🔧 Key Features of the Eartec HUB871
Full-Duplex Communication: Allows up to 8 users to communicate simultaneously without push-to-talk buttons.​

HUB Mini Base Station: A lightweight, portable base that can be belt-worn or placed on a surface, supporting up to 8 wireless headsets.​

UltraLITE Headsets: Includes 7 single-ear and 1 dual-ear self-contained wireless headsets with built-in transceivers, eliminating the need for belt packs.​

Expandable System: Supports up to 9 users with an additional wired headset; link two HUBs to accommodate up to 16 users.​

Operating Range: Provides a wireless range of up to 300 yards (line of sight, terrain dependent).​

Dual Operating Channels: Built-in circuitry allows for two separate groups of four users to communicate privately; pressing the CH button creates an eight-person conference.​

Power Options: Dual power capability with a rechargeable Lithium Polymer battery and AC wall plug (both included).​

Multi-Port Charger: Includes an 8-port charger for simultaneous charging of all batteries.​

Durable Carry Case: Comes with a water-resistant soft-side case with padded compartments for safe storage and transport.​

No FCC License Required: Operates in the DECT 6.0 frequency band (1920–1930 MHz), eliminating the need for FCC licensing.

📦 System Components
HUB Mini Base Station: A portable, belt-worn or stationary base that supports up to 8 wireless headsets.

7 UltraLITE Single-Ear Headsets: Self-contained wireless headsets with built-in transceivers.

1 UltraLITE Dual-Ear Headset: Self-contained wireless headset with built-in transceiver.

9 Rechargeable Lithium Batteries: One for each headset and an extra.

8-Port Multi-Charger: Allows simultaneous charging of all batteries.

Soft-Side Carry Case: Water-resistant with padded compartments for safe storage and transport.​

📡 Communication & Range
Full Duplex Operation: Enables simultaneous two-way communication.

Operating Range: Up to 300 yards (line of sight, terrain dependent).

Frequency Band: DECT 6.0 (1920–1930 MHz, USA).

Channels: Two separate channels with a conference mode to link all users.

Expandable: Supports up to 9 users with an additional wired headset; link two HUBs for up to 16 users.​

🔋 Power & Battery
Headset Battery: Rechargeable Lithium 3.7 V / 800 mAh / 3.0 Wh.

Operating Time: Approximately 3 hours per charge.

Charge Time: Around 3 hours.

Dual Power Options for HUB: Rechargeable battery or AC wall plug (both included).​

🎧 Headset Features
Design: Single-ear and dual-ear, self-contained with no external wires or belt packs.

Microphone Boom: 270° swivel; auto-mutes when in the up position.

Comfort: Deluxe padding suitable for extended use.​

📐 Physical Specifications
HUB Dimensions: 5.5” W x 1.5” D x 3.75” H.

HUB Weight: 4 oz.

System Weight: Approximately 5 lbs.​


✅ Additional Information
Modulation Type: GFSK.

Transmission Speed: 1.152 Mbps (Baud Rate).

Duplexing: Time Division Duplex (TDD).

Speech Encoding: ADPCM / 32bit/s.

RF Accessing: Time Division Multiple Access (TDMA).

Operating Temperature: 0°C to 40°C.

Storage Temperature: -10°C to 50°C.

Regulatory: No FCC license required.