🔧 Key Features – Eartec EVXDM
Full-Duplex Wireless Communication
Enables hands-free, two-way talking and listening for seamless team coordination.

Master Headset Functionality
Serves as the system’s hub, managing communication for up to eight remote headsets—no base station required.

Dual-Ear Design
Over-ear, circumaural headset with two earcups for better sound isolation in noisy environments.

Self-Contained with Built-In Transceiver
No need for belt packs or external devices—everything is integrated.

270° Swivel Boom Mic
Adjustable mic arm mutes automatically when raised and works on either side.

Volume Control on Earcup
Five-level volume adjustment built into the headset for user convenience.

Long-Range Connectivity
Up to 1148 feet (350 meters) of wireless communication range (line of sight).

Expandable System
Connects up to 9 users per system (1 master + 8 remotes); link multiple systems for larger teams.

Rechargeable Lithium Battery
Up to 8 hours of use per charge; battery is field-replaceable for continuous operation.

License-Free Operation
Operates on the 2.4 GHz frequency band—no FCC license required.

📡 Wireless Technology
Frequency Band: 2.4 GHz (2407–2475 MHz)

Modulation Type: GFSK

Duplex Mode: Time-Division Duplex (TDD)

RF Channel Access Method: Time-Division Multiple Access (TDMA)

Speech Encoding: ADPCM / 16 kb/s

Transmission Speed: 1 Mb/s

Bandwidth: 150 kHz

Channel Spacing: 1 MHz

Encryption: None​

📶 System Capacity & Range
Maximum Users: Up to 9 headsets per system (1 master + 8 remotes)

Operating Range: Up to 1148 feet / 350 meters (line of sight)

Base Station Requirement: Not required; operates via master headset​

🎧 Headset Design
Earpiece Design: Over-Ear (Circumaural)

Wearing Style: Headband

Number of Earpieces: Dual (left and right sides)

Sound Field: Mono

Microphone Boom: 270° swivel; auto-mutes when raised

Controls: Five-level volume control on earcup​

🔋 Power & Battery
Battery Type: Built-in rechargeable Lithium-Ion Polymer (LiPo)

Runtime: Up to 8 hours per charge

Field Replaceable: Yes​

🌡️ Environmental Specifications
Operating Temperature: 32°F to 122°F (0°C to 50°C)

Operating Humidity: 30% to 90%