Surecall FlexPro 3G | SC-DualH/O-72-OD-Kit

This FLEXPRO 72dB gain dual band (850 & 1900 Mhz) cell phone signal booster is designed to eliminate dead zones and improve indoor cell phone reception in homes or offices. This system boosts cell signal on all carriers including AT&T, T-Mobile, Verizon, US Cellular, Sprint PCS, and others. The external omnidirectional antenna is suited for locations that have 2 bars or more outside the building.

Key Features

  • Eliminate dead zones inside any brick, metal, or wooden building.
  • This amplifier is compatible with all network technologies: CDMA, TDMA, GSM, AMPS, in addition to 1x and 3x data protocols such as HSDPA, EVDO and EDGE
  • Requires no setup of any kind, just plug the device to the power supply and watch your bars rise
  • Your communication is safe and secure, because the booster operates in the same frequency as your cell phone provider, unlike Femtocell, where the signal goes via Internet
  • Individual gain control lets you fine tune the signal amplification, if necessary
  • 300 milliwatt max output power for voice and 3G data speed
  • Oscillation indicator to indicate if there is feedback between the external antenna and the internal antenna
  • Automatic current controller acts as a surge protector
  • FCC approved amplifiers are accepted by all cell phone networks
  • Operation temperature of 70°F/158C keep the unit from burning-out in hot locations
  • 2 year manufactures warranty
  • 30 day risk-free trial guarantee

What’s Included

All the components required to install a complete system are included:

  • 72 dB gain amplifier base unit
  • External all weather fiber glass antenna with mounting hardware – CM-288W
  • Internal dome antenna and necessary hardware – CM222W
  • Two sets of LMR400 cable 30 ft & 75 ft long

Setting it up:

Connection Diagram

Instruction Manual

Networks Supported

  • AT&T 2G/3G HSPA voice+ data
  • Verizon 2G/3G voice+ data
  • Sprint 2G/3G voice+ data
  • US Cellular 2G/3G voice+ data
  • Alltel 2G/3G voice+ data
  • T-Mobile 2G/3G/4G HSPS voice+ data
  • Major Canadian Carriers 2G/3G voice+ data
  • All other carriers using Uplink: 824-849/1850-1910 Mhz; Downlink : 869-894/1930-1990Mhz

Technical Specifications


Uplink: 824-849/1850-1910 Mhz; Downlink : 869-894/1930-1990Mhz
Maximum Output Power 3 Watts
Impedance 50 ohms
Noise Figure Maximum 5 dB
VSWR Less than 2:1
AC Power Transformer Input: AC110V, 60Hz; Output: DC 5V
Dual band linear antennas, with maximum 3dBi directional gain
RF Connectors
FME Male connectors on both ends
Power Consumption
Operating Temp

-20° to +70°C

7 x 4.8 x 1.2 inch
1.5 LB


Surecall Residential

Area 6,000 Sq Ft 6,000 Sq Ft 6,000 Sq Ft 10,000 Sq Ft 10,000 Sq ft
Price $499 $499 $749 $749 $749
All U.S.Carriers
All U.S. Carriers
3G Speed
4G Speed

Min BarsRequired

2 bar
1 bar
1 bar
1 bar
1 bar
Outside Antenna Type
Omni-Directional Antenna
Directional Yagi Antenna
Omni-Directional Antenna
Omni-Directional Antenna
Omni-Directional Antenna
Inside Antenna Type
Dome Antenna
Dome Antenna
Dome Antenna
Dome Antenna
Dome Antenna

This is a CONSUMER device.
BEFORE USE, you MUST REGISTER THIS DEVICE with your wireless provider and have your provider’s consent. Most wireless providers consent to the use of signal boosters. Some providers may not consent to the use of this device on their network. If you are unsure, contact your provider. You MUST operate this device with approv3ed antennas and cables as specified by the manufacturer. Antennas MUST be installed at least 20 cm (8 inches) from any person. You MUST cease operating this device immediately if requested by the FCC or a licensed wireless service provider.
WARNING. E911 location information may not be provided or may be inaccurate for calls served by using this device. Please note, the four largest carriers, namely, AT&T, T-Mobile, Verizon and Sprint, and more than 90 regional carriers have given a blanket consent to all boosters meeting the new certification standards.