DELTA20/X/SMAM/RP/S/35
Stubby Antenna, 2.4GHz to 2.5GHz, 1.5 VSWR, 0dBi Gain, 50ohm, Vertical Polarisation, SMA Connector
- Manufacturer: SIRETTA
- Product type:
- Antenna Type:Stubby; Frequency Min:2.4GHz; Frequency Max:2.5GHz; Antenna Mounting:SMA Connector; Gain:0dBi; VSWR:1.5; Input Power:1W; Input Impedance:50ohm; Antenna Polarisation:Vert
- Gain: 0dBi
- SVHC: No SVHC (04-Feb-2026)
- VSWR: 1.5
- Input Power: 1W
- Antenna Type: Stubby
- Frequency Max: 2.5GHz
- Frequency Min: 2.4GHz
- Product Range: Delta
- Input Impedance: 50ohm
- Antenna Mounting: RP SMA Connector
- Antenna Polarisation: Vertical
| Delivery and price | |
|---|---|
| Units per pack | 250 |
| Price | 5.58 € |
| Current stock | 10+ |
| Lead time | 30 days |
**Delta 20** 2.4Ghz 28.5mm stubby WiFi / Bluetooth Antenna ## **Key Features** - 1/4 wave monopole - Groundplane independent - WiFi, Bluetooth and ZigBee compatible ## **General Description** The Delta 20 is a compact, direct connect 2.4GHz stubby antenna commonly used with WiFi, Bluetooth and Zigbee applications. ## **Additional Considerations** - Does not rely on mounting on metallic surface - Omnidirectional radiation - Meets all EU compliance criteria for electronic goods The antenna can be used with IoT industrial modems and routers as well as WiFi modems such as TP-Link and NetGear that operate on the 2.4GHz frequency. This antenna is available with the SMA male and the reverse polarity SMA male connectors. Siretta Ltd sales +44(0)118 976 9014 Basingstoke Road fax +44(0)118 976 9020 Spencers Wood email sales@siretta.com Reading web www.siretta.com Berkshire RG7 1PW Registered in England No. 08405712 VAT Registration No. GB163 04 0349 Rev 1.3 **Delta 20** 2.4Ghz 28.5mm stubby WiFi / Bluetooth Antenna ## **Electrical Specifications** |Impedance:|50 Ohm| |---|---| |Gain:|0dBi| |VSWR:|<1.5| |Frequency:|2.4GHz - 2.5GHz| |Electric Wave:|1/4 monople antenna| ## **Mechanical Specifications** |Dimensions:|L28.5 x W7.9mm Ø| |---|---| |Connector:|SMA Male| |Mounting Method:|Direct Connect| |Operating Temperature:|-35+ 80 °C| |Storage Temperature: -40|Storage Temperature: -40+85 °C| ## **VSWR** Registered in England No. 08405712 VAT Registration No. GB163 04 0349 Siretta Ltd sales +44(0)118 976 9014 Basingstoke Road fax +44(0)118 976 9020 Spencers Wood email sales@siretta.com Reading web www.siretta.com Berkshire RG7 1PW Rev 1.3 ## **Delta 20** 2.4Ghz 28.5mm stubby WiFi / Bluetooth Antenna ## **Return Loss** ## **Radiation Patterns** **==> picture [369 x 8] intentionally omitted <==** **----- Start of picture text -----**<br> XY Plane XZ Plane YZ Plane<br>**----- End of picture text -----**<br> ## **Ordering Details** Part Number Description DELTA20/X/SMAM/RP/S/35 2.4Ghz 28.5mm stubby WiFi / Bluetooth Antenna with SMA Male Reverse Polarity Siretta Ltd sales +44(0)118 976 9014 Basingstoke Road fax +44(0)118 976 9020 Spencers Wood email sales@siretta.com Reading web www.siretta.com Berkshire RG7 1PW Registered in England No. 08405712 VAT Registration No. GB163 04 0349 Rev 1.3
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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