2-Way Wireless Push-to-Talk Intercom Radio – 2 Mile Range

2-Way Wireless 2-Mile Range Push-to-Talk Intercom Speaker System with Talk Back (Set of 2 Units)

The ZDL-8021 2-Way Wireless Push-to-Talk Intercom Radio – 2 Mile Range is a professional-grade, long-range push-to-talk (PTT) wireless intercom speaker system designed for efficient two-way voice communication across large indoor or outdoor spaces. Equipped with high-powered audio output, multi-device compatibility, and group communication support, making the system ideal for businesses, warehouses, construction sites, schools, and event coordination.

Ideal for Construction & Job Sites, Retail Stores & Warehouses, Hospital & Medical Facility Coordination, Schools & Campuses, Hotel & Event Management, Factory Floor Communication and Emergency Response Teams.

This intercom solution offers exceptional wireless audio performance and system expandability to meet the needs of demanding, multi-zone communication environments. Whether used for safety, coordination, or daily operations, the system ensures reliable and scalable voice communication across large areas.

Key Features

• • 2-Mile Wireless Transmitting Range: Reliable and clear communication within a 2-mile (3.2 km) radius in open line-of-sight environments, making it perfect for large facilities or outdoor operations.
  • True 2-Way Talk Back Communication: Each intercom unit includes a 70-watt output speaker with an integrated auxiliary microphone, enabling clear, hands-free communication from both sides. Full duplex-style performance simulates natural conversation.
  • Wireless Power Flexibility: Operates on AC 100V–240V with 12VDC power input, allowing wide voltage compatibility for various regions and environments.
  • 16 Pre-Stored Communication Channels: Easily switch between channels to reduce interference and assign private or group communication lines. Useful for departments or teams working in the same area.
  • Group Communication and Scalability: Supports up to 99 extensions per group with unlimited group extension support, ideal for growing teams or multi-zone operations. Perfect for school campuses, distribution centers, or emergency communication networks.
  • ZDL-Series Intercom Compatibility:
    • Fully supports ZDL-800 Wireless Push-to-Talk Intercom for fixed or desktop locations.
    • Compatible with ZDL-804 Wireless Neckband Intercom featuring built-in Bluetooth and lightweight comfort for mobile use.
    • Works seamlessly with ZDL-804 Group Communication Walkie Talkie Intercoms, enabling team-wide broadcast or selective calls.
  • VOX (Voice Operated Exchange) Support: Enables hands-free operation by detecting voice activation to trigger the microphone automatically, enhancing safety and efficiency in busy or high-mobility environments.
  • Lightweight & Portable Design: The wireless speaker units are engineered for both portability and durability. The compact, lightweight body ensures easy transport, mounting, or desktop placement without sacrificing performance.

Device Specification

• • Communication Type: Audio [Push-To-Talk, Voice Activated [VOX] Hands-Free]
  • Power Supply: 110 ~ 240 VDC 12V 1000mA
  • Power Consumption: 500mA
  • Speaker Output: Master: 70W
  • Microphone Sensitivity: 36-38db
  • Compatibilty: Support ZDL-800 [Desktop Ext], ZDL-803 Head/Neck Band, ZDL-804 [Radio].
  • Ambient Temperature: -22°F ~ 122°F
  • Size: [H] 11.0″ X [W] 7.5″ X [T] 3.5″

What’s included In The Package

• • 2-ZDL-802 Device
  • 2-Omni-Directional High-Gain Antenna
  • 2-Auxiliary External Microphone
  • 2-AC100 ~ 240V 12VDC 1000mA Power Supply
  • 2-User Operating Instructions

Manufacturer Warranty

• • 1-Year Equipment Replacement