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March 28, 2025 by Jean-Luc Aufranc (CNXSoft) - 13 Comments

A LoRa-based Walkie-Talkie? Meet LILYGO T3-S3 MVSR LoRa voice communication kit

LoRa Voice Communication Kit Walkie Talkie

With its low-power, long-range capabilities, LoRa has been used for P2P and Mesh messaging with firmware like MeshTastic, but due to its limited bandwidth, we haven’t seen quite as many LoRa audio applications. This has not stopped LILYGO from designing the T3-S3 MVSR LoRa voice communication kit, integrating LoRa radio, a microphone, and a speaker to use the board as a walkie-talkie solution working over Semtech SX1262 or SX1280 RF transceiver. LILYGO T3-S3 MVSR specifications: SoC – Espressif Systems ESP32-S3FH4R2 CPU – Dual-core Tensilica LX7 microcontroller @ up to 240 MHz Wireless – 2.4 GHz 802.11n WiFi 4 and Bluetooth 5.0 LE connectivity Memory – 2MB PSRAM Storage – 4MB SPI flash Storage – MicroSD card slot Display – 0.96-inch 128×64 OLED display with SSD1306 I2C driver Audio MAX98357A Speaker MSM261S4030HOR Microphone LoRa module (one or the other) LORA32 SX1262 with 868MHz or 915 MHz radio LoRa 2.4G module based […]

March 27, 2025 by Jean-Luc Aufranc (CNXSoft) - No Comments

AsiaRF AWH575-MF1 WiFi HaLow industrial IoT controller offers RS232, RS485, I2C, SPI, UART, and ADC interfaces

AsiaRF AWH575-MF1 is a WiFi HaLow industrial IoT controller / remote control kit with RS232, RS485, I2C, SPI, UART, and 12-bit ADC interfaces to connect sensors or actuators and designed for long-range, low-power M2M communication. The board is comprised of an STMicro STM32U5 Cortex-M33 microcontroller to handle I/Os and communicate with an MM6108 WiFi HaLow (802.11ah) module made by AsiaRF. The board takes power from a USB-C port or optionally from a terminal block supporting a wider 9V to 24V DC input. AsiaRF AWH575-MF1 specifications: MCU – STMicro STM32U585CIT6Q CPU – Arm Cortex-M33 core @ 160 MHz Memory – 786 KB SRAM Storage – 2MB Flash Wi-Fi HaLow AsiaRF 802.11ah module based on Morse Micro MM6108 chipset Frequency Range – 902MHz to 928MHz Channel bandwidth – 1/2/4/8MHz Data Rate – Single-stream max data rate of 10 Mbps Transmit Power – 21dBm +/-2dBm @ MCS 0 Modulation – BPSK/QPSK/16 QAM/64 QAM […]

March 13, 2025March 13, 2025 by Jean-Luc Aufranc (CNXSoft) - 1 Comment

Semtech LR2021 “LoRa Plus” transceiver supports LoRa Gen 4, Amazon Sidewalk, Meshtastic, wM-BUS, Wi-SUN FSK, and Z-Wave

Semtech LR2021, the first chip in the LoRa Plus family, supports LoRa Gen 4 technology with both terrestrial and satellite networks in the Sub-GHz, 2.4 GHz ISM bands, and licensed S-band, while keeping backward compatibility with previous-generation LoRa devices. But it goes beyond just supporting LoRa and LoRaWAN networks, since it features expanded physical layer modulations for fast long-range communication (FLRC) enabling compatibility with various low-power wireless protocols such as Amazon Sidewalk, Meshtastic, Wireless M-Bus (Wm-BUS), Wi-SUN FSK, and Z-Wave when integrated with third-party stacks. Semtech LR2021 key features and specifications: Terrestrial and non-terrestrial network (NTN), Sub-GHz, 2.4GHz ISM and licensed S-band radio. Frequency Ranges 150-960 MHz 1600-2500 MHz Multi-PHY compatibility enables low-power wireless protocols with third-party stacks. FLRC up to 2.6 Mbps, LoRa up to 200 kbps Modulation – FSK, LoRa, LR-FHSS, FLRC, O-QPSK, OOK Multi-region operation with single switch-less front-end design. +22 dBm to -10 dBm transmitter Rx […]

March 7, 2025March 7, 2025 by Jean-Luc Aufranc (CNXSoft) - 3 Comments

Seeed Studio launches Wi-Fi HaLow mini PCIe module for Raspberry Pi, add-on board for XIAO boards

Seeed Studio has launched two 900 MHz WiFi HaLow modules for long-range, low-power communication based on Quectel FGH100M-H: the Wio-WM6180 Wi-Fi HaLow mini-PCIe module designed to be installed in hardware such as OpenWrt routers or even Raspberry Pi SBCs, and the Wi-Fi HaLow module for Seeed Studio XIAO designed to take XIAO boards with Espressif, Raspberry Pi, or Nordic Semi microcontrollers. These solutions can be useful for Smart Home devices, industrial automation, Smart City infrastructure, Smart Agriculture, and environmental monitoring systems. The most typical use cases are WiFi HaLow cameras with up to one kilometer range. Wio-WM6180 Wi-Fi HaLow mini-PCIe Module Specifications: Quectel FGH100M-H Wi-Fi HaLow module compliant with IEEE 802.11ah standard. Chipset – Morse Micro MM6108 Wi-Fi Frequency Band – 902–928 MHz Operating mode – Access Point (AP) or Station (STA) Modulation – OFDM, BPSK, QPSK, 16QAM, 64QAM Data Rate – Up to 32.5Mbps link rate Range – Up […]

January 28, 2025January 28, 2025 by Debashis Das - No Comments

Altair ALT1350 based HL7900 5G LPWA module supports Wi-SUN, GNSS, and NB-IoT over non-terrestrial networks

The HL7900 5G LPWA module from Semtech (Sierra Wireless) is a globally certified solution built around Sony’s Altair ALT1350 chip and designed for low-power IoT applications. It is certified by major U.S. carriers, including AT&T, T-Mobile, and Verizon, as well as Japan’s KDDI, and has achieved global regulatory certifications (FCC, CE, ISED, etc.) and industry certifications (PTCRB, GCF) for carrier interoperability. This chip features an ultra-low-power sensor hub MCU for efficient environmental monitoring. Additionally, it includes integrated sub-GHz and 2.4GHz radios supporting short-range protocols such as Wi-SUN including U-Bus Air, NB-IoT, and 5G NTN along with GNSS and Wi-Fi-based indoor/outdoor tracking. Furthermore, this chip supports embedded SIM support, secure edge-to-cloud connectivity, and over-the-air updates. These features make this chip useful for applications such as asset tracking, urban navigation, and other IoT solutions requiring reliable, low-power connectivity with global reach. Semtech HL7900 specifications: MCU – Sony ALT1350 5G cellular IoT chip […]

January 14, 2025January 13, 2025 by Jean-Luc Aufranc (CNXSoft) - 1 Comment

Morse Micro MM8108 WiFi HaLow SoC supports up to 43.33 Mbps transfer rate, improves range and power efficiency

Morse Micro MM8108 is a new WiFi HaLow (802.11ah) SoC with a throughput of up to 43.33 Mbps, and improved range and power efficiency compared to its predecessor the Morse Micro MM6108 introduced in 2022 and supporting up to 32.3 Mbps transfer rate. The new chip is also smaller at just 5x5mm in a BGA package instead of 6x6mm in a QFN48 package for the MM6108/MM6104, adds a USB 2.0 host interface besides SDIO 2.0 and SPI, as well as a MIPI RFFE (Radio Frequency Front-End) for integration and interoperability with multi-radio systems. Morse Micro MM8108 specifications: 32-bit RISC-V Host Applications Processor (HAP) Single-Chip IEEE802.11ah Wi-Fi HaLow transceiver for low-power, long-reach IoT applications Worldwide Sub-1 GHz frequency bands (850MHz to 950MHz) On-chip 26 dBm power amplifier with support for external FEM (Front End Module) option 1/2/4/8 MHz channel bandwidth for up to 43.3 Mbps data rate using 256-QAM modulation at […]

December 16, 2024December 16, 2024 by Debashis Das - No Comments

STM32-powered MM6108-EKH05 Wi-Fi HaLow evaluation kit supports Bluetooth, Camera, and Qwicc/MikroBus modules

Morse Micro has recently launched the MM6108-EKH05 Wi-Fi HaLow Evaluation Kit designed to reduce the development and deployment time of IoT products. Built around the Morse Micro MM6108 HaLow SoC, this kit combines long-range, low-power wireless connectivity with a range of integrated sensors, making it ideal for IoT engineers and developers. Key features include Wi-Fi HaLow connectivity, an STM32U585 Cortex-M33 MCU, integrated sensors (temperature, humidity, accelerometer), 16 MB of SPI Flash memory, programmable GPIOs, power measurement tools, and WPA3 security for reliable and secure communication. The kit also includes alternative power options including USB, battery, or external power, and embeds support for a camera, MikroBus and Qwicc expansion modules, Bluetooth, and current measurement circuitry. All these features make this kit useful for applications including smart homes, industrial automation, and agricultural monitoring. MM6108-EKH05 specifications: MCU – STM32U585 Arm Cortex-M33 microcontroller @ 160 MHz with TrustZone, 2 MB Flash Storage – 16Mbit […]

December 5, 2024December 28, 2024 by Debashis Das - No Comments

Murata LBWA0ZZ2HK/HL low-power Wi-Fi HaLow modules can communicate over 2km

Murata has recently introduced two new ultra-low power, sub-1 GHz Wi-Fi HaLow modules (LBWA0ZZ2HK and LBWA0ZZ2HL) compliant with Sub-1 GHz (S1G) 802.11ah Wi-Fi standard across key regions. The Type 2HK module operates at frequencies from 902MHz to 928MHz and features a communication range of 2km, whereas the low-power Type 2HL operates at 750MHz to 950MHz and can communicate over 1km. According to Murata, these modules can achieve high-speed communication over 1km and are suitable for applications such as smart devices, smart homes, smart accessories, and others. The modules are based on the NEWRACOM NRC7394 chipset built around an Arm Cortex-M3 with enough processing power for handling the Wi-Fi subsystem and user applications. Both modules feature an SPI host interface with peripherals including SPI, 2x UART, 2x I2C, 2-channel 10-bit ADC, and GPIO. Murata LBWA0ZZ2HK and LBWA0ZZ2HL specifications: HaLow SoC – Newracom NRC7394 SoC Frequency 2HL – Sub-1 GHz (750-950 MHz) […]