ALPHA18/2.5M/FMEF/S/S/26

$7.96

Description：RF ANT 850MHZ/900MHZ WHIP CTR
Series：ALPHA 18
Mfr：Siretta Ltd
Package：Bulk

SKU:7db2274d75fe Category: RF Antennas Brand: Siretta Ltd

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Product introduction

Product Detailed Parameters

Description：RF ANT 850MHZ/900MHZ WHIP CTR
Series：ALPHA 18
Mfr：Siretta Ltd
Package：Bulk
RF Family/Standard：Cellular
Frequency Group：UHF (300MHz ~ 1GHz), UHF (1GHz ~ 2GHz)
Frequency (Center/Band)：850MHz, 900MHz, 1.8GHz, 1.9GHz, 2.1GHz
Frequency Range：-
Antenna Type：Whip, Center-Fed Double
Number of Bands：5
VSWR：2
Return Loss：-
Gain：3dBi
Features：-
Termination：FME Female
Ingress Protection：-
Grade：-
Qualification：-
Mounting Type：Adhesive
Height (Max)：1.091" (27.71mm)
Applications：GPRS, GSM, UMTS
Power - Max：-

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ALPHA18/2.5M/FMEF/S/S/26

Overview

The Siretta ALPHA18/2.5M/FMEF/S/S/26 is a quad-band GSM/GPRS and 3G whip antenna from the Alpha 1A series. It features a low-profile design with adhesive mounting for discreet installation. The unit includes a 2.5-meter cable terminated with an FME female connector. Key electrical parameters include a maximum frequency of 2.1 GHz, a gain of 3 dBi, and a VSWR of 2:1. The impedance is 50 ohms with linear polarization.

Feature Summary

Compact doublet construction designed for discreet and secure adhesive mounting
Supports quad-band GSM/GPRS and 3G cellular protocols
Low-profile whip antenna form factor suitable for limited space applications

Applications

Mobile device connectivity
Vehicle-mounted communication systems
Industrial IoT gateways requiring GSM/3G links

Procurement Notes

Verify that the FME female connector polarity matches the host equipment interface. Confirm the 2.5-meter cable length meets spatial requirements. Ensure the adhesive backing is compatible with the intended surface material for reliable attachment. Check regulatory compliance for the target deployment region.

Selection Notes

Select this model when a low-profile, adhesive-mounted solution is required for GSM and 3G networks. The 3 dBi gain provides standard coverage for mobile applications. The integrated 2.5-meter cable offers flexibility in placement relative to the receiver module.

Part Context

This component belongs to the Siretta Alpha 1A series of antennas. The series focuses on compact, multi-band solutions for cellular communications. The Alpha 18 variant specifically targets quad-band GSM and 3G frequencies, utilizing a horn-style whip design optimized for vehicle or portable device integration.