General Resources
Classes
Looking for a license class? The ARRL has several online resources available on their Licensing, Education & Training page, including an Amateur Radio License Class search.
Exams
When you're ready to take an exam, use ARRL's Exam Session Search to find an exam session near you.
The Laurel VEC also offers exams at no cost. Check out their site for a list of upcoming exams.
Haisenkeji !new! May 2026
: These standards offer improved range (up to 15 meters) and better connection stability compared to older generations.
While HaisenKeji operates as a manufacturer and exporter, their products are most commonly found through major international retailers:
: Support for aptX HD , aptX Low Latency (LL) , and aptX Adaptive allows users to customize their audio experience based on whether they prioritize sound quality or synchronization. Market Presence haisenkeji
: Enthusiasts often share third-party "Assistant" software or firmware updates on technical forums to unlock deeper settings, such as bitrate adjustments and codec forcing. Why It Matters to Audiophiles
: Often listed under various store names like the HTXHKEJI Laptop Parts Store or generic electronics outlets. : These standards offer improved range (up to
: Their adapters are specifically engineered to support Qualcomm QCC chips (like the QCC3040), enabling low-latency (40ms) and high-resolution audio transmission.
: Most units function as external sound cards, requiring no additional drivers on major operating systems or gaming consoles. Why It Matters to Audiophiles : Often listed
: Many of their transmitters are marketed toward PlayStation (PS4/PS5) and Nintendo Switch users who require stable, lag-free audio for competitive gaming. Technical Capabilities Products from HaisenKeji typically feature:
Standard Bluetooth on most computers is often limited to basic codecs like SBC or AAC. HaisenKeji provides a cost-effective way to utilize the full potential of high-end Bluetooth headphones (like those from Sony, Bose, or Sennheiser) by ensuring the transmitter matches the advanced hardware capabilities of the headset.
General Exam (2023-2027)
The ARRL General Class License Manual (10th Edition)
This book gives in-depth information on the concepts you need to know to pass your General exam.
Buy from Amazon:
Spiral Bound
ARRL's General Q&A (7th Edition)
This book lists each question on the exam, the correct answer and a brief explanation of why the answer is correct.
Buy from Amazon:
Paperback
Pass Your Amateur Radio General Class Test - The Easy Way: 2023-2027 Edition
This book lists each question on the exam, the correct answer and a brief explanation of why the answer is correct.
Buy from Amazon:
Paperback
Extra Exam (2024-2028)
The ARRL Extra Class License Manual - 13th Edition
This book gives in-depth information on the concepts you need to know to pass your Extra exam.
Order from Amazon:
Spiral Bound
ARRL's Extra Q&A - 6th Edition
This book lists each question on the exam, the correct answer and a brief explanation of why the answer is correct.
Order from Amazon:
Paperback
Pass Your Amateur Radio Extra Class Test - The Easy Way (2024-2028 Edition)
This book lists each question on the exam, the correct answer and a brief explanation of why the answer is correct.
Buy from Amazon:
Paperback |
Kindle