DP4401 EX

• VHF (136-174MHz); UHF1 (403-470MHz)
• 32 channels
• Large, textured push-to-talk button for ease of use
• 3 programmable buttons to improve ease-of-use and increase operator efficiency
• Tri-colour LED for clear visual feedback on radio operating status
• Emergency button to help ensure rapid response to critical incidents
• Quick, easy-to-use Group, Individual and All-call capability
• Digital Phone Patch capability
• Sophisticated Emergency Calls help ensure employee safety
• PTT ID helps improve communications efficiency and system discipline
• Remote Monitor features help ensure employee safety and enable fast assessment of remote user status
• Elegant channel scanning schemes help ensure calls are received first time every time
• Privacy Features
• VOX Capability
• Transmit Interrupt
• Man Down
• Lone Worker
• 5 Tone Signalling
• Integrated GPS
• Over the Air Programming
• Intelligent Audio allowing the radio volume to automatically adjust to compensate for background noise.
• IP67 ingress protection (also certified to the highest ingress protection available under ATEX/IECEx test
• conditions – IP64)
• Direct Mode (including Dual Capacity Direct Mode)
• IP Site Connect (Single and Multi-Site)
• Capacity Plus (Single and Multi-Site)
• Capacity Max via Software Purchase

Potential Self-quieting Frequencies to be avoided:
VHF: 139.200MHz±10KHz, 144.000MHz±10KHz, 148.800MHz±10KHz, 151.000MHz±10KHz,
151.740MHz±10KHz, 153.600MHz±10KHz, 158.400MHz±10KHz, 163.200MHz±10KHz, 168.000MHz±10KHz,
171.900MHz±10KHz, 172.800MHz±10KHz
UHF: 403.200MHz±10KHz, 408.000MHz±10KHz, 412.800MHz±10KHz, 416.000MHz±10KHz,
422.400MHz±10KHz, 432.000MHz±10KHz, 440.000MHz±10KHz, 441.600MHz±10KHz, 449.550MHz±10KHz,
451.200MHz±10KHz, 456.000MHz±10KHz, 460.800MHz±10KHz, 468.000MHz±10KHz
Rating:
Gas: ATEX: Class II 2G Ex ib, IIC T4 Gb, IECEx: Ex ib IIC T4 Gb
Dust: ATEX: Class II 2D Ex ib, IIIC T130°C Db, IECEx: Ex ib IIIC, T130°C Db
Mining: ATEX: Class I M2 Ex, ib I Mb, IECEx: Ex ib I Mb