Maximum Signal Sphere Cellular Extender


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Jim G Says: Thanks for the OUTSTANDING customer support. This is the third time I have received a rapid response to an inquiry. It is refreshing to deal with a company which is really customer oriented. Keep up the good work.

This changes everything !   Finally a booster system that will manage multiple connections with incredible gain,   low current draw and virtually no heat generation! 


Do you need to improve cellular reception in your Home/Office? The Maximum Signal Sphere is the perfect solution!

  • Universal - Works with all Wireless Carriers (excluding Nextel)
  • Quick and Simple Installation
  • Worry Free
  • The Most Powerful Wireless Amplifier on the Market
  • Eco-Friendly power consumption

The Maximum Signal™ Amplifier is the most powerful device of its kind. With exclusive patent pending technologies, the Maximum Signal Amplifier creates a hotspot capable of boosting signals wherever needed. Unlike other devices, you’ll receive blistering fast data rates, consistant messaging, and improved cellular performance. And with simple installation, you'll be up and running within minutes.

Maximum Technology Maximum Signal™ Amplifiers contain Patent Pending Technology Increases Your Cellular device Performance to virtually elminate dropped / missed calls /messages / and inconsistent data connections.
Reduced Antenna Separation Software (RASS™)Maximum Signal RASS™ Exclusive Technology allows for the shortest distance between antennas making antenna placement simple and Easy.

Technical Specifications

Frequency: TX: 824‐849MHz/1850‐1910MHz
RX: 869‐894MHz/1930‐1990MHz
Receive Sensitivity: 800MHz: -120 dBm
Gain: Up to 65dB (Dual Band, Bi‐Directional) (65dB 800MHz / 60dB 1900MHz)
Output Power: Uplink: +36dBm (maximum peak power)
Downlink: +27dBm
Type of Modulation: CDMA, GSM (Class V), TDMA, GPRS, EDGE, HSDPA
AC Supply Voltage: 110‐240 V AC
Current Draw: 3.6 watts at 110 volts
Operating Tempurature -25º C to 85º C
Storage Temperature: 40º C to 150º C.

*Technical Specifications subject to change without notice.

Unsurpassed ResultsIndustry insiders agree that the Maximum Signal™ Home / Office Amplifer out performs all other cellular boosting devices available on the market, with the ability to provide extensive reliable coverage areas, even when receiving the weakest of signals.

 What's in the Box

  • Wireless Amplifier
  • Quick Install Guide
  • Exterior Antenna
  • Interior Antenna
  • AC Wall Adapter
  • (2) 25 Ft.LMR400 Low Loss Antenna Cables


  • Model: Sphere
  • Shipping Weight: 12lbs
  • Manufactured by: MaxSignal

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