Ailunce HS4 10 Meter 28.000MHz-29.700MHz Ham Radio. 6 modes switch; 10 meter ham radio supports. Effectively protect 10 meter ham radio from damage when the SWR is too high; extending the use time of ham radio base station. Mobile transceiver can watch and receive on two frequencies alternatively and automatically; operators won’t miss important calls. Amateur radio has an LCD display for showing complete frequencies and function operations; and has an LED display for showing channel numbers; in both daytime and nighttime; mobile ham radio information is clear and intuitive to see. 10 meter ham radio features noise reduction function and squelch function; when the transmitter is in a noisy environment; operators receive clearly. Long range mobile radio. High power offers a long range communication; shortwave design breaks the communication limitation; 10 meter radio communicates stably and smoothly. Strong Compatibility Except for the equipped dynamic microphone, amateur radio is compatible with a condenser microphone (not included). Dynamic microphone provides good sound quality. Operators choose based on the specific needs. When the voltage of the ham radio base station is over a certain level, the amateur mobile transceiver will cut off automatically to protect 10 meter radio from damage. Two-kind Backlight The keys will display a green color in the dim light. Work with backlight adjustment, 10 meter radio is easy and convenient to operate. Activate the RB function, the mobile ham radio sends a tone at the end of the transmission from the operator, increasing the convenience of use. Large LCD panel which displays frequency and all kinds of information. DUAL-DIGITAL TUBE FOR CHANNEL DISPLAY. USE EL technology for backlight. A? B? C? D? E? F, 6 banks in total, where 60 channels at least can be individually programmed. Frequency Tuning Step can be 10HZ, 100HZ, 1KHZ or 10KHZ. Multiple CLARIFIER Operating Modes. Flexible menu functions and PC programming software to meet varied customer demands. SWR? S/RF? DC Voltage display function. POWER SUPPLIED VOLTAGE PROT. RX compander: noise blanker. Noise gate setting: mic noise adjustable. Compatible with “electronic” and “dynamic” MIC type.