SmoothTalker Z1 72dB

by SmoothTalker

Product no longer available

We are no longer selling SmoothTalker Z1 72dB.

A replacement is available here: SmoothTalker Stealth Z6

Product Description

The SmoothTalker Z1 72dB Signal Booster kit increases 2G/3G and Sprint 4G LTE voice and data reception. The amplifier unit can be used with optional splitters and antennas to provide a very large coverage footprint up to 7,500 sq. ft. This smart, self-regulating booster is equipped with dynamic adaptive gain control to allow maximum performance for clear reception.

The Stealth Z1 72dB Signal Booster is the most powerful booster in the Z1 range. It is best suited to urban or suburban areas and areas where existing outside signal is strong. If existing outside signal is weak, you may wish to use the Smooth Talker X2 range.

The Z1 72 dB amplifier has LED level indicators to make installation quick, easy and effective. The LED console also has a manual control override. Signal gain is improved with automatic oscillation control and network overload protection, so that you have maximum gain and coverage.

Features and Benefits

  • Recommended for areas within 10 mi. (15 km) of the cell tower
  • Installs quickly and easily
  • Indoor antenna mounts direct to the amplifier
  • Improves reception and data speeds
  • Reduces dropped connections
  • STEALTH TECH keeps the booster working for optimal gain and power levels
  • High signal sensitivity, less than -117dB enables signal acquisition in low signal areas
  • Increases battery life of your phone
  • Meets the latest FCC Network Protection Standard
  • 3 year Warranty
  • Made in North America

This kit includes inside and outside antennas, amplifier, and power supply. The unit comes with sturdy long lasting cast aluminum housing.

Outside Antenna

The outside antenna is a wide band directional panel antenna suitable for both indoor and outdoor use. A directional antenna is stronger than an omnidirectional antenna and so can pick up outside signal from further away. It needs to be pointed in the direction of the nearest cell tower. The antenna has 18’ of cable attached. The antenna comes with an adjustable mounting bracket made of weather proof impact resistant plastic. It includes stainless steel screws and double sided tape to mount to walls or windows.

Inside antenna

The inside antenna is a wide-band omni directional antenna for use with the amplifier unit. The “blade” style antenna is mounted directly to the inside antenna connector of the booster. Omni-directional antennas broadcast and receive signals from all sides. They are designed for central locations with 360º coverage.


The MCT-Female amplifier unit comes with MCT-Female connectors and 200 series cable for maximum performance. The cable lengths included are 18FT (attached to outside antenna) + 2x30FT.


The coverage area you can expect from any signal booster kit depends on the signal strength outside the building.

Outdoor Signal Estimated coverage area
Strong outdoor signal (5 bars) up to 7,500 sq. ft. coverage
Medium outdoor signal (3-4 bars) up to 5,000 sq. ft. coverage
Weak outdoor signal (1-2 bars) up to 3,000 sq. ft. coverage


The SmoothTalker Z1 72dB is compatible with the following networks:

Carrier Supported services Unsupported services
Verizon 2G/3G Voice + Data 4G LTE
AT&T 2G/3G Voice + Data 4G LTE
Sprint 2G/3G Voice + Data 4G LTE
T-Mobile 2G/3G Voice + Data 4G LTE

The SmoothTalker Z1 72dB kit is also compatible with Canadian networks, though they are not listed above. Check our international carriers page for more information.

Supported frequency bands (MHz): 824-849 / 869-894 / 1850-1910 / 1930-1990 / 1910-1915 / 1990-1995


Dimensions 6.25” x 3.25” x 1.0”
Frequency 824-849 / 869-894 / 1850-1910 / 1930-1990 / 1910-1915 / 1990-1995
Gain 72 dB
Impedance 50 Ohm
Noise <4 dB
Power supply 120V AC
Connector type MCT-Female
Cable length 0FT / 18FT + 30FT & 50FT Extensions
Cable type 200 Series Coax
Color White
Coverage 3000 sq ft (1 coverage with weak signal)
5000 sq ft (2 coverage with medium signal)
7500 sq ft (3 coverage with strong signal)

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