NX-740HV/840HU Selectable Digital & FM analog operation 7 segments / 2 digits LED Channel Number Voice Announcement NXDN Conventional NXDN Type-D Digital Trunking IP54 and MIL-STD-810 C/D/E/F/G Enquiry Now Resources Brochures NX-740HV/840HU Accessories NX-740HV/840HU