ALPHA19/3M/SMAM/S/S/17
Antenna Patch, Adhesive, GPS, 1.574 GHz to 1.576 GHz, 26 dBi, SMA
- Manufacturer: SIRETTA
- Product type:
- Antenna Type:Patch; Frequency Min:1.574GHz; Frequency Max:1.576GHz; Antenna Mounting:Adhesive; Gain:26dBi; VSWR:1.5; Input Power:-; Input Impedance:50ohm; Antenna Polarisation:Right Hand
- Gain: 26dBi
- SVHC: No SVHC (04-Feb-2026)
- VSWR: 1.5
- Input Power: -
- Antenna Type: Patch
- Frequency Max: 1.576GHz
- Frequency Min: 1.574GHz
- Product Range: Alpha
- Input Impedance: 50ohm
- Antenna Mounting: Adhesive
- Antenna Polarisation: Right Hand Circular
| Delivery and price | |
|---|---|
| Units per pack | 250 |
| Price | 9.78 € |
| Current stock | 10+ |
| Lead time | 30 days |
**Alpha 19** Small Footprint GPS Antenna ## **Key Features** - Small footprint - Water resistant - Wide operating temperature ## **General Description** The Alpha 19 is a small footprint active GPS antenna, ideal for small spaces. It has an adhesive base for simple installation. A water resistant design with a wide operating temperature range of -40 to +85°C. ## **Additional Considerations** - 26 x 23 x 12mm - Simple and quick installation - Meets all EU compliance criteria for electronic goods The Alpha 19 comes as standard with a GPS 1574.5MHz band but can be supplied as a GPS/GLONASS antenna. Alternative cable lengths and connector types may be specified for volume orders. **==> picture [20 x 8] intentionally omitted <==** **----- Start of picture text -----**<br> option<br>**----- End of picture text -----**<br> Siretta Ltd sales +44(0)118 976 9000 Basingstoke Road email sales@siretta.com Spencers Wood web www.siretta.com Reading Berkshire RG7 1PW Registered in England No. 08405712 VAT Registration No. GB163 04 0349 Rev 1.4 **Alpha 19** Small Footprint GPS Antenna ## **Dieletric Antenna** |Impedance:|50 Ohm| |---|---| |Peak Gain:|>1dBic<br>Based on 7x7cmgroundplane| |Gain Coverage:|>-4dBic @ -90°| |VSWR:|1.5:1| |Center Frequency:|1575.42MHz ±3MHz| |Bandwidth:|±5MHz| |Polarization:|RHCP| ## **LNA/Filter - Specifications** |LNA Gain:|26dB Typical| |---|---| |Noise Figure:|1.5dB| |VSWR:|<2.0| |Filter out band attentuation:<br>(f0=1575.42MHz)|7dB min - f0±-20MHz<br>20dB min - f0±-50MHz<br>3dB min - f0±-100MHz| |DC Voltage:|3 - 5V| |DC Current:|11mA max| ## **Mechanical Specifications** |Dimensions:|26 x 23 x 12mm| |---|---| |Weight:|<100g| |Cable:|RG174| |Connector:|SMA Male| |Mounting<br>Method:|Adhesive| |**Environmental Specifications**|**Environmental Specifications**| |Operating<br>Temperature:|-40 - +85°C| |Storage<br>Temperature:|-45 - +100°C| Siretta Ltd sales +44(0)118 976 9014 Basingstoke Road email sales@siretta.com Spencers Wood web www.siretta.com Reading Berkshire RG7 1PW Registered in England No. 08405712 VAT Registration No. GB163 04 0349 Rev 1.4 **Alpha 19** Small Footprint GPS Antenna ## **LNA test curve** ## **Patch test curve** ## **Ordering Details** Part Number Description ALPHA19/1M/SMAM/S/S/17 26dBi GPS Antenna, 1m Cable, SMA Male Connector ALPHA19/3M/SMAM/S/S/17 26dBi GPS Antenna, 3m Cable, SMA Male Connector ALPHA19/5M/SMAM/S/S/17 26dBi GPS Antenna, 5m Cable, SMA Male Connector Registered in England No. 08405712 VAT Registration No. GB163 04 0349 Siretta Ltd sales +44(0)118 976 9014 Basingstoke Road email sales@siretta.com Spencers Wood web www.siretta.com Reading Berkshire RG7 1PW Rev 1.4
Updated at June 9, 2026
Based in the United Kingdom, Siretta is a leading manufacturer of wireless communications and industrial Internet of Things (IoT) products. Since 1998, the company has specialized in designing high-performance connectivity solutions, driven by a dedicated engineering team and a strong emphasis on research and development to deliver future-proofed technologies for demanding applications. The cornerstone of Siretta’s offering is its extensive and versatile portfolio of RF antennas. Engineered to support a wide spectrum of frequencies from 400 MHz to 6 GHz, these antennas ensure reliable signal transmission across critical wireless networks. The comprehensive range encompasses robust solutions optimized for cellular technologies, including GSM, UMTS, LTE, Cat M, NB-IoT, and emerging 5G NR standards, as well as global positioning (GPS/GNSS) and WLAN/Wi-Fi systems. Beyond standard cellular networks, Siretta's advanced antenna designs provide excellent coverage for localized and low-power wide-area networks, including Bluetooth, Zigbee, LoRa, Sigfox, and various ISM bands. Supported by a deep understanding of the wireless market, engineers trust Siretta for the reliable, high-quality RF connectivity components necessary to build seamless industrial communication systems.
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