1.128 Channel Capacity 2.VHF /UHF Frequency Ranges: VHF (136–174MHz) UHF (403–470MHz) Features Include:  128 Channel Capacity   1–25W and 25–45W Models  1 Line 14–Character Display  Menu Navigation Keypad  PL, MDC1200, DTMF and Quick Call II Signaling  Progrmmable Channel Spacing (12.5/25 kHz)  Voice Operated Transmit (Vox)  Adjustable Power Levels  Option Board Expandability