Retevis RT23 Walkie Talkie Cross-Band Repeater UHF+VHF 136-174+400-480Mhz Dual PTT Dual Receive 1750Hz Ham Radio A9122A

Features Dual Band Dual Display Dual Standby Handheld Radio128 Memory Channel360 Degree Channel KnobCross Band Repeater Function VHF to UHF or UHF to VHF Frequency offset and direction programmable in repeater modeDual PTT Side key can setup Sub Ch transmit Dual Receiving RX on the same different bands of AB areas simultaneously VFO MR CH Mode1600mAhBattery SaveStrong and Stable Output Power High 5W 4W Low 1W CTCSS DCSScan 3 kinds of scan Time Carrier Search VO XTOTSQLPTT IDFMMulti Definition for SidekeysDTMF EncodingDecodingAll Group Slective CallsReverse FrequencyRemote AlarmRemote Stun Kill ActiveWide Narrow Bandwidth Slection 25KHz 12 5KHz Voice Guide Chinese EnglishChinese English Screen DisplaySingle Tone Pulse Frequency 2100Hz 1750Hz 1450Hz 1000Hz Signalling for activating repeater Specification Frequency rangeVHF 136 174MhzUHF 400 480MhzFrequency Sensitivity 2 5ppmRated Voltage7 4V DC 20 Memory Channel128 ChannelsAntenna AllocationPupinization AntennaAntenna Impedance50Dimension100 60 36mm 3 94 2 36 1 42in Excluding the antenna Frequency Step2 50K 5 00K 6 25K 10 00K 12 50K 20 00K 25 00K 50 00KTransmitterModulation Mode16K0F3E 11K0F3EMaximum Frequency Deviation 5kHz 2 5kHzSpurious Power 7 5uWPreemphasis Character6dB Every times the frequency will increaseCurrent 1 6AWide Narrow0 75kHz 0 1kHz 0 4kHz 0 1kHzModulation Sensitivity8 12mVAudio Distortion 5 ReceiverSensitivity 0 2uV 0 25uVAudio Output Power 500mW 10 Audio Distortion 5 Obstruct 85dBIntermoПроизводитель: Retevis