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Home Products RF/IF and RFID RF Antennas~~ANT1818B00AR1575S~~

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ANT1818B00AR1575S - Pulse Electronics

Name: Pulse Electronics ANT1818B00AR1575S
Brand: Pulse Electronics
SKU: ANT1818B00AR1575S
Price: 0.339 USD
Availability: InStock
Rating: 5 (3 reviews)

Manufacturer Part Number: ANT1818B00AR1575S

Manufacturer: Pulse Electronics

Allelco Part Number: 98D-ANT1818B00AR1575S

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 49,280 pcs available, New & Original

Parts Description: ANTENNA PATCH GPS CP SMD

Package: Tape & Reel (TR)

Data sheet: ANT1818B00AR157.pdf

Environmental Information
Pulse Larson REACH.pdf

RoHs Status: ROHS3 Compliant

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In stock: 49280

Unit Price: $0.588
Subtotal: $0.00

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Quantity	Unit Price	Ext. Price
1+	$0.588	$0.59
10+	$0.485	$4.85
30+	$0.434	$13.02
100+	$0.384	$38.40
350+	$0.354	$123.90
1050+	$0.339	$355.95

The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

ANT1818B00AR1575S Tech Specifications
Pulse Electronics - ANT1818B00AR1575S technical specifications, attributes, parameters and parts with similar specifications to Pulse Electronics - ANT1818B00AR1575S

Product Attribute	Attribute Value
Manufacturer	Pulse Electronics
Series	1818

Product Attribute	Attribute Value
Package	Tape & Reel (TR)
Base Product Number	ANT1818

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
ECCN	7A994
HTSUS	8529.10.4040

Frequently Asked Questions(FAQ)

How does the ANT1818B00AR1575S antenna perform in terms of gain and radiation pattern for GPS applications, and what are its key electrical characteristics?: The ANT1818B00AR1575S is optimized for GPS L1 band reception with a typical realized gain of approximately 2.5 dBi in free space under standard test conditions. Its patch design provides a directional radiation pattern suitable for terrestrial GPS applications, offering consistent performance when mounted on a ground plane. Key electrical characteristics include an impedance of 50 ohms and a VSWR typically below 1.5:1 across the GPS frequency range (1575 MHz). This makes it well-suited for compact embedded systems where space and integration are critical, such as automotive telematics or IoT tracking devices.

What are the mechanical and environmental considerations when integrating the ANT1818B00AR1575S into a PCB layout, and how does mounting affect performance?: The ANT1818B00AR1575S is a surface-mount device (SMD) requiring precise placement over a dedicated RF ground plane to function effectively. Its compact size—18 mm × 18 mm footprint—makes it ideal for space-constrained designs, but improper grounding can degrade efficiency and increase return loss. The antenna should be positioned away from noise sources, high-speed signals, and metal components to minimize detuning. Due to its MSL 1 classification, it has no moisture sensitivity concerns during assembly, simplifying manufacturing. Thermal stress during reflow soldering must be managed within standard lead-free profiles to avoid delamination.

How does the ANT1818B00AR1575S compare to chip antennas in terms of size, performance, and suitability for high-precision GNSS applications?: Compared to smaller chip antennas, the ANT1818B00AR1575S offers higher gain and better polarization purity due to its larger radiating element, which improves signal-to-noise ratio in challenging environments. While chip antennas save board space and are easier to integrate, they often sacrifice gain and bandwidth. The ANT1818B00AR1575S, despite its larger footprint, provides superior multipath rejection and stronger signal acquisition in urban canyon scenarios—critical for high-integrity GPS positioning. It is therefore preferred in applications requiring consistent performance across varying satellite geometries and obstructed view conditions.

Can the ANT1818B00AR1575S support multi-GNSS constellations beyond GPS, and what modifications might be needed for GLONASS or Galileo compatibility?: The ANT1818B00AR1575S is primarily designed for GPS L1 at 1575 MHz, which overlaps with GLONASS G1 (~1602 MHz) and Galileo E1 (~1575 MHz). While it operates near the center of the multi-GNSS L1 band, its bandwidth is narrow enough that performance may degrade when receiving signals outside the GPS L1 window. For full multi-GNSS support, a wider bandwidth antenna or additional filtering would be recommended. However, in many practical implementations, the ANT1818B00AR1575S delivers acceptable performance across all four major constellations due to signal overlap, making it a cost-effective choice for basic multi-constellation receivers.

What are the trade-offs in selecting the ANT1818B00AR1575S versus a helical or active antenna for outdoor or high-sensitivity GPS applications?: Helical antennas generally offer higher gain and circular polarization, which can improve signal reception in low-SNR environments, while active antennas include built-in amplification to boost weak satellite signals. The ANT1818B00AR1575S, being passive and unamplified, trades some sensitivity for simplicity, lower power consumption, and reduced complexity. It is well-suited for indoor or moderate outdoor use where satellite visibility is adequate. In contrast, active antennas are better for deep urban or forested areas, whereas helical types offer broader beamwidth. The ANT1818B00AR1575S strikes a balance between size, integration ease, and performance for general-purpose location-aware devices.

How does the RoHS3 compliance and material composition of the ANT1818B00AR1575S impact long-term reliability and regulatory adherence in global markets?: The ANT1818B00AR1575S complies with RoHS3 directives, meaning it meets stricter restrictions on substances like phthalates and includes requirements for PFAS reporting, enhancing environmental safety. Its materials are selected for durability and resistance to oxidation, supporting long-term reliability in consumer and industrial electronics. This compliance ensures the component can be legally deployed in the EU and other regulated regions without risk of non-conformance audits. Additionally, REACH unaffected status indicates minimal supply chain risk regarding SVHC (Substances of Very High Concern) declarations.

What is the impact of nearby conductive materials on the performance of the ANT1818B00AR1575S, and how should enclosure design be managed to preserve antenna efficiency?: Placement near large metallic surfaces, such as battery enclosures or chassis components, can detune the resonant frequency and reduce radiation efficiency of the ANT1818B00AR1575S. This often results in increased VSWR and degraded receiver sensitivity. To mitigate this, a clearance zone of at least λ/4 (~59 mm at 1575 MHz) should be maintained around the antenna, and the PCB ground plane beneath it should remain uninterrupted. Enclosure cutouts or radomes made from non-conductive, low-loss materials help isolate the antenna from environmental interference without significantly affecting performance.

Is the ANT1818B00AR1575S suitable for mass production, and what design considerations ensure consistent yield in high-volume manufacturing?: Yes, the ANT1818B00AR1575S is suitable for high-volume production due to its MSL 1 classification, indicating no special handling requirements for moisture, and its SMD packaging compatibility with standard pick-and-place and reflow processes. Design-for-manufacturing practices—such as maintaining consistent solder paste volume, minimizing stencil aperture variation, and using fiducial markers—are essential for reliable assembly. Pulse Electronics typically provides detailed land patterns and process guidelines to support first-pass yield in contract manufacturing environments.

How does the ANT1818B00AR1575S compare to other antennas in the Pulse Electronics ANT1818 series in terms of frequency coverage and form factor?: The ANT1818B00AR1575S belongs to the ANT1818 series, which shares a common base product number and similar physical dimensions. However, variant-specific tuning allows different models to target various frequency bands, such as GSM or ISM bands. The B00AR1575S variant is specifically tuned for GPS L1 operation, offering narrower bandwidth compared to broader-band versions. All members of the series benefit from the same robust substrate material and solderable termination, ensuring interchangeability in mechanical design while requiring individual tuning for optimal RF performance per application.

What testing methodology is recommended to validate the performance of the ANT1818B00AR1575S in a real-world system before final deployment?: Before final deployment, the antenna should be tested in an anechoic chamber or over-the-air (OTA) setup using a calibrated GPS signal generator and spectrum analyzer to measure realized gain, axial ratio, and radiation efficiency. System-level testing involves measuring time-to-first-fix (TTFF) and position accuracy using a commercial GNSS receiver module connected to the antenna. Additionally, bench testing with a network analyzer helps verify impedance matching and VSWR under actual PCB loading conditions. These steps confirm that the ANT1818B00AR1575S meets performance expectations in the intended operating environment.

Can the ANT1818B00AR1575S be used in wearable devices, and what design constraints apply in ultra-compact form factors?: While the ANT1818B00AR1575S is relatively small for a patch antenna, its 18 mm × 18 mm size may challenge integration in sub-50 mm² wearables. However, in certain slim-profile devices like smartwatches or asset tags, it can fit if the PCB area permits and antenna placement avoids tight bends or metal housings. Careful routing of high-frequency traces and isolation from RF-sensitive circuits are necessary. Its low profile and SMD nature make it more viable than bulkier alternatives, though alternative miniaturized antennas may be preferred in extreme space-limited cases.

What role does ground plane design play in maximizing the efficiency of the ANT1818B00AR1575S, and how does it affect radiation characteristics?: The ANT1818B00AR1575S relies on an effective ground plane beneath its mounting area to act as a reflector, shaping the radiation pattern and improving front-to-back ratio. A solid, uninterrupted copper pour extending at least 10 mm beyond each edge enhances performance. Ground plane discontinuities or slots can disrupt current distribution, leading to reduced gain and distorted radiation lobes. Optimal efficiency is achieved when the ground plane matches the antenna’s electrical size and is isolated from noisy digital sections. Poor grounding increases losses and degrades receiver sensitivity by several dB.

Parts with Similar Specifications

The three parts on the right have similar specifications to Pulse Electronics ANT1818B00AR1575S

Product Attribute
Part Number	ANT1818B00AT1575S	ANT1818B00BT1575S	ANT1818B00DT1575S	ANT1818B00CT1575S
Manufacturer	Pulse Electronics	Pulse Electronics	Pulse Electronics	Pulse Electronics
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Series	-	-	-	-

ANT1818B00AR1575S Datasheet PDF

Download ANT1818B00AR1575S pdf datasheets and Pulse Electronics documentation for ANT1818B00AR1575S - Pulse Electronics.

Environmental Information: Pulse Larson REACH.pdf

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

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(Different time frame / countries / package size has different price.)

Delivery Method

Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

QC (Quality Warranty)
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Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.

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Certifications & Memberships

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ISO 9001: 2015
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