All our signal boosters are shipped by express delivery services like DHL and FedEx that ensure a quick arrival (3-7 business days) of your order directly to your doorstep.
Your satisfaction is the highest priority for us! If something goes wrong, you can return a booster set or exchange it within 30 days from the delivery date.
We do our best to provide the possibility to buy boosters at the most attractive and pleasant prices. If you find our devices at a lower price, we will match it.
The Cel-Fi DUO/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, Cel-Fi DUO/DUO+ are compatible with the highest data services application available. All new patented echo cancellation algorithms enable Cel-Fi DUO/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
Cel-Fi DUO/DUO+ improve 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 Cel-Fi DUO/DUO+ cover up to 15,000 square feet (1,500 square meters) of indoor space per system. It’s fully self contained and self-configuring, requiring no external antennas or wiring required. Simply plug it in to boost indoor cellular coverage.
Safety & Certification
Every Nikrans signal booster is 100% safe for the users, domestic animals, gadgets and the environment. That is proven by the international safety certifications CE and RoHS. Read more about certification of Nikrans equipment here.
Cel-Fi DUO Specification
Coverage
16200 ft²
Up-link freq1850-1910 MHz, 2500-2570MHz
Down-link freq1930-1960 MHz, 2620-2690MHz
Up-link Gain50 dB
Down-link Gain60 dB
Power Output10 dBm
Working t °C0/+40 В°C
Humidity5 - 95%
IP-Code
Size (mm)158.5 x 146 x 59mm
Booster Weight2 kg
Power supply12 VDC
Model Year2023
Download User Guide Download Data Sheet
Cel-Fi DUO FAQ
Can I use a 3G cell phone repeater for improving mobile communication?
How long will the shipping take?
How to check signal level of my network in dB?
How do I know that my 3G repeater works?
How many mobile and 3G connections can support a cell phone repeater at the same time?
How do I know what cell phone repeater suits for my country and mobile operator?
120 High Road, East Finchley N2 9ED, London United KingdomThe addresses above are for business correspondence only. No packages will be accepted! In case you need to return a merchandise, contact our support team for Return Of Merchandise instructions.