Motorola
SL 7550: High - 3 W; low - 1 W
SL 7580 and SL7590: High - 2 W; low - 1 W
Yes
13.5 hours
Lithium Ion
Yes
SL 7550: UHF 1 Band (403-470 MHz); UHF 2 Band (450-512 MHz)
SL 7580: 800 Band (806-825 MHz, 851-870 MHz)
SL7590: 900 Band (896-902 MHz, 935-941 MHz)