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Mobile Repeater Kit

Boost cellular reception
Mobile Repeater Kit


The Mobile Repeater Kit – MRK™ by 4K Solutions® are smartly integrated battery powered portable cellular booster solutions designed for rapid deployment into emergency situations where improved cellular reception is required.

We custom integrate the MRK™ with the Cel-Fi , by Nextivity’s cellular booster product line to support one to three cellular carriers.

US & Global Carriers
Including FirstNet™
4-8 hrs run time
RPC LiFePO4 Power
Wide Coverage
Up to 15,000 ft2 (1,500 m2)
Signal Booster
70 to 100 dB systems gain

The Problem

The challenges of poor cellular coverage; such as remote areas, during manhunts, search and rescue operations, hurricane impact areas, conference centers, medical pop-up locations, wildfire base camps and forward areas as well as parking garages, concrete and metal structures.

The MRK’s can support commercial and the First Network Authority’s (FirstNet™) Band 14 cellular networks. With the Cel-Fi GO RED boosters.

FirstNet™ portable solution

4K’s Mobile Repeater Kits (MRK™) can be a standard tool for Public Safety Equipment, as not all areas have good cellular. Cel-Fi GO RED can be delivered as the core of a FirstNet™ portable communication solution.

  • US and Global Carriers supported
  • Including AT&T, T-Mobile, Verizon and FirstNet™
  • 4G / LTE Voice and Data
  • Up to 15,000 ft2 (1,500 m2) of Coverage
  • 70 to 100 dB systems gain
  • Perfect for remote and rugged environments
  • Indoor Outdoor NEMA 4 Rated

Two MRK™ variations

Pick the Mobile Repeater Kit that’s right for your situation:
  • Single Cel-Fi Booster
  • 1 – 3 Cel-Fi Boosters configuration
FirstNet™ Band-14 networks require the Cel-Fi GO RED booster.

*4K Solutions Terms and Conditions apply for all warranty support.

Technical Information

Battery Technology
Run Time
The battery is a 12.8 volt 8 AH (100 Watt hour) LiFePO4 bank.
4 - 8 hours (estimated)
The internal three stage charge controller will accept 14-18 vdc and up to a 60 watt solar panel. The included wall charger will charge the system in approximately 90 minutes. The internal Battery Protection Circuit prevents over- charge, over-discharge, and short circuits. The volt meter continuously displays the system voltage, and reacts to confirm solar or AC charging. The USB driver is independent, switched, and is 3 amps.
Antenna Accessort Kit available which includes: Indoor/Outdoor Wideband Directional Yagi, Outdoor Donor Antenna, Antenna Ceiling/Wall Mount, Antenna Pole Mount.

Download Datasheet