- VHF: 144-146 MHz / UHF: 430-440 MHz
- Adjustable output power (Hi: 5W / Low: 1W)
- CTCSS, DCS, DTMF, ANI
- 128 memory slots
- FM radio (88-108MHz)
- Large color display with backlight
- Li-Ion 1500mAh battery
- 50 CTCSS and 208 DCS codes
- Steps: 2.5/5/6.25/10/12.5/25KHz
- Kenwood audio connector (2pin)
- SMA socket antenna connector

- Selectable operating modes: UHF/VHF, UHF/UHF, VHF/VHF
- SOS emergency function
- Large color display with backlight
- FM radio (88-108MHz)
- VOX, Scan, Dual Watch functions
- Channel spacing: 25KHz/12.5KHz
- TOT (Time out timer)
- DTMF function
- Reverse function
- Alarm function
- CTCSS and DCS code search
- Naming and storage of channels
- PTT ID
- Frequency shift (adjustable): 0-38.000MHz
- Squelch with 9 adjustable levels
- Sound feedback
- Key lock
- Energy-saving operation
- Weight: 203g
- Dimensions: 100x58x33mm

Package contents:

- CT590S transceiver with belt clip
- Li-Ion battery 1500mAh 7.4V
- Desktop fast charger
- AC adapter
- Antenna