Guide to Bluetooth Channel Selection & RF Testing Modes
Master Bluetooth AFH and RF testing. Learn how Channel Selection Algorithms work, and how to use local/remote loopback modes for hardware validation.
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Showing 1-25 of 3579 articles in this archive.
Bluetooth LE Scanning: Active vs. Passive Scan Explained
What's the difference between Active and Passive Bluetooth scanning? Learn how SCAN_REQ works, when to use each mode, and how to optimize battery life.
Bluetooth LE Extended Advertising Explained for Devs
Explore Bluetooth LE Extended Advertising. Learn how to broadcast larger payloads, use secondary PHY channels, and implement advertising data chaining.
Bluetooth MAC Addresses: Public, Random & Identity Types
Understand Bluetooth LE device addresses. Learn the differences between Public, Random, Resolvable Private Addresses (RPAs), and Identity addresses for privacy.
Bluetooth QoS Explained: Bandwidth, Latency & Link Quality
Discover how Bluetooth Quality of Service (QoS) works. Learn to manage bandwidth, reduce latency, and monitor link quality (RSSI) for stable connections.
Bluetooth MTU vs MPS: Key Differences & Optimization
Discover the key differences between Bluetooth MTU and MPS. Learn how SDU and PDU payload limits impact BLE data throughput and L2CAP segmentation.
Bluetooth HCI Transport interfaces: UART vs USB vs SDIO
Compare Bluetooth HCI transport interfaces viz. UART, USB, and SDIO. Learn their differences in data framing, error handling, power consumption, and best use cases.
Bluetooth AFH Explained: Adaptive Frequency Hopping
Discover how Bluetooth Adaptive Frequency Hopping (AFH) avoids Wi-Fi interference, ensures reliable data transfer, and dynamically maps bad RF channels.
Bluetooth Power Management: Sniff, Hold & Active Modes
Optimize battery life in Bluetooth devices. Explore power management states including Active, Hold, and Sniff modes, plus Sniff Subrating for deep sleep.
Bluetooth ARQ Explained: ACK, NAK & Retransmissions
Master Bluetooth error recovery. Learn how the Automatic Repeat Request (ARQ) system uses ARQN and SEQN bits for ACK/NAK signals and packet retransmissions.
Bluetooth Bit Stream Processing: HEC, CRC, FEC & More
Step by step guide to Bluetooth Bit Stream Processing. Understand how HEC, CRC, Encryption, Data Whitening, and FEC protect and secure wireless packets.
Bluetooth Flow Control: Understanding GO & STOP Bits
Learn how Bluetooth Flow Control uses GO and STOP bits to prevent buffer overflows during data transmission, ensuring smooth asynchronous ACL traffic.
Bluetooth Packets Decoded: Structure, Types & Routing
Dive into Bluetooth BR/EDR packet anatomy. Learn how Access Codes, Headers, Payloads and LT_ADDR ensure precise device routing and data integrity.
Decoding Bluetooth Packet Types: Control, ACL, SCO & eSCO
Master Bluetooth packet sniffing by decoding different packet types. Understand the differences between Control, Discovery, ACL and SCO/eSCO audio packets.
Legacy Pairing vs Secure Connections in Bluetooth
Discover the evolution of Bluetooth security. Compare Legacy Pairing with Secure Connections to see how ECDH and AES cryptography eliminate vulnerabilities.
Bluetooth Logical Transports : ACL vs. SCO vs. eSCO
Learn the key differences between Bluetooth ACL, SCO, and eSCO logical transports. Discover how they handle asynchronous data and synchronous voice streams.
Bluetooth LE Advertising Channels: Primary vs. Secondary vs. Periodic
Discover how Bluetooth LE advertising works. Compare Primary, Secondary, and Periodic channels to optimize device discovery and extended data broadcasting.
Bluetooth LE Isochronous Channels: CIS vs BIS in LE Audio
Master Bluetooth LE Isochronous Channels. Compare Connected (CIS) vs Broadcast (BIS) streams and see how they enable the next generation of LE Audio sharing.
Bluetooth SSP: Just Works vs Passkey vs OOB vs Numeric Comparison
Compare Bluetooth Secure Simple Pairing (SSP) models. Learn the security differences between Just Works, Passkey Entry, OOB, and Numeric Comparison.
Bluetooth Modulation: GFSK vs pi/4-DQPSK vs 8DPSK Comparison
Dive into Bluetooth RF modulation. Compare GFSK, pi/4-DQPSK, and 8DPSK to see how Basic Rate and EDR achieve faster data speeds and signal robustness.
Bluetooth Power Classes: Class 1, 2, and 3 Compared
What is a Bluetooth Power Class? Compare Class 1, Class 2, and Class 3 devices to understand their max transmit power, effective range, and battery usage.
Bluetooth Periodic Advertising Channels : PADVB Vs. PAwR Compared
Explore Bluetooth 5.4 periodic advertising. Compare PADVB and PAwR to understand unidirectional broadcasts vs bidirectional responses for IoT and ESLs.
What is a Channel Identifier (CID) in BLE? | CID Values Table
Learn what Channel Identifiers (CID) do in Bluetooth Low Energy (BLE). Explore the core functions of L2CAP CIDs and view the complete LE-U CID allocation table.
CID vs. PSM in BLE: Key Differences & Functions Explained
Confused by L2CAP routing in Bluetooth Low Energy? Understand the exact differences and functions of Channel Identifiers (CID) and Protocol Multiplexers (PSM/SPSM).
Bluetooth Versions 1.0 to 6.3: Key Differences & Features
Explore Bluetooth versions 1.0 to 6.3, their major features, speeds, range, security, and key differences in this easy to follow guide.
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