This product is no longer manufactured or sold as new. It may still work as long as the network technology is compatible.

Recommended alternative:
CEL-FI CONNECT C41 (available in APAC, EMEA, and Oceania)

CEL-FI DUO / DUO+

Indoor Smart Signal Booster for 3G/4G/LTE networks around the world.

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Available globally (EXCEPT: Europe/UK/Ireland)

Up to 100 dB max gain

Coverage & Capacity for Up to 15,000 ft2 (1,500 m2) per system

Wireless Solution No External Antennas or Wiring

The CEL-FI DUO and CEL-FI DUO+ are designed to dramatically improve HD voice and data coverage in up to two bands for 3G/4G/LTE for consumers while significantly improving network. Good things do come in small packages: With 3G/4G/LTE support, DUO/DUO+ are compatible with the highest data services application available. All new patented echo cancellation algorithms enable the DUO to offer even higher signal levels throughout the coverage area than before.

5 Min Setup: Plug & Play
Best Signal by 1000x
Coverage and Capacity up to 15,000 ft² (1,500 m² ) per System (Scalable)
Wireless Solution (External Antenna Available in Some Regions)
Remote Monitoring and Management via WAVE Platform

Solving Cellular Service Problems

CEL-FI DUO/DUO+ improves 3G/4G/LTE cellular service by eliminating dead zones and dropped calls. With up to 100dB of gain, it will improve cellular service and reduce your cell phone’s power requirements to extend its battery life. The DUO/DUO+ solution covers up to 15,000 ft2 (1,500 m2) of indoor space per system. It is fully self contained and self-configuring, requiring no external antennas or wiring. Simply plug it in to boost indoor cellular coverage.

Maximize Coverage

Move Coverage Unit further away from the Network Unit to maximize coverage. The total coverage area equals twice the distance between the Network Unit and the Coverage Unit. The maximum distance is up to 100 dB path loss.

Available Globally

CEL-FI DUO/DUO+ are available in multiple configurations for use in The Americas, Europe, Middle East, Africa, and Asian Pacific regions.

Get setup in 4 easy steps

1. Find the best cellular signal

Use your phone to find the best cellular signal. Typically you will get the best signal near a window.

2. Place the Network Unit

Place the Network Unit (NU) in the location where you get the best cellular signal.

3. Place the Coverage Unit

Place the Coverage Unit (CU) in the location where you need improved coverage.

4. Use app to optimize setup

Using the CEL-FI WAVE App, finish setup and activation.

Sample Layouts

One Level

Two Level

Antenna Options

CEL-FI Wideband Directional Antenna

The CEL-FI Wideband Directional Antenna is an outdoor vertically polarized highly directional antenna for Cellular Boosters; with 10 dB gain in the low bands and 11 dB gain in the high bands. The weather resistant housing is built with UV stabilized ABS plastic casing. Optimized for CEL-FI products, the CEL-FI Wideband Directional Antenna can be used with the CEL-FI WAVE Antenna positioning app. The unit includes standard brackets for mounting, and can also be used with the CEL-FI Pole Mount.

Wideband Directional Antenna Brief

CEL-FI Wideband Panel Antenna

The CEL-FI Wideband Panel Antenna is an indoor/outdoor cellular wideband directional antenna with 6 dB gain in the low bands and 10 dB gain in the high bands. The weather resistant housing is built with UV stabilized ABS plastic. Optimized for CEL-FI products, the CEL-FI Wideband Panel Antenna can be used with the CEL-FI WAVE Antenna positioning app. The unit includes standard brackets for wall mounting or can be used with any CEL-FI Mount.

Wideband Panel Antenna Brief

Tech Specs

DUO

Configurations (All systems are reconfigured to specific carriers)

Band 1
Bands 1/3
Bands 2/4
Bands 2/7

Certifications

CE, FCC, RoHS, IC, EAC, R&TTE, EN, SRRC

Power Consumption

Full uplink: 30 Watts
Idle: <20 Watts

Electrical & Environmental Requirements

12 VDC
0 to 40 Celsius

Physical Specification

Network Unit:
• 158.5 x 146 x 59mm (560g)
Coverage Unit:
• 158.5 x 146 x 59mm (390g)

Model Numbers

D32-1/0
D32-1/3
D32-2/4
D32-2/7

D32-1/0_EXA
D32-1/3_EXA
D32-2/7_EXA

DUO+

Bands 2/4/13
Bands 2/4/12
Bands 2/4

FCC, IC

Less than 15 Watts per unit

12 VDC
0 to 40 Celsius

Network Unit:
• 158.5 x 146 x 59mm (560g)
Coverage Unit:
• 158.5 x 146 x 59mm (390g)

D32-2/4/12
D32-2/4/13 (LTE only)

Downloads

Brief

DUO Brief

DUO+ Brief

Quick Start Guide

DUO Quick Start Guide

DUO+ Quick Start Guide

Data Sheet

DUO Data Sheet

DUO+ Data Sheet

Verizon (LTE Only)

DUO+ Quick Start Guide for Verizon

DUO+ Data Sheet for Verizon

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