The UPMX4GD3 UltraPAK 3-Person HUB Intercom System from Eartec includes one HUB Mini Base Station, two UltraPAK Remote Beltpacks, two Max4G Double Headsets, three rechargeable batteries, an 8-port battery charger, and a medium soft-side case. It is designed to accommodate two-person crews who need to communicate wirelessly while simultaneously working with their hands.

Standard: DECT 6.0
Frequency: 1920 to 1930 MHz
Connector: 2.5 / 3.5 mm plug-in
Channel Bandwidth : 1.728 GHz
Modulation Type: GFSK
Transmission Speed : 1.152 Mbps (baud rate)
Duplex Mode : Time Division Duplex (TDD)

Encoding :
Speech Encoding
ADPCM / 32 bit/s

RF Accessing: Time Division Multiple Access (TDMA)
Range: 0.25 mile / 400 m in open space
Power Supply:
Headset Power Supply: Rechargeable lithium 3.7 V / 800 mAh, 3.0 Wh
Charger Power Supply: AC / Adapter: Input 100 to 240 VAC
Charge Time : 3 hours
Operation Time: 4 hours
Storage Temperature : 14 to 140°F / -10 to 60°C
Dimensions : 5.50 x 1.50 x 3.75" / 13.97 x 3.81 x 9.53 cm
Weight : 4.0 oz / 113.4 g

Packaging Info
Package Weight: 1.6 lb
Box Dimensions (LxWxH): 6 x 4.3 x 2.3"

Headphone
Earpiece Design: Over-Ear (Circumaural)
Earpiece Connection / Wearing Style: Wired
Number of Earpieces : Dual Earpiece
Sound Field : Mono

Microphone
Type : Electret Condenser

Wired Connectivity
Audio Connector to Source:
1 x 1/8" / 3.5 mm
1 x 2.5 mm

Cable Length: 3' / 91.4 cm

Physical
Weight : 6 oz / 170.1 g

Packaging Info
Package Weight: 0.55 lb
Box Dimensions (LxWxH): 7.2 x 7.1 x 1.7"

Packaging Info
Package Weight: 0.665 lb
Box Dimensions (LxWxH) : 10.85 x 5.75 x 2.1"