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Log periodic array (LPA) antennas are essential for achieving wideband reception across various frequencies. Whether for broadcast television, amateur radio, or signal monitoring, selecting the appropriate LPA ensures optimal performance and signal clarity. Understanding key specifications will help you find an antenna that meets your specific needs.
Ultra-Wideband Printed LPA Antenna: The ZA048 is a optimized printed Log-Periodic Dipole Array Antenna (LDPA) for RF testing and signal monitoring. It delivers reliable ultra-wide frequency coverage from 400MHz to 8GHz, suitable for radio testing and...
Stable RF Performance: With a rated 50Ω input impedance matched to standard RF equipment, this antenna delivers consistent performance across bands. In most bands above 1GHz, it achieves return loss of approx. 10dB or less with a VSWR of around 2. In the...
Handheld Radio Direction Finding: It supports general-purpose radio direction finding from 1GHz to 8.5GHz. When held single-handedly, it provides decent directional sensitivity to signal sources — simply rotate your body and the antenna to observe...
Optimized for tinySA ULTRA Spectrum Analyzer: Engineered to pair with the tinySA ULTRA spectrum analyzer, this antenna turns your portable test device into a complete mobile RF measurement and direction finding kit. Its 50Ω impedance matches the...
Compact Form Factor with Balanced Design: Through optimized design techniques, the antenna achieves wideband performance in a compact 27×23cm footprint. The design prioritizes low-frequency matching and directionality as much as possible within size...
Packing List: ZA-048 Log-Periodic Dipole Array Antenna 1set (Tinysa ultra NOT included). The included adjustable mounting bracket is compatible with 2.8-inch TinySA and 4-inch TinySA Ultra+ models (ZS405 / ZS406 / ZS407). Once installed, it enables...
ZA-048 Log-Periodic Antenna: The ZA-048 is a printed Log-Periodic Dipole Array (LPDA) antenna. Optimized design techniques significantly reduce its size, making it compatible with the TinySA ULTRA+ZS406/ZS407 spectrum analyzer.It can also be used for...
Wide Frequency Range: This antenna is equipped with an ultra-wide operating band of 400 MHz-8 GHz, achieving continuous coverage from low to high frequencies. It supports wide-range spectrum scanning, spatial interference investigation and on-site signal...
Impedance & VSWR Characteristics: The antenna features a nominal input impedance of 50Ω, and its return loss will fluctuate when connected to a 50Ω signal source. In most frequency bands above 1 GHz, the return loss is about 10dB or lower with a...
Direction-Finding Performance: The ZA-048 Log-Periodic Dipole Array Antenna is designed for radio direction finding within the frequency range of 1 GHz to 8.5 GHz, making it suitable for applications that require moderate precision. When the antenna is...
Stable Tripod Bracket: This LPDA antenna features a tripod support structure. The included adjustable clamp is compatible with 2.8 Inch TinySA and 4 Inch TinySA Ultra+ ZS405/ZS406/ZS407 models. Once installed, it creates a professional setup for RF signal...
Portable and Compact Design: This wideband LPDA antenna is compact and easy to carry, making it ideal for outdoor mobile testing. If you need a broadband antenna that is highly compatible with your TinySA and convenient for on-the-go use, this is a great...
Passive Design: This log periodic outdoor antenna adopts passive design, does not need external power supply, easy to install and use. Adopting handheld design, this antenna is small and convenient for users to carry and use.
Multiple Band Supported: The log periodic antenna can cover a wide bandwidth of 0.1‑12GHz, making it adaptable to the signal measurement needs of different frequency bands, as well as reducing the number of components and complexity in the system...
Multifunctional: This directional antenna is multifunctional, it can realize the measurement of signal directionality and angle information, it can be used to determine the direction of the source of the signal, with strong directionality, it can on...
High Gain: This log periodic directional antenna has high gain, which can enhance the reception sensitivity and transmission power of the signal, improve the communication quality, which is very practical.
Wide Application: This direction finding antenna has a wide range of applications in the field of communicating, , radio reconnaissance, etc. It is especially suitable for the scenarios that need to measure the direction of signals in multiple frequency...
The -048 Log-Periodic Dipole Array Antenna is designed for reception across a wide frequency range. Weighing in at just 370.0g, this antenna is yet robust, making it ideal for various applications including communication, broadcasting, and research. The...
Its and weather- construction means it can withstand the elements, making it suitable for outdoor use.
Whether you're setting up a temporary communication system or enhancing your existing setup, the -048 antenna provides the reliability and performance you need. With its easy installation process, you can quickly mount it in your desired location and...
This antenna is perfect for both amateur radio enthusiasts and professionals looking for a dependable solution to their signal reception needs. Upgrade your communication capabilities with the -048 Log-Periodic Dipole Array Antenna and experience the...
Standing Height: Compact low-profile design stands under 2.5 inches tall for discreet indoor or vehicle-mounted deployment without visual obstruction or spatial conflict
Directional Polarization: Directional line polarization delivers focused signal alignment ideal for point-to-point wireless links in office, warehouse, or outdoor bridge applications
SMA Connector: SMA connector ensures secure, repeatable RF interface compatibility with common transceivers, routers, and test equipment across commercial and industrial use
15W Power Handling: 15W RF power capacity supports sustained transmission in mid-range wireless communication systems without thermal derating or signal compression
10.5 x 8 x 0.1 cm Dimensions: Physical footprint measures approximately 4.1 x 3.1 x 0.04 inches enabling flush mounting on control panels, enclosures, or compact IoT gateways with minimal space allocation
【Wide Frequency Range】This LPDA log-periodic dipole array antenna covers 400MHz-8GHz, making it suitable for wide range RF signal testing, direction finding, spectrum monitoring, testing, general RF analysis applications and other applications.
【Directional Signal Finding】Designed with strong directivity, this broadband antenna helps identify signal direction and angle information, making it useful for locating RF signal sources across multiple frequency bands, detecting RF signal sources.
【Transmit and Receive Capability】The long range directional antenna supports both signal reception and transmission within its operating range, helping improve signal quality, test coverage, and directional RF performance when connected to compatible...
【Stable Tripod Mounting System】Includes a lightweight tripod stand and adjustable clamp for stable positioning during field testing, lab measurement, trace cell signal, or outdoor use. The compact setup allows easy adjustment of antenna angle and...
【Complete Antenna Kit】Package includes 1 x log periodic outdoor Antenna 400MHz-8GHz, 1 x Lightweight Tripod Stand, 1 x Adjustable Spectrum Analyzer Clamp, and 1 x 20CM RG-142 Connecting Cable with SMA Male (Pin Center) connector. Compatible with...
The Log-Periodic Antenna offers stable wideband coverage across 400MHz-8GHz, with a stan dard 50Ω input impedance
The Log-Periodic Antenna is compatible with the tinySA ULTRA spectrum analyzer, ensures a stable connection and seamless pairing
This Antenna allows for effortless radio direction finding in the 1GHz-8.5GHz. Hold it with one hand, pair it with your spectrum analyzer, and quickly locate signal sources or interference
Parameters: Frequency above 1GHz: Return loss ≤10dB, VSWR ≈2; 400MHz-1GHz: Return loss ≤4.5dB, VSWR ≈4; Frequency below 400MHz: VSWR increases rapidly
The Log-Periodic Antenna is lightweight, compact, and portable, works well with your spectrum analyzer, perfect for field testing, on-site spectrum analysis and direction finding
COMPATIBILITY: Our Directional Antenna is compatible with all US carriers including: AT&T/T-Mobile/Verizon/SPRINT/Straight Talk/U.S. Cellular and many more.Also compatible with 2.4 GHz Wi-Fi and 900 MHz radio systems.
HIGH GAIN: It features up to +10.6 dB gain.High gain increases signal strength and data speeds in areas with marginal coverage.
PREMIUM QUALITY: This universal wide-band Yagi antenna is with N-Female connector that facilitates the transfer of high-frequency information. The female connector can quickly receive large amounts of data and works at radio frequencies in the...
EASY TO INSTALL: Designed for exterior installation, the 4g antenna from features a rugged waterproof structure that’s designed to withstand damage from the elements.
NOTE: This directional antennas must be pointed toward a cell tower.The antenna does not come with mast pole mount; it comes with two U-bolts which can be used with the attached plate for pole mounting. All of our items come with a full year of warranty.
Last update on 2026-09-01 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Log Periodic Array Antennas
Intended Use Cases
LPAs are highly adaptable. For digital TV reception, they can capture a wide spectrum of broadcast channels. Amateur radio operators use them for multi-band communication, while professionals may employ them for spectrum analysis or signal intelligence. Identify your primary use case to narrow down the models that best suit your requirements.
Frequently Asked Questions
What is the main advantage of a log periodic array antenna?
The primary advantage is its consistent performance across a very wide frequency range. This means it can receive or transmit signals effectively on many different bands without needing to be retuned or replaced.
How does an LPA compare to a Yagi antenna?
Yagi antennas are typically more directional and have higher gain on specific frequencies. LPAs, however, offer a much broader frequency response, making them more versatile for multi-band operations where precise directionality isn't the main concern.
Do I need a special amplifier for an LPA?
While an amplifier can boost signal strength for any antenna, it's not inherently required for an LPA. The need for an amplifier depends more on signal strength in your area and the antenna's inherent gain.
Can I use an LPA indoors?
Yes, some smaller LPAs can be used indoors, but performance may be reduced due to obstructions and signal attenuation. For optimal reception, outdoor mounting is generally recommended.
What does 'front-to-back ratio' mean for an LPA?
The front-to-back ratio measures how well the antenna rejects signals coming from the opposite direction of its intended reception. A higher ratio indicates better rejection of unwanted signals from behind.
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