Image not available
Illustrative purposes only
TANGO20/3M/SMAM/S/S/26
Antenna, Vandal Resistant Through Hole, GPS, SMA, 3m
⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.
- Manufacturer: SIRETTA
- Product type:
- Antenna Type:GPS; Frequency Min:1.57442GHz; Frequency Max:1.57642GHz; Antenna Mounting:SMA Connector; Gain:5dB; VSWR:-; Input Power:-; Input Impedance:50ohm; Antenna Polarisation:Right H
- Gain: 5dB
- SVHC: No SVHC (04-Feb-2026)
- VSWR: -
- Input Power: -
- Antenna Type: GPS
- Frequency Max: 1.57642GHz
- Frequency Min: 1.57442GHz
- Product Range: Tango
- Input Impedance: 50ohm
- Antenna Mounting: SMA Connector
- Antenna Polarisation: Right Hand Circular
| Delivery and price | |
|---|---|
| Units per pack | 100 |
| Price | 16.21 € |
| Current stock | 50+ |
| Lead time | 30 days |
Datasheet
## **Tango 20** Active GPS L1 Screw-Mount Puck Antenna with Integrated LNA ## **Key Features** - GPS L1 band operation at 1575.42 MHz - Top hemisphere RHCP gain 24 ± 1 dBiC - Axial ratio at zenith ≤ 1 dB for improved signal purity - Rugged M10 screw-mount design for secure installation - SMA male connector and RG174 cable as standard - Compact, weather-resistant ABS enclosure ## **General Description** The Tango 20 is a compact, puck-shaped GPS L1 antenna designed for secure outdoor mounting. Tuned to the 1575.42 MHz frequency, it is well suited to a wide range of GNSS tracking applications where consistent and reliable performance is required. ## **Typical Applications** - Vehicle and fleet tracking systems - Outdoor GNSS modules and smart kiosks - Industrial asset tracking - Remote positioning and monitoring systems With RHCP gain reaching up to 24 dBi in the top hemisphere and a low axial ratio at zenith, the Tango 20 enables fast satellite acquisition and stable signal reception in mobile and fixed installations. The rugged ABS enclosure and M10 screw-thread base ensure durability and secure mounting in demanding environments. The Tango 20 is supplied as standard with a 3 metre RG174 cable and SMA male connector. Alternative cable lengths and connector types can be specified for high-volume projects. Siretta Ltd sales +44 118 976 9000 Basingstoke Road email sales@siretta.com Spencers Wood web www.siretta.com Reading Berkshire RG7 1PW Rev 2.0 Registered in England No. 08405712 VAT Registration No. GB163 04 0349 **Download Latest Edition** ~~es~~ > Rev 2.0 || 1 **Tango 20** Active GPS L1 Screw-Mount Puck Antenna with Integrated LNA ## **Electrical Specifications** |Impedance:|50 Ω| |---|---| |Polarisation:|RHCP| |Frequency Range:|1575.42 MHz ± 1 MHz (GPS L1)| |Return Loss:|–24.4 dB| |VSWR:|1.5| |Ground Plane<br>Independent:|No| |Filter Insertion Loss:|<3 dB| |RHCP Gain:|24 ± 1 dBiC| |Axial Ratio at Zenith:|≤ 1 dB| |Noise Figure:|<1.5 dB| |Supply Voltage:|2.2 – 5 V DC| |Current Consumption:|5 – 15 mA| ## **Environmental Specifications** |**Environmental Specifications**|| |---|---| |Operational Temperature Range:|–40 °C to +85 °C| |Storage Temperature Range:|–40 °C to +85 °C| |Relative Humidity:|Up to 95%| ## **Mechanical Specifications** |**Mechanical Specifications**|| |---|---| |Dimension:|Ø 46 mm × H 14.5 mm| |Material:|ABS| |Weight:|74 g| |Connector:|SMA Male| |Cable:|RG174| |Mounting Methods:|M10 screw thread| |Maximum Material Thickness:|4.5 mm| Registered in England No. 08405712 VAT Registration No. GB163 04 0349 Siretta Ltd sales +44 118 976 9000 Basingstoke Road email sales@siretta.com Spencers Wood web www.siretta.com Reading Berkshire RG7 1PW Rev 2.0 ~~—~~ **Download Latest Edition** > Rev 2.0 Cl 2 **Tango 20** Active GPS L1 Screw-Mount Puck Antenna with Integrated LNA ## **Dimensional Drawing** _Unit: mm_ **==> picture [477 x 422] intentionally omitted <==** **----- Start of picture text -----**<br> orientation<br>4<br>⌀ 14.5±0.1<br>⌀ 11.2±0.1<br>i<br>⌀ 46.6±0.2<br>⌀ 1.8±0.1<br>M10<br>Te Le<br>RG174<br>S (2<br>Heat<br>Shrinking<br>Tube<br>orientation<br>SMA Male<br>o e aml<br>**----- End of picture text -----**<br> Siretta Ltd sales +44 118 976 9000 Basingstoke Road email sales@siretta.com Spencers Wood web www.siretta.com Reading Berkshire RG7 1PW Rev 2.0 Registered in England No. 08405712 VAT Registration No. GB163 04 0349 3 Rev 2.0 **Download Latest Edition** ## **Tango 20** Active GPS L1 Screw-Mount Puck Antenna with Integrated LNA ## **Spectrum Coverage** **GPS NavIC GLONASS Band Frequency Use Indicator Band Frequency Use Indicator Band Frequency Use Indicator** L5 1176.45 L5 1176.45 L3OC 1202.025 L2 1227.6 L2OF, L2OC 1246 L1 1575.42 L1OF, L1OC 1602 \, EeYa “9g “ Poets ( 2.oe>Z\ **Galileo BeiDou QZSS** ee esee **Band Frequency Use Indicator Band Frequency Use Indicator Band Frequency Use Indicator** E5a 1176.45 B2a 1176.45 L5 1176.45 rs E5b 1207.14 B2l, B2b 1207.14 L2 1227.6 rr E6-I, E6-Q 1278.75 B3I 1268.52 L6 1278.75 a ee ee E1-I, E1-Q 1575.42 B1l 1561.098 L1 1575.42 rs B1C 1575.42 | fe | e Suitable band Adequate band in good signal conditions Likely to be unsuitable e e Registered in England No. 08405712 VAT Registration No. GB163 04 0349 Siretta Ltd sales +44 118 976 9000 Basingstoke Road email sales@siretta.com Spencers Wood web www.siretta.com **Download Latest Edition** ~~es~~ 4 |_| Reading Berkshire RG7 1PW Rev 2.0 **Tango 20** Active GPS L1 Screw-Mount Puck Antenna with Integrated LNA ## **GNSS Standards Band Support** ||**Electrical Interface**|**Electrical Interface**||**Spherical RF Measurements**|**Spherical RF Measurements**|| |---|---|---|---|---|---|---| |**Centre**<br>**Frequency**<br>**(MHz)**|**VSWR**|**Return Loss**<br>**(dB)**|**Average RHCP**<br>**Gain (dBiC)**|**Peak RHCP**<br>**Gain (dBiC)**|**Median Axial**<br>**Ratio (dB)**|**Minimum Axial**<br>**Ratio (dB)**| |1575.42|1.1292|-24.3579|19.42|24.55|5.92|0.18| |||||||| ||**Top hemisphere RF Measurements**||||**Zenith RF Measurements**|| |**Centre**<br>**Frequency**<br>**(MHz)**|**Average RHCP**<br>**Gain (dBiC)**|**Peak RHCP**<br>**Gain (dBiC)**|**Median Axial**<br>**Ratio (dB)**|**Minimum Axial**<br>**Ratio (dB)**|**RHCP Gain at**<br>**Zenith (dBiC)**|**Axial Ratio at**<br>**Zenith (dB)**| |1575.42|23.67|24.55|2.31|0.18|24.53|0.82| Siretta Ltd Basingstoke Road Spencers Wood sales +44 118 976 9000 email sales@siretta.com web www.siretta.com Registered in England No. 08405712 VAT Registration No. GB163 04 0349 Reading Berkshire RG7 1PW 5 Rev 2.0 **Download Latest Edition** ## **Tango 20** Active GPS L1 Screw-Mount Puck Antenna with Integrated LNA ## **Electrical** ## **VSWR Vs Frequency** **==> picture [490 x 183] intentionally omitted <==** **----- Start of picture text -----**<br> 3 PTET TTT EETEe<br>PUTT<br>BSTUATOGHTGHTOGTOOTOGTOOITOGTGOTOOTOEGGTOOTOOTE<br>2<br>PETTY T VSWR<br>1575.42 MHz<br>aa<br>VVVAAAAD AAD AA nA ALY V VV V<br>1 EE AAV VV MYSTEVV<br>1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000<br>Frequency (MHz)<br>VSWR<br>**----- End of picture text -----**<br> ## **Return Loss (dB) Vs Frequency** **==> picture [492 x 152] intentionally omitted <==** **----- Start of picture text -----**<br> -10 PELTT TTT TET TEETy<br>a<br>Return Loss (dB)<br>-20<br>VMN AAA 1575.42 MHz<br>FF hay H AA =<br>EAAAWAV O IAETEE<br>SOneeeeee nen eee eee ee [(elt] ele PE<br>-30 SReeeeeeee) 0880 (ee<br>1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000<br>Frequency (MHz)<br>Return Loss (dB)<br>**----- End of picture text -----**<br> sales +44 118 976 9000 email sales@siretta.com web www.siretta.com Siretta Ltd Basingstoke Road Spencers Wood Reading Berkshire RG7 1PW Registered in England No. 08405712 VAT Registration No. GB163 04 0349 6 Rev 2.0 **Download Latest Edition** **Tango 20** Active GPS L1 Screw-Mount Puck Antenna with Integrated LNA ## **RF Zenith** This page presents the RHCP Gain at Zenith and the Axial Ratio at Zenith as a function of frequency. These measurements indicate how well the antenna performs when receiving signals directly from satellites overhead (zenith direction). A higher RHCP gain ensures strong signal reception, while a lower axial ratio signifies better polarization purity for optimal GNSS performance. **==> picture [494 x 397] intentionally omitted <==** **----- Start of picture text -----**<br> RHCP Gain at Zenith Vs Frequency<br>30.00<br>10.00<br>eee<br>-10.00<br>RHCP Gain at Zenith (dBiC)<br>1575.42 MHz<br>-30.00<br>-50.00 ct i HAHhon ,<br>1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000<br>Frequency (MHz)<br>Axial Ratio at Zenith Vs Frequency<br>20.0015.00 OGL HT HAE<br>10.00<br>Axial Ratio at Zenith (dB)<br>1575.42 MHz<br>5.00<br>A F .<br>0.00 eee<br>1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000<br>Frequency (MHz)<br>RHCP Gain at Zenith (dBiC)<br>Axial Ratio at Zenith (dB)<br>**----- End of picture text -----**<br> Siretta Ltd sales +44 118 976 9000 Basingstoke Road email sales@siretta.com Spencers Wood web www.siretta.com Reading Berkshire RG7 1PW Rev 2.0 Registered in England No. 08405712 VAT Registration No. GB163 04 0349 7 Rev 2.0 **Download Latest Edition** **Tango 20** Active GPS L1 Screw-Mount Puck Antenna with Integrated LNA ## **RF Top Hemisphere** The graphs on this page showcase the Average and Peak RHCP Gain in the Top Hemisphere. These measurements assess how effectively the antenna receives signals from satellites positioned in the upper half of the sky. Strong RHCP gain in this region is critical for reliable GNSS reception, especially in environments where satellites may not always be directly overhead. **Average RHCP Top Hemisphere Gain Vs Frequency** **==> picture [410 x 381] intentionally omitted <==** **----- Start of picture text -----**<br> 30.00<br>10.00<br>-10.00<br>-30.00<br>od<br>-50.00 es<br>1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000<br>Frequency (MHz)<br>Peak RHCP Top Hemisphere Gain Vs Frequency<br>30<br>10<br>-10<br>-30 Sa<br>-50 ee<br>1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000<br>Frequency (MHz)<br>Average RHCP Top Hemisphere Gain (dBi)<br>Peak RHCP Top Hemisphere Gain (dBiC)<br>**----- End of picture text -----**<br> **==> picture [66 x 17] intentionally omitted <==** **----- Start of picture text -----**<br> Average RHCP Gain (dBi)<br>1575.42 MHz<br>**----- End of picture text -----**<br> **==> picture [60 x 17] intentionally omitted <==** **----- Start of picture text -----**<br> Peak RHCP Gain (dBiC)<br>1575.42 MHz<br>**----- End of picture text -----**<br> Siretta Ltd sales +44 118 976 9000 Basingstoke Road email sales@siretta.com Spencers Wood web www.siretta.com Reading Berkshire RG7 1PW Rev 2.0 Registered in England No. 08405712 VAT Registration No. GB163 04 0349 8 Rev 2.0 **Download Latest Edition** Active GPS L1 Screw-Mount Puck Antenna with Integrated LNA ## **Tango 20** ## **RF Spherical** This page displays the Average and Peak RHCP Gain across the entire spherical coverage of the antenna. These metrics provide a comprehensive view of the antenna’s ability to receive signals from satellites at all elevations and directions. Consistently high gain across the sphere ensures strong and stable GNSS reception in a variety of operating conditions. ## **Average RHCP Spherical Gain Vs Frequency** **==> picture [494 x 378] intentionally omitted <==** **----- Start of picture text -----**<br> 30.00<br>10.00<br>SHEERHee EEE<br>-10.00<br>Average RHCP Gain (dBi)<br>1575.42 MHz<br>-30.00<br>-50.00<br>ESP aeseac aeeae erect<br>1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000<br>Frequency (MHz)<br>Peak RHCP Spherical Gain Vs Frequency<br>30<br>10<br>SEEGERS<br>-10<br>Peak RHCP Gain (dBiC)<br>1575.42 MHz<br>-30<br>Sea aerateEEEpaeenetes!EEE =<br>-50<br>ceceaetct Tia atet<br>1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000<br>Frequency (MHz)<br>Average RHCP Sperical Gain (dBi)<br>Peak RHCP Sperical Gain (dBiC)<br>**----- End of picture text -----**<br> Siretta Ltd Basingstoke Road Spencers Wood Reading Berkshire RG7 1PW sales +44 118 976 9000 email sales@siretta.com web www.siretta.com Registered in England No. 08405712 VAT Registration No. GB163 04 0349 9 Rev 2.0 **Download Latest Edition** ## **Tango 20** Active GPS L1 Screw-Mount Puck Antenna with Integrated LNA ## **Test Setup (in ⌀ 200 mm Ground Plane)** Siretta Ltd sales +44 118 976 9000 Basingstoke Road email sales@siretta.com Spencers Wood web www.siretta.com Reading Berkshire RG7 1PW Rev 2.0 Oo 10 Registered in England No. 08405712 VAT Registration No. GB163 04 0349 **Download Latest Edition** ~~ao~~ ## **Tango 20** Active GPS L1 Screw-Mount Puck Antenna with Integrated LNA ## **2D Radiation Plots (1575.42 MHz)** **==> picture [366 x 7] intentionally omitted <==** **----- Start of picture text -----**<br> XY XZ YZ<br>**----- End of picture text -----**<br> ## **3D Radiation Plot (1575.42 MHz)** **NOTE** : All 3D radiation plots are shown with Theta = 45 and Phi = 45. ## **Ordering Details:** Part Number Description TANGO20/3M/SMAM/S/S/26 GPS L1 Puck Antenna with SMA Male Connector and 3 m RG174 cable _Alternative cable lengths and connector types can be specified for high-volume projects. Please email -_ _**siretta@sales.com**_ Registered in England No. 08405712 Siretta Ltd sales +44 118 976 9000 Basingstoke Road email sales@siretta.com Spencers Wood web www.siretta.com Reading Berkshire RG7 1PW Rev 2.0 11 |_| VAT Registration No. GB163 04 0349 **Download Latest Edition** ~~Se~~
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.
About Novapart
Novapart is a B2B electronic component broker specialising in stock shortages and cost reduction. We source hard-to-find parts and identify compliant alternatives across a catalogue of 410,000+ components from 500+ manufacturers.
Learn more →Stock Shortage Specialist
When a component is unavailable, discontinued or has an unacceptable lead time, we tap into our network of vetted European and Asian distributors to source what you need — without compromising on quality or traceability.
Request a quote →Compliant Alternatives
We identify pin-to-pin, electrically equivalent substitutes that meet the same certifications (RoHS, AEC-Q100, REACH) as your original specification — validated against datasheets, not just part numbers. Often at a lower cost.
BOM Analysis service →