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The Alpha 11 is our HIGHEST GAIN flat blade antenna. Its slim and low profile design means it will fit discreetly onto most surfaces, whether that is on top of an energy meter or on the side of telemetry equipment, this antenna will suit a variety of environments and applications. Supplied with a 3M adhesive base, the Alpha 11 is perfect for quick and simple installations onto a number of different surface materials such as: metal, glass, wood and plastic. More so, the use of an adhesive base takes away the need to drill holes or apply adhesive substances - simply ‘peel & press’ the antenna into its desired position. 


The Alpha 11 is tuned to quad band GSM/GPRS & 3G/UMTS frequencies, making this antenna a very mainstream performer. Its wide operating frequency band allows for worldwide cellular applications over the quad band GSM/GPRS networks and also high data transfer rates via 3G/UMTS. It achieves a reputable peak gain of 2.5dBi, making this Siretta’s HIGHEST GAIN flat blade antenna. Therefore, the Alpha 11 is our antenna of choice for GSM/3G applications within marginal signal areas.

It is supplied, as standard, with a 2.5 meter RG174 coaxial cable, terminated with an SMA male connector. Custom cable lengths and alternative connector types can be supplied for volume requirements.

Key Features:
* 2.5dBi GSM Gain
* Quad Band Cellular and 2.1GHz 3G
* Mounts on variety of surfaces
* RoHS Compliant

Key Specifications - Electrical

Operating temperature range: -40 to 85°C
Impedance: 50 ohm
Gain: 2.5dBi (GSM)
VSWR: ≤1.5:1
Max input power: 50W
Voltage and supply current: Passive
Frequency: 850/900/1800/1900/2100MHz
Polarization: Vertical

Key Specifications - Mechanical

Dimensions: 115mm x 22mm x 4mm
Cable type: RG174
Cable length: 2.5 metre
Connector: SMA male
Mounting: Adhesive



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