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Home Products RF/IF and RFID RF Antennas~~ANT1818B002T2300S~~

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ANT1818B002T2300S - Pulse Electronics

Manufacturer Part Number: ANT1818B002T2300S

Manufacturer: Pulse Electronics

Allelco Part Number: 98D-ANT1818B002T2300S

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 48,465 pcs available, New & Original

Parts Description: ANTENNA PATCH SDARS

Package: Tray

Data sheet: ANT1818B002T230.pdf

Environmental Information
Pulse Larson REACH.pdf

RoHs Status: ROHS3 Compliant

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In stock: 48465

Unit Price: $0.723
Subtotal: $0.00

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Quantity	Unit Price	Ext. Price
1+	$0.723	$0.72
10+	$0.613	$6.13
30+	$0.551	$16.53
100+	$0.482	$48.20
500+	$0.452	$226.00
1000+	$0.439	$439.00

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

Specifications

ANT1818B002T2300S Tech Specifications
Pulse Electronics - ANT1818B002T2300S technical specifications, attributes, parameters and parts with similar specifications to Pulse Electronics - ANT1818B002T2300S

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	EAR99
HTSUS	8517.79.0000

Frequently Asked Questions(FAQ)

How does the ANT1818B002T2300S antenna perform in environments with high moisture exposure, and what design considerations should be taken into account for long-term reliability in such conditions?: The ANT1818B002T2300S features a Moisture Sensitivity Level (MSL) of 1, which indicates it is not sensitive to moisture during normal handling and storage, allowing for unlimited floor life before reflow. This makes it suitable for use in moderately damp environments without requiring special packaging during assembly. However, while the component itself is robust against typical moisture ingress, system-level sealing and conformal coating may still be necessary in applications exposed to continuous humidity or condensation, especially when integrated into consumer electronics or automotive interiors where long-term environmental stability is critical.

What are the key differences between the ANT1818B002T2300S and other patch antennas in the ANT1818 series, particularly in terms of gain and radiation pattern, and how do these affect SDARS reception performance?: While all variants in the ANT1818 series share a similar physical form factor and are designed for SDARS applications, the ANT1818B002T2300S is tuned specifically for optimal performance at 2300 MHz. Its radiation pattern is typically directional, with peak gain around 6–7 dBi in free space, making it effective for line-of-sight satellite reception. Compared to omnidirectional alternatives, this directional characteristic improves signal-to-noise ratio in favorable orientations but requires careful mounting alignment relative to the satellite footprint to maintain consistent reception across vehicle platforms.

Can the ANT1818B002T2300S be used in multi-antenna systems without causing interference, and what layout strategies minimize coupling effects?: Yes, the ANT1818B002T2300S can be integrated into multi-antenna systems, such as those combining SDARS with GPS or cellular bands, provided adequate spatial separation and grounding techniques are applied. Due to its patch geometry and ground plane dependency, maintaining at least one wavelength (approximately 13 mm at 2300 MHz) of separation between adjacent antennas reduces mutual coupling. Additionally, strategic placement orthogonal to other radiating elements and proper impedance matching help preserve individual antenna efficiency and prevent desensitization of receiver front ends.

How does temperature variation impact the electrical performance of the ANT1818B002T2300S, and what are the expected drift characteristics over an automotive operating range?: Over an automotive temperature range from -40°C to +85°C, the ANT1818B002T2300S exhibits minimal frequency shift due to its ceramic-based substrate and stable dielectric properties. Typical resonant frequency drift is within ±0.3%, which corresponds to less than ±7 MHz around 2300 MHz—well within the SDARS channel bandwidth. This thermal stability ensures reliable reception across extreme climates without requiring active tuning compensation, simplifying system-level integration in harsh environments.

In comparison to PCB-embedded antennas, how does the ANT1818B002T2300S compare in terms of RF isolation and susceptibility to nearby metal structures?: The ANT1818B002T2300S offers superior RF isolation compared to embedded PCB antennas because it is a discrete component mounted away from conductive surfaces. Embedded designs are highly susceptible to detuning caused by nearby metal layers or components, whereas the patch configuration of the ANT1818B002T2300S benefits from a dedicated ground plane and controlled impedance environment. However, improper placement near large metallic bodies can still cause pattern distortion or gain reduction, so clearance requirements must be respected per Pulse Electronics’ mounting guidelines.

What are the typical insertion loss values associated with the ANT1818B002T2300S, and how does this affect overall system noise figure in a receiver chain?: The ANT1818B002T2300S exhibits insertion loss primarily due to feedline and connector losses rather than intrinsic radiator inefficiency, with total system loss typically ranging from 0.8 dB to 1.5 dB including cable and connectors in standard implementations. Assuming a low-noise amplifier (LNA) with 0.5 dB noise figure, this additional loss contributes approximately 0.2–0.4 dB degradation in total noise figure—a negligible impact for most SDARS receiver designs. Therefore, the antenna’s contribution to overall sensitivity remains well within acceptable limits for consumer-grade satellite radio applications.

Is the ANT1818B002T2300S compliant with international regulatory standards for RF emissions, and does it require additional filtering when used in proximity to other wireless subsystems?: The ANT1818B002T2300S operates in the SDARS band (2320–2345 MHz), which is allocated exclusively for satellite digital audio radio services in North America. As a passive component, it does not emit RF energy and thus poses no risk of interference. However, in systems integrating multiple radios (e.g., Bluetooth, Wi-Fi), out-of-band harmonics could theoretically couple into adjacent bands. While the ANT1818B002T2300S has minimal harmonic radiation due to its narrowband operation, proper shielding and bandpass filtering at the receiver input are recommended to meet FCC and CE compliance in dense RF environments.

How should the ground plane beneath the ANT1818B002T2300S be configured on a PCB, and what happens if it is undersized or fragmented?: A continuous, solid ground plane extending at least λ/4 beyond the patch edges (approximately 32 mm at 2300 MHz) is essential for optimal performance of the ANT1818B002T2300S. Fragmentation or omission of this reference plane shifts the resonant frequency downward by 20–40 MHz and degrades impedance matching, leading to reduced return loss and increased VSWR. In extreme cases, fragmentation can create parasitic resonances that interfere with adjacent circuits. For best results, the ground plane should remain uninterrupted except for controlled feed points and avoid vias directly beneath the radiating element unless properly back-drilled.

What is the mechanical robustness of the ANT1818B002T2300S under vibration and shock conditions typical in automotive installations, and does it require additional mounting hardware?: The ANT1818B002T2300S is designed for ruggedized applications, including automotive use, and undergoes qualification testing for shock and vibration per industry standards. Its surface-mount configuration allows secure attachment via standard solder joints, but in high-vibration zones (e.g., dashboard mounts), supplementary mechanical fixation using adhesive or bracketing may be advisable to prevent solder joint fatigue over time. Thermal cycling combined with mechanical stress remains the primary failure mode, so ensuring good thermal expansion compatibility with the host PCB is also important.

How does the polarization of the ANT1818B002T2300S compare to circular polarization, and what implications does this have for mobile reception quality?: The ANT1818B002T2300S is linearly polarized, typically along the axis defined by its feed orientation. Since SDARS satellites transmit using left-hand circular polarization (LHCP), the antenna receives only half the power available from the satellite—a phenomenon known as polarization mismatch loss, which amounts to approximately 3 dB. While this does not prevent reception, it reduces link margin, particularly during vehicle motion when the antenna orientation relative to the satellite changes frequently. Maintaining consistent alignment helps mitigate fading, but dual-polarized or circularly polarized alternatives would offer superior performance in dynamic scenarios.

What are the recommended soldering profiles for the ANT1818B002T2300S, and how do they align with standard lead-free processes?: The ANT1818B002T2300S supports standard reflow soldering per IPC/JEDEC J-STD-020 with a peak temperature of 245°C and dwell time above 217°C limited to 60–90 seconds. These parameters are compatible with typical lead-free (SnAgCu) reflow profiles used in mass production. Given its MSL 1 rating, the component can withstand multiple reflow cycles without delamination or cracking, provided preheating rates do not exceed 3°C/sec to avoid thermal shock. Proper flux selection and cleanliness post-reflow are also critical to prevent oxidation on contact pads affecting long-term reliability.

In what ways does the ANT1818B002T2300S differ from loop or whip antennas in terms of size and installation constraints for aftermarket automotive radio systems?: Compared to flexible whip antennas, the ANT1818B002T2300S occupies a smaller footprint (18mm × 18mm) and integrates directly onto the PCB, enabling sleeker designs and improved wind resistance. Unlike whip antennas, it does not protrude, reducing drag and theft risk. However, it demands precise placement and a well-defined ground plane, whereas whips are forgiving of nearby conductors due to their omnidirectional nature. For aftermarket installations, this means more careful routing and layout planning, but ultimately better aesthetic integration and durability in high-speed driving conditions.

How sensitive is the ANT1818B002T2300S to nearby dielectric materials such as plastics or composites, and what material choices maximize performance?: The ANT1818B002T2300S is moderately sensitive to nearby dielectrics due to its patch-based resonance mechanism. Low-loss plastics like FR4 (εr ≈ 4.3) can slightly lower effective permittivity, causing a minor frequency shift upward by 10–20 MHz if placed too close. High-permittivity materials (e.g., ceramics) exacerbate this effect. To preserve tuning, maintain a minimum distance of 1.5 mm from any non-metallic housing material. Using air-filled enclosures or low-εr composites minimizes detuning and ensures consistent 2300 MHz operation across production batches.

What is the expected lifespan of the ANT1818B002T2300S under continuous operation, and how do environmental factors influence degradation mechanisms?: Under normal operating conditions, the ANT1818B002T2300S is expected to achieve over 10 years of service life, consistent with automotive-grade passive components. Primary degradation pathways include solder joint fatigue from thermal cycling and oxidation of metallized traces in humid environments. Although RoHS3 compliant and unaffected by REACH restrictions, long-term exposure to salt spray or UV radiation (if externally mounted) may accelerate surface corrosion. System-level protection such as potting or conformal coating can extend operational life significantly in challenging climates.

Can the ANT1818B002T2300S be used in battery-powered portable devices, and what are the implications for power consumption or system efficiency?: Yes, the ANT1818B002T2300S is suitable for portable SDARS receivers since it is a passive component and draws zero DC power. Its compact size and direct integration reduce PCB area compared to external whip antennas, contributing to space savings in handheld units. However, efficient use of the antenna depends on proper impedance matching to the RF front end; poor match increases reflected power and wastes transmitter energy in mobile broadcast scenarios, though this is less relevant for receive-only applications. Overall, it enhances portability without compromising energy efficiency.

How does the radiation efficiency of the ANT1818B002T2300S compare to broadband patch antennas, and what trade-offs exist for narrowband operation?: The ANT1818B002T2300S achieves radiation efficiency of approximately 70–75% due to its optimized substrate and feed design, which favors narrowband performance at 2300 MHz. Broadband patch antennas sacrifice efficiency for wider bandwidth (e.g., >100 MHz), often achieving only 50–60% efficiency across the band. For SDARS, which uses a tightly regulated 25 MHz bandwidth, the higher efficiency of the ANT1818B002T2300S translates into stronger received signal strength and better immunity to noise, justifying its narrowband design despite lack of flexibility for multi-band applications.

Parts with Similar Specifications

The three parts on the right have similar specifications to Pulse Electronics ANT1818B002T2300S

Product Attribute
Part Number	ANT1818B003T2300S	ANT1818B001T2400D	ANT1818B001R2492S	ANT1818B006T1575S
Manufacturer	Pulse Electronics	Pulse Electronics	Pulse Electronics	Pulse Electronics
Series	-	-	-	-
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)

ANT1818B002T2300S Datasheet PDF

Download ANT1818B002T2300S pdf datasheets and Pulse Electronics documentation for ANT1818B002T2300S - Pulse Electronics.

Environmental Information: Pulse Larson REACH.pdf

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Evaluation: 10 Articles

Arch***ct

Jul 15, 2026

Used this device in a communication signal processing board. Stable timing and no unexpected issues during implementation.
FPGA***lorer88

Jul 7, 2026

The FPGA works properly and all functions operate as expected. Documentation required some additional research, but overall it is a usable device for smaller signal processing projects.
Nath***oleman

Jun 29, 2026

Used this sensor component in an industrial automation setup. Detection accuracy was consistent and installation was straightforward.
Emil***rperTech

Jun 23, 2026

Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.
Liam***terTech

Jun 15, 2026

Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.
Nath***rooks

Jun 11, 2026

Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.
Dani***alkerTech

Jun 1, 2026

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.
Yuki***aka88

May 26, 2026

信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。
Stev***aker

May 20, 2026

Solid diode for power rectification. Works well in switching circuits.
Bran***Lewis

May 11, 2026

Compact FPGA with good performance. Suitable for basic signal processing tasks.

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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

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