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Glass
Mount Cell Phone Antenna:
Even though the antennas on this page are rated with their "gain" listed, this type of antenna mounting configuration is the least efficient of all. This type of antenna mounting does not have the benefit of ground plane and transfers the signal by an electrical phenomenon that is called capacitive coupling. There is signal loss between the antenna and the coupling box on the inside of the glass hence this type of antenna configuration will have inferior performance when compared to the same antenna with same antenna cable that is connected directly to the co-ax cable.
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INCREASE CELL PHONE RANGE AND ROUTE
ELECTROMAGNETIC RADIATION TO THE OUTSIDE
OF THE VEHICLE
Smoothtalker on glass antennas include SEMRC205 quad shield low loss co-ax antenna cable. This cable is a flexible cable with a solid center conductor, four layers of shielding and has the lowest loss specifications for cable of its diameter (.205 inches). SEMRC205 quad shield low loss co-ax antenna cable at 15 ft. of length with a connector on each end has less than 1.8 dB total loss at 850 Mhz, and less than 3.25 dB total loss at 1920 Mhz.
NOTES:
1-information listed below shows antenna performance as measured in our laboratory and field antenna performance in the environment listed. Field performance measurements vary with physical location and sometimes show increased performance figures and sometimes show decreased performance figures than those listed below.
2-All Smoothtalker external antennas are available with either FME female or MCT Female connectors. If a SmoothTalker antenna is to be connected to a device or cable with any other type of RF connector, then an antenna cable connector adapter will be required.
3-To
learn more about how an external cellantenna designed for use in
car, truck, boat or SOHO (small office or home office) will perform
and how to make the right choice of antenna for the environment
where the digital antenna or analog antenna is to be used, the following
technical document is recommended reading: Cellular
Antennas

Low Gain Dual-band: typical performance improvement between signal measured by a cell phone with and without this antenna when measured in a vehicle located in open areas away from obstructions is:
Greater than 8 dB at 824 to 894 Mhz Cellular band
Greater than -2 at 1850 to 1960Mhz PCS band |

High Gain open coil Dual-band: typical performance improvement between signal measured by a cell phone with and without this antenna when measured in a vehicle located in open areas away from obstructions is:
Greater than 8 dB at 824 to 894 Mhz Cellular band
Greater than 0 at 1850 to 1960Mhz PCS band |
| Model: SEM2series |
| Style: |
Straight Stem |
| Size: |
2 inches |
| V.S.W.R. |
Less than 1.2 to 1 |
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Frequencies
|
800 Mhz & 1900 Mhz |
| dB Gain: |
1.2dB & 3dB |
| Impedance: |
50 Ohms |
| Radiator Base: |
Collinear type |
| Cable Length: |
15 feet quad shield |
| Model # |
Connector |
| SEM2 |
FME female |
| SEM2X |
MCT Female |
| SEM3 |
TNC male |
| SEM4 |
Mini UHF male |
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Model: SEM15series |
| Style: |
Dual Coil |
| Size: |
13.5 inches |
| V.S.W.R. |
Less than 1.2 to 1 |
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Frequencies
|
800Mhz & 1900 Mhz |
| dB Gain: |
4dB & 6dB |
| Impedance: |
50 Ohms |
| Radiator Base: |
Collinear type |
| Cable Length: |
15 feet quad shield |
| Model # |
Connector |
| SEM15 |
FME female |
| SEM15X |
MCT female |
| SEM16 |
TNC male |
| SEM17 |
Mini UHF male |
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Medium Gain enclosed coil Dual-band: typical performance improvement between signal measured by a cell phone with and without this antenna when measured in a vehicle located in open areas away from obstructions is:
Greater than 4 dB at 824 to 894 Mhz Cellular band
Greater than -3 at 1850 to 1960Mhz PCS band
| Model: SEM11series |
| Style: |
Straight Stem, Enclosed Coil |
| Size: |
11 inches |
| V.S.W.R. |
Less than 1.5 to 1 |
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Frequency: |
800 Mhz & 1900 Mhz |
| dB Gain: |
3dB & 1 dB |
| Impedance: |
50 Ohms |
| Radiator Base: |
Collinear type |
| Cable Length: |
15 feet quad shield |
| Model # |
Connector |
| SEM11F |
FME female |
| SEM11X |
MCT Female |
| SEM11T |
TNC male |
| SEM11U |
Mini UHF male |
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INCREASE PHONE RANGE AND ROUTE
ELECTROMAGNETIC RADIATION TO THE OUTSIDE
OF THE VEHICLE
Smoothtalker large magnetic base antennas include SEMRC205 quad shield low loss co-ax antenna cable. This cable is a flexible cable with a solid center conductor, four layers of shielding and has the lowest loss specifications for cable of its diameter (.205 inches). SEMRC205 quad shield low loss co-ax antenna cable at 15 ft. of length with a connector on each end has less than 1.8 dB total loss at 850 Mhz, and less than 3.25 dB total loss at 1920 Mhz.
Smoothtalker small magnetic base antennas include SEMRC105 dual shield low loss co-ax antenna cable. This cable is small diameter ultra flexible cable with two layers of shielding, and has the lowest loss specifications for cable of its diameter (.105 inches). SEMRC105 dual shield low loss co-ax antenna cable at 15 ft. of length with a connector on each end has lower loss than RG-58U larger diameter co-ax cable found on many other cellular antennas.
NOTES:
1-information listed below shows antenna performance as measured in our laboratory and field antenna performance in the environment listed. Field performance measurements vary with physical location and sometimes show increased performance figures and sometimes show decreased performance figures than those listed below.
2-All Smoothtalker external antennas are available with either FME female or MCT Female connectors. If a SmoothTalker antenna is to be connected to a device or cable with any other type of RF connector, then an antenna cable connector adapter will be required.
3-To learn more about how an external cellantenna designed for use in car, truck, boat or SOHO (small office or home office) will perform and how to make the right choice of antenna for the environment where the digital antenna or analog antenna is to be used, the following technical document is recommended reading: Cellular Antennas
The SEM2 series Low Gain dual band antennas are recommended for best performance and signal range increase in uneven terrain with obstructions. This includes large cities with tall buildings, wooded areas, mountainous areas, low lying areas like valleys or canyons etc. This type of antenna will work best when it is on ground plane (a metal surface like the roof of a vehicle). If the antenna is to be used when traveling through different terrain, then this antenna will give best overall performance and signal reception and transmit range.
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Small magnetic base Low Gain Dual-band: Comes with small magnetic base and ultra flex small diameter dual shield co-ax cable. Typical performance improvement between signal measured by a cell phone with and without this antenna when measured in a vehicle located in open areas away from obstructions is:
Greater than 16 dB at 824 to 894 Mhz Cellular band
Greater than 9 dB at 1850 to 1960Mhz PCS band
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Model: SEM2M series |
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Type: |
Straight Mast |
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Size: |
2 inches |
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V.S.W.R.: |
Less than
1.2 to 1 |
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Frequency: |
Cellular&PCS |
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dB Gain: |
1.2dB &3dB |
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Impedance: |
50 Ohms |
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Connection: |
Direct type |
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Cable: |
SEMRC105 dual-shield
Length:10 ft.
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Model# |
Connector |
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SEM2M |
FME Female |
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SEM2MX |
MCT Female |
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Large magnetic base Low Gain Dual-band: Comes with small magnetic base and SEMRC205 quad shield co-ax cable. Typical performance improvement between signal measured by a cell phone with and without this antenna when measured in a vehicle located in open areas away from obstructions is:
Greater than 16 dB at 824 to 894 Mhz Cellular band
Greater than 9 dB at 1850 to 1960Mhz PCS band
Model: SEM2LGM series |
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Type: |
Straight Mast |
Size: |
2 inches |
V.S.W.R.: |
Less than
1.2 to 1 |
Frequency: |
Cellular&PCS |
dB Gain: |
1.2dB &3dB |
Impedance: |
50 Ohms |
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Connection: |
Direct type |
Cable: |
SEMRC205 quad-shield
Length: 10 ft
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Model# |
Connector |
SEM2M |
FME Female |
SEM2MX |
MCT Female |
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Large magnetic base Low Gain Dual-band: Comes with small magnetic base and extra long SEMRC205 quad shield co-ax cable. Typical performance improvement between signal measured by a cell phone with and without this antenna when measured in a vehicle located in open areas away from obstructions is:
Greater than 16 dB at 824 to 894 Mhz Cellular band
Greater than 9 dB at 1850 to 1960Mhz PCS band
Model: SEM2LGMLseries |
Type: |
Straight Mast |
Size: |
2 inches |
V.S.W.R.: |
Less than
1.2 to 1 |
Frequency: |
Cellular&PCS |
dB Gain: |
1.2dB &3dB |
Impedance: |
50 Ohms |
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Connection: |
Direct type |
Cable: |
SEMRC205 quad-shield
Length: 18 ft
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Model# |
Connector |
SEM2M |
FME Female |
SEM2MX |
MCT Female |
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The Sem11 series Medium Gain cellular car and house antenna is a good overall performing antenna that is both attractive and functional. This antenna has is best suited to vehicles with obstructions on the roof where some vertical height is required. The enclosed coil and ergonomic design impede wind noise and whistle when used on a car or truck traveling at high speed.
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Small magnetic base Medium Gain Dual-band: Comes with small magnetic base and ultra flex small diameter dual shield co-ax cable. Typical performance improvement between signal measured by a cell phone with and without this antenna when measured in a vehicle located in open areas away from obstructions is:
Greater than 16 dB at 824 to 894 Mhz Cellular band
Greater than 7 dB at 1850 to 1960Mhz PCS band
Model: SEM11M series |
Type: |
Straight Stem, Enclosed Coil |
Size: |
11 inches |
V.S.W.R.: |
Less than
1.2 to 1 |
Frequency: |
Cellular&PCS |
dB Gain: |
3dB & 1dB |
Impedance: |
50 Ohms |
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Connection: |
Direct type |
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Cable: |
SEMRC105 dual-shield
Length:10 ft.
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Model# |
Connector |
SEM2M |
FME Female |
SEM2MX |
MCT Female |
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Large magnetic base Medium Gain Dual-band: Comes with small magnetic base and SEMRC205 quad shield co-ax cable. Typical performance improvement between signal measured by a cell phone with and without this antenna when measured in a vehicle located in open areas away from obstructions is:
Greater than 16 dB at 824 to 894 Mhz Cellular band
Greater than 7 dB at 1850 to 1960Mhz PCS band
Model: SEM11LGM series |
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Type: |
Straight Stem, Enclosed Coil |
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Size: |
11 inches |
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V.S.W.R.: |
Less than
1.2 to 1 |
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Frequency: |
Cellular&PCS |
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dB Gain: |
3dB & 1dB |
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Impedance: |
50 Ohms |
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Connection: |
Direct type |
Cable: |
SEMRC205 quad-shield
Length: 10 ft
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Model# |
Connector |
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SEM2M |
FME Female |
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SEM2MX |
MCT Female |
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Large magnetic base Medium Gain Dual-band: Comes with small magnetic base and extra long SEMRC205 quad shield co-ax cable. Typical performance improvement between signal measured by a cell phone with and without this antenna when measured in a vehicle located in open areas away from obstructions is:
Greater than 16 dB at 824 to 894 Mhz Cellular band
Greater than 7 dB at 1850 to 1960Mhz PCS band
Model:SEM11LGMLseries |
Type: |
Straight Stem, Enclosed Coil |
Size: |
11 inches |
V.S.W.R.: |
Less than
1.2 to 1 |
Frequency: |
Cellular&PCS |
dB Gain: |
3dB & 1dB |
Impedance: |
50 Ohms |
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Connection: |
Direct type |
Cable: |
SEMRC205 quad-shield
Length: 18 ft
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Model# |
Connector |
SEM2M |
FME Female |
SEM2MX |
MCT Female |
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The SEM15 series dual band open coil antenna is a high gain PCS and Cellular band antenna that is recommended in virtually all types of terrain. This antenna is especially effective for people that travel from urban to rural areas often. Note: some wind noise may occur when using this antenna on a fast moving car or truck roof.
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Small magnetic base Dual-band: Comes with small magnetic base and ultra flex small diameter dual shield co-ax cable. Typical performance improvement between signal measured by a cell phone with and without this antenna when measured in a vehicle located in open areas away from obstructions is:
Greater than 16 dB at 824 to 894 Mhz Cellular band
Greater than 11 dB at 1850 to 1960Mhz PCS band
Model: SEM15M series |
Type: |
Dual coil open |
Size: |
13.5 inches |
V.S.W.R.: |
Less than
1.2 to 1 |
Frequency: |
Cellular&PCS |
dB Gain: |
4dB & 6dB |
Impedance: |
50 Ohms |
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Connection: |
Direct type |
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Cable: |
SEMRC105 dual-shield
Length:10 ft.
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Model# |
Connector |
SEM2M |
FME Female |
SEM2MX |
MCT Female |
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Large magnetic base Dual-band: Comes with small magnetic base and SEMRC205 quad shield co-ax cable. Typical performance improvement between signal measured by a cell phone with and without this antenna when measured in a vehicle located in open areas away from obstructions is:
Greater than 16 dB at 824 to 894 Mhz Cellular band
Greater than 11 dB at 1850 to 1960Mhz PCS band
Model: SEM15LGM series |
Type: |
Dual coil open |
Size: |
13.5 inches |
V.S.W.R.: |
Less than
1.2 to 1 |
Frequency: |
Cellular&PCS |
dB Gain: |
4dB & 6dB |
Impedance: |
50 Ohms |
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Connection: |
Direct type |
Cable: |
SEMRC205 quad-shield
Length: 10 ft
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Model# |
Connector |
SEM2M |
FME Female |
SEM2MX |
MCT Female |
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Large magnetic base Dual-band: Comes with small magnetic base and extra long SEMRC205 quad shield co-ax cable. Typical performance improvement between signal measured by a cell phone with and without this antenna when measured in a vehicle located in open areas away from obstructions is:
Greater than 16 dB at 824 to 894 Mhz Cellular band
Greater than 11 dB at 1850 to 1960Mhz PCS band
Model: SEM15LGML series |
Type: |
Dual coil open |
Size: |
13.5 inches |
V.S.W.R.: |
Less than
1.2 to 1 |
Frequency: |
Cellular&PCS |
dB Gain: |
4dB & 6dB |
Impedance: |
50 Ohms |
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Connection: |
Direct type |
Cable: |
SEMRC205 quad-shield
Length: 18 ft
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Model# |
Connector |
SEM2M |
FME Female |
SEM2MX |
MCT Female |
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The Sem26 series High Gain external cellantenna is a dual enclosed coil antenna that is designed and recommended to be used in any environment that is reasonably flat and where the cellular base station or transmitter or receiver is on the horizon or unobstructed. Best signal range will be achieved when used in flat desert, plains, oceans etc. This antenna has the highest gain in the 800Mhz cellular band and its radiation pattern will radiate more acutely towards the horizon when compared with all other Smooth Talker external antennas. |

Large magnetic base Dual-band: Comes with small magnetic base and extra long SEMRC205 quad shield co-ax cable. Typical performance improvement between signal measured by a cell phone with and without this antenna when measured in a vehicle located in open areas away from obstructions is:
Greater than 22 dB at 824 to 894 Mhz Cellular band
Greater than 11 dB at 1850 to 1960Mhz PCS band
Model: SEM26M series |
Type: |
Dual coil enclosed |
Size: |
26 inches |
V.S.W.R.: |
Less than
1.2 to 1 |
Frequency: |
Cellular&PCS |
dB Gain: |
7dB |
Impedance: |
50 Ohms |
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Connection: |
Direct type |
Cable: |
SEMRC205 quad-shield
Length: 10 ft
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Model# |
Connector |
SEM2M |
FME Female |
SEM2MX |
MCT Female |
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Large magnetic base Dual-band: Comes with small magnetic base and extra long SEMRC205 quad shield co-ax cable. Typical performance improvement between signal measured by a cell phone with and without this antenna when measured in a vehicle located in open areas away from obstructions is:
Greater than 22 dB at 824 to 894 Mhz Cellular band
Greater than 11 dB at 1850 to 1960Mhz PCS band
Model: SEM26ML series |
Type: |
Dual coil enclosed |
Size: |
26 inches |
V.S.W.R.: |
Less than
1.2 to 1 |
Frequency: |
Cellular&PCS |
dB Gain: |
7dB |
Impedance: |
50 Ohms |
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Connection: |
Direct type |
Cable: |
SEMRC205 quad-shield
Length: 18 ft
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Model# |
Connector |
SEM2M |
FME Female |
SEM2MX |
MCT Female |
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Truck, Thru-Hole and
Mirror, Trunk, Fender, Pole, Wall Mount Antennas
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INCREASE PHONE RANGE AND ROUTE
ELECTROMAGNETIC RADIATION TO THE OUTSIDE
OF THE VEHICLE
Smoothtalker thru hole or through the roof antennas can be used on a mirror mount and fender or trunk mount application and include SEMRC205 quad shield low loss co-ax antenna cable. This cable is a flexible cable with a solid center conductor, four layers of shielding and has the lowest loss specifications for cable of its diameter (.205 inches). SEMRC205 quad shield low loss co-ax antenna cable at 15 ft. of length with a connector on each end has less than 1.8 dB total loss at 850 Mhz, and less than 3.25 dB total loss at 1920 Mhz.
NOTES:
1-information listed below shows antenna performance as measured in our laboratory and field antenna performance in the environment listed. Field performance measurements vary with physical location and sometimes show increased performance figures and sometimes show decreased performance figures than those listed below.
2-All Smoothtalker external antennas are available with either FME female or MCT Female connectors. If a SmoothTalker antenna is to be connected to a device or cable with any other type of RF connector, then an antenna cable connector adapter will be required.
3-To learn more about how an external cellantenna designed for use in car, truck, boat or SOHO (small office or home office) will perform and how to make the right choice of antenna for the environment where the digital antenna or analog antenna is to be used, the following technical document is recommended reading: Cellular Antennas
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SEM2TH Series: typical performance
improvement between signal measured by a cell phone with and without this antenna when measured
in a vehicle located in open areas away from obstructions is:
Greater than 18 dB at 824 to 894 Mhz Cellular band
Greater than 10 dB at 1850 to 1960Mhz PCS band
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SEM105 Series: typical performance improvement between signal measured by a cell phone with and without this antenna when measured in a vehicle located in open areas away from obstructions is:
Greater than 18 dB at 824 to 894 Mhz Cellular band
Greater than 8 dB at 1850 to 1960Mhz PCS band
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SEM15 Series: typical performance improvement between signal measured by a cell phone with and without this antenna when measured in a vehicle
located in open areas away from obstructions is:
Greater than 18 dB at 824 to 894 Mhz Cellular band
Greater than 12 dB at 1850 to 1960Mhz PCS band |
SEM26 Series: typical performance improvement between signal measured by a cell phone with and without this antenna when measured in a vehicle located in open areas away from obstructions is:
Greater than 23 dB at 824 to 894 Mhz Cellular band
Greater than 12 dB at 1850 to 1960Mhz PCS band |
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Optional Stainless Stell Bracket:
for mounting external antennas to truck mirrors, antenna posts and masts, or to screw into flat surfaces |
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SPECIFICATIONS |
| Style: |
Enclosed Coil |
| V.S.W.R. |
Less than 1.2 to 1 |
| Frequency: |
824-896Mhz & 1.9Ghz |
| dB Gain: SEM2 |
1.2dB & 3dB |
| dB Gain: SEM105 |
3dB & 1dB |
| dB Gain: SEM15 |
4dB & 6dB |
| dB Gain: SEM26 |
7dB |
| Impedance: |
50 Ohms |
| Cable: |
15 Ft. Black SEMRC205 quad shield |
| Thru-Hole Diameter: |
5/8-3/4 Inch |
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Marine and Boat Mount Antenna
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INCREASE PHONE RANGE AND ROUTE
ELECTROMAGNETIC RADIATION TO THE OUTSIDE
OF THE BOAT

The
Smoothtalker boat antenna is a high gain marine designed to send
and increase signal towards the horizon. This antenna is ideal for
increasing range on the water in seas, oceans and lakes for Digital
and Analog dual band and tri mode cellular telephones. Smooth Talker
marine antennas are in use in the seas off of Alaska, the Gulf of
Mexico, the Atlantic, Pacific, and Indian Oceans and bodies of water
throughout the world by Commercial fishing fleets, the coast guard,
the military, river barges and off-shore oil drilling platforms.
For best range cellular signal improvement on the water add a Smoothtalker
cellphone Booster and get signal as far out to sea as is possible.
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| Marine Antennas |
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Specifications |
| Size: |
27 inches overall |
| Mast Size: |
23 inches |
| V.S.W.R. |
Less than 1.2 to 1 |
| Frequency: |
800Mhz & 1.9 Ghz |
| dB Gain: |
5db & 3dB |
| Impedance: |
50 Ohms |
| Bracket&Base: |
4-way adjustable |
| Cable Length: |
15 ft. white RG58 |
| Model |
Connector Type |
| SEM23 |
FME Female |
| SEM23X |
MCT female |
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NOTES:
2-All Smoothtalker external antennas are available with either FME female or MCT Female connectors. If a SmoothTalker antenna is to be connected to a device or cable with any other type of RF connector, then an antenna cable connector adapter will be required.
3-To learn more about how an external cellantenna designed for use in car, truck, boat or SOHO (small office or home office) will perform and how to make the right choice of antenna for the environment where the digital antenna or analog antenna is to be used, the following technical document is recommended reading: Cellular Antennas
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