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Product · Model 44D-LX
RF Wattmeter Model 44D-LX
Frequency Range: 118-960 MHz Extended Battery Life & Rapid Charging – Provides up to 8 hours of operation with an internal battery. 8.4V DC charger and cabl…
118–960 MHz
$3,950.00
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Event · October 18, 2026 – October 21, 2026
California APCO Annual State Conference 2026
Telewave.io is exhibiting at Booth 407 at the California APCO State Conference in San Diego, CA. Check back here for more details! The Northern and Southern California Chapters of APCO International a…
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Technical references for engineers — RF system design, calculations, and component selection guides.

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RF System Design for Emergency Response: When Failure is Not an Option January 29, 2025 › About Us › Articles › Application Notes › RF System Design for Emergency Response: When Failure is Not an Option RF...Read More...
The Value of Training in Land Mobile Radio Communications November 13, 2024 › About Us › Articles › Application Notes › The Value of Training in Land Mobile Radio Communications The Value of Training...Read More...
Telewave.io’s Tower Top Amplifiers and Preselectors: Enhancing Radio Communication Performance October 28, 2024 › About Us › Articles › Application Notes › Telewave.io’s Tower Top Amplifiers and Preselectors: Enhancing Radio Communication Performance Telewave.io’s Tower Top...Read More...
Why Certain Products Require RX Frequencies October 15, 2024 › About Us › Articles › Application Notes › Why Certain Products Require RX Frequencies Why Certain Products Require RX Frequencies Factory...Read More...
How Land Mobile Radio Duplexers Work and What to Know About Duplexers October 2, 2024 › About Us › Articles › Application Notes › How Land Mobile Radio Duplexers Work and What to Know About Duplexers How...Read More...
Telewave.io Passive Intermodulation September 17, 2024 › About Us › Articles › Application Notes › Telewave.io Passive Intermodulation Telewave.io Passive Intermodulation Introduction Intermodulation is a term that everyone...Read More...
Types of Coaxial Terminations (Dry versus Oil-Filled) July 9, 2024 › About Us › Articles › Application Notes › Types of Coaxial Terminations (Dry versus Oil-Filled) Types of Coaxial Terminations (Dry versus...Read More...
RF Digital Wattmeter Basics February 26, 2018 › About Us › Articles › Application Notes › RF Digital Wattmeter Basics RF Digital Wattmeter Basics RF wattmeters are devices that...Read More...
Understanding Antenna Gain February 8, 2018 › About Us › Articles › Application Notes › Understanding Antenna Gain Understanding Antenna Gain Antenna gain indicates how strong a signal...Read More...
RF Analog Wattmeter Basics January 19, 2018 › About Us › Articles › Application Notes › RF Analog Wattmeter Basics RF Analog Wattmeter Basics Wattmeters are used in a...Read More...
An Introduction to Power Dividers, Combiners, and Couplers November 29, 2017 A power divider divides an incoming signal into two (or more) output signals. In the ideal case, a power divider can be considered loss-less,…
RF Ferrite Isolator Basics October 30, 2017 An isolator is a type of non-reciprocal passive network that allows designers the freedom to construct networks where the transmission coefficient in one direction…
Choosing TX and RX Filters October 11, 2017 TX and RX filters select a specific portion of the RF or microwave signal based on the desired frequency, and reject the rest of…
Crossband Couplers September 27, 2017 A crossband coupler is a three-port network that allows transmitters and receivers of different frequency bands to share a single feedline to an antenna.…
Types of Antenna Coatings September 18, 2017 Any time there are RF or any electrical equipment out in the field, it’s going to be subject to a wide range of environmental…
A Brief Guide to Telewave’s Cavity Filters July 31, 2017 Cavity filters are one of many types of Radio Frequency (RF) filters, and are one of the fundamental building blocks of modern communications systems.…
Tips on Navigating Cavity Filter Types, Performance, and Features July 23, 2017 Cavity filters are a type of resonant filter used for either passing desired RF signals within a specified frequency range or rejecting RF signals…
Why New Narrowband Channel Assignments Impact Channel Isolation Requirements July 10, 2017 Why New Narrowband Channel Assignments Impact Filter Q and Channel Isolation Requirements Narrowbanding has been a congestion mitigation challenge since the early 1990’s, and…
Benefits of Intermodulation Suppression Panels for Congested Sites June 26, 2017 It is common for multiple radio and wireless service providers to share communications sites and cell towers, and this proximity often results in spectrum…
How to Select Receiver Distribution Panels – Weighing the Features and Performance Factors June 12, 2017 An ideal telecommunications tower site would have every band in critical industrial, commercial, and public safety spectrum fitted with a dedicated antenna and receive…

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