAudio distortion 5 AF output impedance 4 16ΩRF Power Amplifier RF Power MosfetOutput power VHF 50W 20W 5W UHF 40W 20W 5WTransmitterTransmit Frequency VHF 144 146Mhz UHF 430 440MhzModulation type Variable ReactanceModulation type Variable ReactanceMax modulation deviation ≤5KHz 2 5KHzSpurious emission ≧ 60dB 144MHz 440MHz Microphone impedance 2KΩFeatures 1 Main Band A Sub Band B independent operation2 V VU UU V Dual Receiver two independent receivers 3 Detachable Front Panel for Flexible Installation Direction4 RF Powe