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Home Products RF/IF and RFID RF Antennas~~ANT1818B002T1516D~~

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ANT1818B002T1516D - Pulse Electronics

Name: Pulse Electronics ANT1818B002T1516D
Brand: Pulse Electronics
SKU: ANT1818B002T1516D
Price: 0.2 USD
Availability: InStock
Rating: 5 (2 reviews)

Manufacturer Part Number: ANT1818B002T1516D

Manufacturer: Pulse Electronics

Allelco Part Number: 98D-ANT1818B002T1516D

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 48,846 pcs available, New & Original

Parts Description: ANTENNA PATCH 1.575/1.602GHZ

Package: Tray

Data sheet: ANT1818B002T151.pdf

Environmental Information
Pulse Larson REACH.pdf

RoHs Status: ROHS3 Compliant

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In stock: 48846

Unit Price: $0.348
Subtotal: $0.00

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Quantity	Unit Price	Ext. Price
1+	$0.348	$0.35
10+	$0.288	$2.88
30+	$0.257	$7.71
300+	$0.228	$68.40
600+	$0.209	$125.40
900+	$0.20	$180.00

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

Specifications

ANT1818B002T1516D Tech Specifications
Pulse Electronics - ANT1818B002T1516D technical specifications, attributes, parameters and parts with similar specifications to Pulse Electronics - ANT1818B002T1516D

Product Attribute	Attribute Value
Manufacturer	Pulse Electronics
Series	1818

Product Attribute	Attribute Value
Package	Tray
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 radiation pattern of the Pulse Electronics ANT1818B002T1516D antenna perform at 1.575 GHz in free space, and what implications does this have for GPS receiver placement in a compact PCB layout?: The ANT1818B002T1516D operates efficiently at 1.575 GHz with a vertically polarized radiation pattern characteristic of patch antennas. Its gain is typically around 3 dBi, and the half-power beamwidth in elevation is approximately 70–80 degrees. This directional behavior means optimal GPS signal acquisition requires alignment with the antenna’s boresight axis. In compact designs, placing the antenna away from conductive planes or metal components prevents detuning, while maintaining clearance of at least λ/4 (~47 mm at 1.575 GHz) ensures minimal ground plane interference.

What are the environmental and regulatory considerations when integrating the ANT1818B002T1516D into a consumer electronics device intended for global markets?: The ANT1818B002T1516D complies with RoHS3 standards, eliminating hazardous substances such as lead, mercury, and cadmium. It is also REACH unaffected, meaning no SVHC (Substances of Very High Concern) content above 0.1% weight by substance. These certifications support market access in the EU and other regions requiring strict compliance. Additionally, its ECCN classification of 7A994 indicates it is subject to certain export controls under U.S. regulations due to potential dual-use in defense or surveillance systems.

How should impedance matching be handled when interfacing the ANT1818B002T1516D with a 50-ohm RF trace on a standard FR4 PCB?: The ANT1818B002T1516D is designed to present a near 50-ohm input impedance at resonance, but real-world parasitics can shift this depending on mounting proximity to ground planes and nearby components. A simple quarter-wave transformer or a low-pass L-match network may be required if mismatch exceeds VSWR of 1.5:1. Careful EM simulation or on-wafer probing is recommended before finalizing matching topology, especially in high-volume production where tolerance stack-up matters.

What is the expected performance degradation of the ANT1818B002T1516D when mounted adjacent to a copper pour or enclosure wall, and how can this be mitigated?: Mounting the ANT1818B002T1516D within 10 mm of a solid copper plane or metallic enclosure can reduce gain by up to 2 dB and distort the radiation pattern due to surface wave excitation. The resonant frequency may also shift by several MHz. Mitigation strategies include using a ground isolation ring, increasing separation to at least one-quarter wavelength, or employing a dielectric spacer to decouple the antenna from the conductor. Simulation tools like HFSS or CST can model these effects accurately.

How does temperature variation affect the operating frequency and efficiency of the Pulse Electronics ANT1818B002T1516D across industrial-grade ranges?: While the datasheet does not specify thermal derating curves, ceramic-based patch antennas like the ANT1818B002T1516D exhibit slight frequency drift with temperature due to permittivity changes in the substrate. Over an industrial range (-40°C to +85°C), resonant frequency shifts are typically less than ±100 kHz, which is negligible for GPS applications. However, solder joint reliability under thermal cycling remains a concern; MSL Level 1 ensures unlimited floor life but demands proper reflow profiling during assembly.

Can the ANT1818B002T1516D support multi-band GNSS reception, and what modifications would be needed to extend coverage beyond GPS L1?: The ANT1818B002T1516D is optimized for GPS L1 (1575.42 MHz) and GLONASS L1 (1602 MHz), with dual-frequency operation possible due to its wideband design. To support Galileo E1 (1575.42 MHz) or BeiDou B1 (1561.098 MHz), the antenna would require retuning—either through substrate selection or via integrated matching networks. However, adding additional passbands increases size and complexity, making a single-element solution impractical for full constellation tracking without filtering or switching.

What are the typical current consumption and power handling characteristics of the ANT1818B002T1516D when driven by a 3.3V GPS module output?: As a passive radiating element, the ANT1818B002T1516D draws virtually no DC current. Power handling is limited by substrate thermal dissipation rather than breakdown voltage; peak power levels above 1 W may cause localized heating and detuning. For typical GPS modules transmitting at <20 dBm (100 mW ERP), the antenna operates well within safe limits. Input return loss should remain below -10 dB across the band to prevent reflected power from damaging the transmitter.

How does the Moisture Sensitivity Level (MSL) of 1 for the ANT1818B002T1516D impact manufacturing process control and shelf-life management?: With MSL Level 1, the Pulse Electronics ANT1818B002T1516D has no moisture absorption concerns and unlimited storage life at ambient conditions. This simplifies inventory management and reduces need for baking prior to reflow. However, users must still follow standard IPC/JEDEC guidelines for handling after package opening, including avoiding prolonged exposure during soldering processes, even though bake cycles are generally unnecessary.

What are the key differences between the ANT1818B002T1516D and similar patch antennas in terms of form factor, mounting requirements, and RF performance trade-offs?: Compared to larger patch arrays or helical antennas, the ANT1818B002T1516D offers a compact footprint ideal for handheld devices but sacrifices beam steering capability and higher gain margins. Unlike flexible antennas, it requires rigid board integration, limiting conformal use cases. However, its integrated ground plane and stable polarization make it more reliable than wire-based solutions in noisy environments. When compared to ceramic chip antennas, it provides better isolation from nearby circuitry but consumes more board real estate.

What precautions should be taken during PCB layout to maintain antenna efficiency and avoid detuning of the ANT1818B002T1516D?: Critical layout practices include minimizing trace length from feedpoint to RF connector or IC, avoiding vias near the radiating edge, and ensuring uninterrupted ground plane beneath the antenna. Keepout zones around the antenna should exclude high-speed digital traces, power regulators, and clock lines to prevent capacitive coupling. Use of guard rings or electromagnetic bandgap structures can further suppress surface currents that degrade radiation efficiency.

Is the ANT1818B002T1516D suitable for use in automotive GNSS applications requiring extended temperature operation and vibration resistance?: While the antenna itself functions reliably across -40°C to +85°C, automotive qualification involves system-level validation including connector durability, solder joint fatigue, and shock/vibration testing. The ceramic substrate provides good mechanical stability, but mounting method becomes critical—adhesive bonding may fail under thermal cycling, whereas screw-mounting risks cracking the patch. For certified automotive use, consult manufacturer application notes and consider secondary retention mechanisms.

How does multipath interference affect signal reception when using the Pulse Electronics ANT1818B002T1516D in urban canyon environments, and can antenna design mitigate this?: In dense urban settings, reflected signals cause phase distortions that degrade pseudorange accuracy. The circularly polarized nature of many GPS signals partially mitigates this, but linear-polarized patches like the ANT1818B002T1516D experience stronger multipath susceptibility. Higher-gain directional patterns help reject off-axis reflections, but at the cost of reduced visibility to satellites below the horizon. Combining this antenna with advanced signal processing algorithms yields better positional accuracy than relying solely on hardware improvements.

Parts with Similar Specifications

The three parts on the right have similar specifications to Pulse Electronics ANT1818B002T1516D

Product Attribute
Part Number	ANT1818B00AT1516S	ANT1818B006T1516S	ANT1818B002T15BDD	ANT1818B003R1516S
Manufacturer	Pulse Electronics	Pulse Electronics	Pulse Electronics	Pulse Electronics
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Series	-	-	-	-
Base Product Number	-	DAC34H84	MAX500	ADS62P42

ANT1818B002T1516D Datasheet PDF

Download ANT1818B002T1516D pdf datasheets and Pulse Electronics documentation for ANT1818B002T1516D - 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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Use our account for the shipment. Refer to the table below for the approximate charges.

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

Delivery Method

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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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Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
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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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ISO 9001: 2015
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