• 136–174, 350–400, 400–470, 450–512, 450–520 MHz versions
• 128 Channels / 8 Zones (for LCD types)
• 16 Channels (for non-display types)
• Icom’s customized speaker offers a louder 1500 mW audio output
• An engineered casing that amplifies and improves acoustic sound clarity
• Compact (52.2 (W) × 111.8 (H) mm; 2.1 × 4.4 in) and lightweight
• IP67/55/54 waterproof and dust-tight protection
• Tested to 12 categories of MIL-STD-810-G environmental tests
• AquaQuake™ – Expels water ingress from the speaker grill
• DTMF autodial memories
• 16-position rotary selector and ON/OFF volume knob
• Programmable keys – Increase the number of programmable key assignments by using the “Shift key”
• Operating times of up to 18 hours (with the supplied BP-280 battery pack)
• Eight character alphanumeric display (for LCD types)
• Three color LED

• NXDN or dPMR Mode 1/Mode 2 conventional
• NXDN or dPMR multi-site conventional over IP network
• NXDN Type-D single-site trunking
• Analog mode
• Analog/digital mixed operation (conventional mode)

(* Available protocol differs depending on the version)

• AMBE+2™ vocoder
• Over-the-Air Alias (OAA) displays the caller’s name without programming (for LCD types)
• Individual, Group and All call
• Late entry for Group call
• Status call and Polling
• Short data messages (for LCD types)
• Call alert (NXDN)
• Radio check (RX only) (NXDN)
• GPS position capabilities (requires HM-171GPW)
• Up to 500 ID numbers for IDAS or MDC 1200 signaling system can be saved in the Call List to show the alias name

• CTCSS and DTCS tone
• 2-Tone and 5-Tone
• MDC functions*; PTT ID, Emergency (TX/RX), Radio check (RX), Stun (RX), Revive (RX)
• BIIS PTT ID transmission

* Depending on the version

• Digital voice scrambler* (Low level encryption)
  * Voice Scrambler function is not available depending on the transceiver version.
• Radio Stun/Revive/Kill (RX only)
• Remote monitor (NXDN)/ambience listening (dPMR)
• Man down, Lone worker and Emergency call key capability
• Motion and Stationary detection function
• Surveillance function temporarily turns OFF the beep and LED indicator
• Power ON password (for LCD types)

• Priority scan monitors one or two priority channels while scanning non-priority channels
• Voting scan automatically selects the optimal repeater site
• Mode dependent scan automatically changes the scan list, depending on the operating channel
• Power ON scan function
• Talk Back timer

• Channel announcement function
• VOX function for hands-free operation
• Siren sound for security alarm