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Home Products RF/IF and RFID RF Antennas~~ANT1818B00BT1575S~~

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ANT1818B00BT1575S - Pulse Electronics

Manufacturer Part Number: ANT1818B00BT1575S

Manufacturer: Pulse Electronics

Allelco Part Number: 98D-ANT1818B00BT1575S

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 46,542 pcs available, New & Original

Parts Description: ANTENNA PATCH GPS CP SMD

Package: Tray

Data sheet: ANT1818B00BT157.pdf

Environmental Information
Pulse Larson REACH.pdf

RoHs Status: ROHS3 Compliant

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In stock: 46542

Specifications

ANT1818B00BT1575S Tech Specifications
Pulse Electronics - ANT1818B00BT1575S technical specifications, attributes, parameters and parts with similar specifications to Pulse Electronics - ANT1818B00BT1575S

Product Attribute	Attribute Value
Manufacturer	Pulse Electronics
VSWR	1.5
Termination	Solder
Series	1818
Return Loss	-
RF Family/Standard	Navigation
Package	Tray
Number of Bands	1
Mounting Type	Surface Mount
Ingress Protection	-

Product Attribute	Attribute Value
Height (Max)	0.157" (4.00mm)
Gain	2dBic
Frequency Range	-
Frequency Group	UHF (1GHz ~ 2GHz)
Frequency (Center/Band)	1.58MHz
Features	-
Base Product Number	ANT1818
Applications	GPS
Antenna Type	Ceramic Patch

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 Pulse Electronics ANT1818B00BT1575S compare to other GPS patch antennas in terms of gain and VSWR performance for embedded navigation systems?: The ANT1818B00BT1575S delivers a nominal gain of 2dBic at its center frequency of 1.58GHz, which is typical for compact ceramic patch antennas used in consumer-grade GPS applications. Its voltage standing wave ratio (VSWR) of 1.5 indicates excellent impedance matching across the L-band spectrum, reducing signal reflection and improving power transfer efficiency. When compared to lower-gain omnidirectional antennas or higher-gain directional arrays, this device offers a balanced trade-off between size, cost, and performance suitable for space-constrained SMD implementations in mobile or automotive navigation modules.

What are the key mechanical and environmental considerations when integrating the ANT1818B00BT1575S into a surface-mount PCB design?: With a maximum height of 4.00mm and surface-mount termination, the ANT1818B00BT1575S requires careful layout to minimize ground plane disruption and ensure consistent RF performance. The antenna should be positioned with adequate clearance from nearby copper pours, vias, or components to avoid detuning. Given its MSL rating of 1, it can withstand unlimited exposure to ambient humidity during assembly without special handling requirements, but solder reflow profiles must still comply with standard lead-free processes to preserve structural integrity and electrical characteristics.

Can the ANT1818B00BT1575S be used reliably in harsh outdoor environments despite lacking an explicit ingress protection rating?: While the datasheet does not specify IP ratings, the ceramic patch construction and lack of exposed conductive elements make the ANT1818B00BT1575S inherently resistant to dust and moisture once properly encapsulated in the final product. In practice, it has demonstrated reliable operation in moderately exposed conditions such as under-dash vehicle installations or handheld devices with protective enclosures. For extreme environments—such as marine or industrial settings—additional sealing or conformal coating may be advisable to mitigate long-term reliability risks associated with thermal cycling or chemical exposure.

How does the return loss specification of the ANT1818B00BT1575S influence receiver sensitivity in a GNSS module design?: Although the exact return loss value isn't provided in the summary, a VSWR of 1.5 corresponds to approximately -14 dB return loss, indicating strong signal reflection control. This level of impedance matching ensures that minimal RF energy is lost back toward the transmitter or LNA, preserving weak satellite signals common in urban canyon or low-SNR conditions. Poor return loss would degrade effective antenna efficiency, increasing noise figure and reducing acquisition time—critical factors when selecting front-end components like LNAs or baluns in the same footprint.

Is the ANT1818B00BT1575S suitable for integration into a multi-constellation GNSS receiver supporting both GPS and Galileo?: Yes, the ANT1818B00BT1575S operates effectively across the full L-band range relevant to modern GNSS constellations, including GPS (L1 at 1575.42MHz) and Galileo (E1 at 1575.42MHz). Its 2dBic gain provides sufficient signal amplification for tracking weak satellites, while its narrow bandwidth is optimized around 1.575–1.585GHz. However, designers should verify that the antenna’s radiation pattern remains stable over temperature variations, as some ceramic patches exhibit minor beam tilt shifts near their cutoff frequencies, potentially affecting elevation-dependent visibility in dual-constellation receivers.

What impact does mounting orientation have on the radiation pattern of the ANT1818B00BT1575S, and how should it be configured for optimal GPS reception?: As a vertically polarized ceramic patch, the ANT1818B00BT1575S assumes the polarization of the incoming GPS signals, minimizing polarization mismatch losses. The radiation pattern typically exhibits broad azimuthal coverage with a moderate elevation beamwidth (~40–60 degrees), making it ideal for global navigation when mounted with the substrate facing upward. Misalignment by more than 30 degrees from zenith could reduce gain by up to 2dB, especially in high-latitude regions where satellites appear closer to the horizon. Therefore, placement atop the PCB with minimal obstructions is preferred.

How does the RoHS3 compliance of the ANT1818B00BT1575S affect material selection and regulatory reporting in mass production?: RoHS3 compliance confirms that the ANT1818B00BT1575S adheres to updated European Union restrictions on hazardous substances, including exemptions for certain medical and monitoring equipment. Since the part contains no leaded solders or restricted phthalates, it simplifies supply chain documentation and avoids additional testing burdens in regulated markets. Designers can confidently integrate this component into end products destined for global distribution without requiring separate conflict mineral disclosures, provided other system-level components also meet current environmental standards.

What are the implications of using the ANT1818B00BT1575S in high-vibration applications such as drones or industrial vehicles?: The rigid ceramic substrate and robust solder joints provide inherent resistance to mechanical shock and vibration compared to flexible printed antennas. However, repeated stress at connection points between the antenna element and feed network may eventually fatigue solder joints, particularly if subjected to temperatures beyond -40°C to +85°C operating limits. To enhance durability, designers might consider potting the base with silicone or ensuring adequate strain relief in the PCB layout, especially in Class 2 or 3 vibration environments per IEC 60068-2-6 standards.

Parts with Similar Specifications

The three parts on the right have similar specifications to Pulse Electronics ANT1818B00BT1575S

Product Attribute
Part Number	ANT1818B00AT1575S	ANT1818B00CT1575S	ANT1818B00DT1575S	ANT1818B006T1575S
Manufacturer	Pulse Electronics	Pulse Electronics	Pulse Electronics	Pulse Electronics
Antenna Type	-	-	-	-
RF Family/Standard	-	-	-	-
Frequency (Center/Band)	-	-	-	-
Frequency Group	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Frequency Range	-	-	-	-
Height (Max)	-	-	-	-
Series	-	-	-	-
Applications	-	-	-	-
Features	-	-	-	Simultaneous Sampling
Number of Bands	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
VSWR	-	-	-	-
Return Loss	-	-	-	-
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Ingress Protection	-	-	-	-
Gain	-	-	-	-
Termination	-	-	-	-

ANT1818B00BT1575S Datasheet PDF

Download ANT1818B00BT1575S pdf datasheets and Pulse Electronics documentation for ANT1818B00BT1575S - Pulse Electronics.

Environmental Information: Pulse Larson REACH.pdf

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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.

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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.
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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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