Big LCD displays frequency and all kinds of information. Frequency Tuning Step 100Hz? ±1.5KHz CLARLFILER Adjustment. RF PWR Adjustment, SCAN Function, Programmable RB Function, NB/ANL Function, DW DUAL-WATCH Function, Offset Frequency Function. BEEP Voice Prompt, +10KHZ Function, SIG? SWR Function, TOT function, HI-CUT Function, EMG Channel Function, SWR Protection. Power Supply Voltage Protection. Six(6) Groups Memory Channel. Model Name Customized Function. CTCSS/DCS Code, VOX funtion, TX and RX Reduction. Compatible with electronic and dynamic MIC type. This is upgraded AT-5555N II 10 meter mobile radio, through Programming jack on the back side of the radio could be programmed the frequency by PC. 28.000-29.700MHz(Programmable). 40channels(programmable)in each band. With push-to-talk /UP/DN and coiled cord. 250(W) x280(L) x 60(H). SSB: 3rd order, more than -25dB; 5th order, more than -35dB. SSB: 0.25µV for 10dB(S+N)/N at greater than. 1/2-watt of audio output. Greater than 1/2watt of audio output. FM: 1.0µV for 20 dB (S+N)/N at greater than 1/2. Watt of audio output. 45dB adjustable for optimum signal reception. Automatic Gain Control(AGC). Inputs from 10 to 100,000. Adjustable; threshold less than 1.0µV. 3 watts into 8 ohms. External Speaker(Not Supplied). 8 ohms; disables internal speaker when.