Adafruit 1858 network antenna SMA 2 dBi
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Adafruit 1858 network antenna SMA 2 dBi
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overview
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1858 Overview
This 2.2"/57mm long antenna has 2dBi of gain and 50Ω impedance so it will work fantastically with just about any 850/900/1800/1900/2100 wireless receiver/transmitter such as any Cellular or GSM/GPRS device.
Antenna comes with a Right-angle SMA connector.
Mini GSM/Cellular Quad-Band, 2dBi SMA
- SMA
- 2 dBi
- 0.85 / 0.9 / 1.8 / 1.9 / 2.1 GHz
- 50 Ω
- Vertical polarization
Summary Description
Adafruit 1858, 2 dBi, 0.85 / 0.9 / 1.8 / 1.9 / 2.1 GHz, 50 Ω, SMA, Vertical polarization, -20 - 60 °C
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1858 Specifications
Overview
Manufacturer:
Adafruit
Stock:
In Stock.
Stock updated on:
2024-08-27
Performance
Frequency band
0.85 / 0.9 / 1.8 / 1.9 / 2.1 GHz
Impedance
50 Ω
Antenna gain level (max)
2 dBi
Features
Antenna connector type
SMA
Polarization
Vertical polarization
Voltage Standing Wave Ratio (VSWR)
2.1
Technical details
Compliance certificates
RoHS
Operational conditions
Operating temperature (T-T)
-20 - 60 °C
Storage temperature (T-T)
-30 - 75 °C
Weight & dimensions
Height
57 mm
Weight
8 g
Packaging content
Quantity per pack
1 pc(s)
Frequently Asked Questions
What is the primary function of the Adafruit 1858 2 dBi SMA antenna? +
The Adafruit 1858 is a compact, omnidirectional antenna designed to improve signal reception and transmission for wireless modules equipped with an SMA connector. It provides a gain of 2 dBi, making it an ideal choice for enhancing connectivity in small-scale IoT projects, embedded wireless devices, or short-range networking applications where space is at a premium.
Is the Adafruit 1858 antenna compatible with all SMA-equipped wireless devices? +
This antenna features a standard SMA male connector, making it compatible with a wide range of Wi-Fi, Bluetooth, and cellular modules that utilize an SMA female jack. However, always verify that your specific radio hardware is designed to operate within the frequency range supported by this antenna to ensure optimal impedance matching and prevent signal degradation.
Does the 2 dBi gain rating make this antenna suitable for long-range communication? +
With a 2 dBi gain, this antenna is intended for short-to-medium range wireless communication. It provides a broader, more uniform signal pattern compared to high-gain directional antennas. It is best suited for environments where the wireless module needs to broadcast or receive signals from multiple directions within a room or an localized area.
How do I physically install the Adafruit 1858 antenna on my device? +
Installation is straightforward and requires no tools. Simply align the SMA male connector on the antenna base with the SMA female port on your wireless module or development board. Twist the collar clockwise until it is finger-tight. Ensure the connection is secure to minimize signal loss at the junction point, but avoid overtightening as this can damage the port.
Can the Adafruit 1858 be used in outdoor deployment scenarios? +
The Adafruit 1858 is primarily designed for indoor laboratory or prototyping use. It lacks the ruggedized, weather-resistant casing required for permanent outdoor exposure. If you intend to use this in an outdoor environment, you must house your wireless assembly in a properly rated, weatherproof enclosure that allows the antenna to protrude or remain protected from moisture and dust.
Does this antenna require any software configuration or drivers? +
As a passive component, the Adafruit 1858 does not require any software configuration, firmware updates, or drivers. It functions purely as an electrical transducer for radio frequency signals. Your wireless module's performance will automatically benefit from the improved signal capture once the antenna is physically connected to the RF port.
What is the physical size of the Adafruit 1858 antenna? +
This antenna is designed with a compact form factor to minimize its footprint on your development platform. Its small physical profile makes it highly suitable for projects where you need a low-profile antenna that does not obstruct other components on your PCB or enclosure. Its lightweight construction also prevents stress on the SMA port connection.
How does an omnidirectional antenna like the 1858 differ from a directional one? +
An omnidirectional antenna like the 1858 radiates and receives radio signals in a 360-degree horizontal pattern. This makes it ideal for central nodes where you need to communicate with devices located in various positions around the antenna. In contrast, directional antennas focus signal energy into a specific, narrow beam, which is typically used for point-to-point links over longer distances.
How can I obtain a bulk quote for large volume orders of Adafruit antennas? +
If you are planning a large-scale project or need to stock multiple units, BuyRouterSwitch.com makes the process simple. Navigate to our bulk quote request page or reach out to our dedicated sales team directly. We are experienced in handling high-volume procurement and can provide competitive pricing structures tailored specifically to your project's total quantity requirements.
Why should I choose BuyRouterSwitch.com for my networking and hardware components? +
BuyRouterSwitch.com is a trusted source for industry-standard networking hardware, ensuring that you receive authentic products every time. Our streamlined procurement process and focus on enterprise-grade components make us a reliable partner for your infrastructure needs. By shopping with us, you benefit from a secure, professional purchasing experience designed to keep your projects on schedule and within budget.
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