The best Bluetooth door, window, motion, presence and leak sensors: SwitchBot Contact Sensor, Motion Sensor, mmWave Presence Sensor and Water Leak Detector, Shelly BLU Door/Window ZB, Motion ZB and Flood Gen4, GoveeLife H5123 and motion sensor, and CarLock’s Bluetooth vibration add-on.
The best Bluetooth item trackers for keys, wallets, luggage and bikes: Apple AirTag, Samsung Galaxy SmartTag2, Tile Mate, Pro, Slim and Sticker, UGREEN FineTrack, Chipolo POP and CARD, and Pebblebee Clip 5 and Card 5, compared by network, platform, battery and form factor.
The best Bluetooth smart locks: Wyze Lock Bolt, ULTRALOQ Bolt SE and U-Bolt Pro, Level Lock Pro, Yale August Wi-Fi Smart Lock, SwitchBot Lock Ultra and Lock Vision Pro, plus Master Lock Bluetooth padlocks and lock box, compared by connectivity, entry methods and installation.
The best Bluetooth hubs and gateways for remote access to BLE devices: SwitchBot Hub 2, Hub Mini and Hub 3, Shelly BLU Gateway and Gen3 relays, Govee and SensorPush gateways, Tuya multi-mode gateway, plus ESP32 boards and USB adapters for Home Assistant Bluetooth proxies.
The best Bluetooth (BLE) temperature and humidity sensors: Govee H5075, H5074, H5100 and H5110, SwitchBot Meter Plus, Outdoor Meter and Meter Pro, TempPro TempAir, Shelly BLU H&T, SensorPush HT.w, Inkbird IBS-TH2 and Elitech GSP-6, compared by display, range, logging and Home Assistant support.
The best development boards for building Matter and Thread devices: Seeed XIAO ESP32C6, Arduino Nano Matter, Waveshare and M5Stack ESP32-C6 boards, ESP32-H2 boards, XIAO MG24, Nordic nRF52840 DK and nRF54L15-DK, and nRF52840 dongles, compared by radio, SDK and use case.
The best industrial 4G and 5G routers for IoT deployments: Teltonika RUT956, RUT241, RUTX11 and RUTM50, GL.iNet Spitz, Spitz Plus, Spitz AX, Puli and Collie, InHand IR302, Sierra Wireless AirLink RV50 and RV55, LINOVISION, Yeacomm and LINBLENET routers with RS485, dual SIM and VPN.
The best mini PCIe and M.2 cellular modem cards for routers, gateways and Raspberry Pi carriers: SIMCom SIM7600G-H PCIe and M.2, Quectel EG25-G, EM05-G, EM060K-GL, EM06-E and RM520N-GL 5G, Sierra Wireless EM7455 and EM7565, and Fibocom FM350-GL 5G, compared by speed, form factor and region.
The best 4G LTE antennas for cellular modems, routers, Raspberry Pi HATs and ESP32 boards: Bingfu SMA and RP-SMA antennas, Proxicast cross-polarized MIMO panel, eifagur panel and omni, Maswell 5G-ready MIMO, magnetic, adhesive, TS9 and LTE/GPS combo antennas, plus SMA extension cables.
The best 4G USB modems for Raspberry Pi, single-board computers and IoT gateways: Waveshare and Yahboom SIM7600G-H dongles, Quectel EC25 USB dongles, EIOTCLUB, Spectrum Smart, KuWFi and MIRO hotspot sticks, and M.2-to-USB adapters for building your own LTE modem.