The AT-600 has the following great features: • Dual Band Operation—Capable of simultaneous transmit and receive on both 2-meter VHF and 70-cm UHF bands and receives in the ranges 130.0-172.0MHz, 350.0- 399.995MHz, 400.0-470.0MHz, and 900.0-985.0MHz. • Low battery alert -To alert the AT-600's user to recharge the battery pack when battery icon appears on the display. If the user continues to use the battery after some time, the AT-600 will automatically shut down 80 seconds after flashing "Battery Low" appears. • Large backlit dot matrix LCD with illuminated keypad -All operating information for both VHF and UHF bands are clearly displayed, and allows you to turn on the lamp so you can see the display and use the keypad anywhere. •120/200 non-volatile memory channels-Built-in memory allows you to store up to 60/100 channels with frequency in both VHF and UHF bands. When you select "Memory SET 120" in the Set Menu mode, memories can be tagged with a 6-character ID name, which can be displayed instead of the frequency. Under the circumstances, memory capacity is reduced to 110 with 55 memories per band. • Switchable FM and AM reception- Allows you to switch between FM and AM reception on the VHF band so you can clearly hear both amateur and aircraft transmissions. • Power on message display- Allows you to set a 6-character power on message that appears each time you turn on your AT-600. • New Set Menu design- Allows you to access a menu system with full alphanumeric display of functions and settings. You can browse through a summary of current operational status. • Clone function- Both wireless cloning and wire cloning allows you to copy all settings and memory contents from one AT-600 to the other AT-600s. • DTMF message paging and decoding- Allows you to store up to 10-memory, 15-digit DTMF autodialer for autopatch operation and decode DTMF sequences up to 15 digits.