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Siretta T-Bar Multi-Band Antenna with SMA Connector 850 MHz–2.4 GHz, 2.5m Cable ALPHA1A/2.5M/SMAM/S/S/11

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Siretta T-Bar Multi-Band Antenna with SMA Connector 850 MHz - 2.4 GHz, 2.5m Cable ALPHA1A/2.5M/SMAM/S/S/11

Name: Siretta T-Bar Multi-Band Antenna with SMA Connector 850 MHz - 2.4 GHz, 2.5m Cable ALPHA1A/2.5M/SMAM/S/S/11
Brand: Siretta
SKU: 92571

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Category Multi-Band Antenna Brand Siretta Condition New

Specifications

Country of Origin	Taiwan
Brand	Siretta
Operating Temperature	-20 to 80°C
Height	4 mm
Length	104 mm
Model	ALPHA1A/2.5M/SMAM/S/S/11
Connector Type	SMA
Width	10.8 mm
Series	Alpha 1A
Gain	3.81dBi
Lead Length	2.5m
Impedance	50 Ω
Standards/Approvals	UL
Maximum Frequency	2.4GHz
Connector Gender	Male
Minimum Frequency	850MHz
Internal/External	Internal
Antenna Physical Form	T-Bar
Antenna Mount Type	Direct
Directivity	Omni-Directional
Antenna Internal Construction	Flexible Moulding
Number of Bands	4
Polarisation	Vertical / omnidirectional
Gain (peak)	3.8 dBi
VSWR	2.0:1 max
Quad Band GSM/GPRS & 2G	950, 900, 1800, 1900MHz
3G/UMTS	2100MHz
WiFi/Bluetooth/ZigBee	2400 MHz
ISM	868 MHz, 915 MHz

Key Features

Quad-band GSM/GPRS/3G/WiFi/ISM coverage for maximum versatility.
T-Bar low-profile design for discreet installation in compact spaces.
Flexible internal moulded construction with adhesive mounting base.
SMA male connector and 2.5m RG174 coaxial cable included.
Peak gain up to 3.8 dBi with omnidirectional directivity for strong signal.
Supports frequencies from 850 MHz up to 2.4 GHz for broad device compatibility.
Operates across temperatures from -20°C to 80°C for reliable field use.
Ideal for industrial, IoT, communications and embedded wireless applications.

Product Description

Siretta presents the ALPHA1A/2.5M/SMAM/S/S/11 T-Bar Multi-Band Antenna, engineered for reliable wireless connectivity in demanding environments. This antenna features a slim T-Bar form factor with a flexible moulded internal structure, designed for easy and robust adhesive mounting on various surfaces. The integrated 2.5 metre RG174 coaxial cable terminates with a SMA male connector, supporting simplified connection to a wide range of wireless modules and devices.

Quad-band support, enabling operation on GSM/GPRS, 3G/UMTS, WiFi/Bluetooth/ZigBee, and ISM bands. Impedance of 50 Ohm and peak gain up to 3.8 dBi, providing strong, stable reception and transmission. Operates efficiently within a -20°C to 80°C temperature range, making it suitable for varying environmental conditions.

Omnidirectional directivity for enhanced coverage in industrial and commercial deployments.

Typical applications include industrial automation, telemetry, telemetry devices, IoT gateways, embedded systems, remote monitoring, fleet management, and wireless networking projects. The robust construction and versatile frequency coverage make it an excellent choice for demanding professional environments.

The adhesive mounting base ensures secure installation, and the flexible moulded case resists vibration, making it fit for mobile and fixed equipment. The antenna’s compliance with UL standards further attests to its manufacturing quality.

Delivered as a single multi-band antenna with attached 2.5m cable (Alpha 1A series), this product is ready for immediate deployment in communication, laboratory, and field devices requiring broad wireless compatibility.

Quad-band operation supports GSM 900/950/1800/1900 MHz, 3G 2100 MHz, ISM 868/915 MHz, and WiFi/Bluetooth/ZigBee 2.4 GHz bands. Peak VSWR: 2:1 max; vertical polarization for consistent signal orientation. Product condition: Always supplied new and sealed.

Explore the Multi-Band Antenna category for additional RF, communications, and connectivity solutions from Siretta and leading industrial brands, only at EnvMart.