瑞瀛
瑞瀛
REX4AM21
Size:22.5×17.0×1.8mm (No shield)
Operating TEMP:-40℃~85℃
Application:Plug-in power card、Switch
REX4AM21 is a small-sized, low-power BLE module developed by Rexense IoT. It is composed of TG7221B-T5JE0 chip and a small number of peripheral components. It has built-in 32-bit MCU, 192MHz Risc-V MCU and 56KB RAM, integrates with 512KB Flash, and has rich GPIO resources. It is mainly used in smart hotels and smart home industries.
Product advantage
  • No Gateway
    No Gateway
    Tmall Genie direct connection, no additional gateway required
  • No Annual Fee
    No Annual Fee
    No annual fee is charged, and the basic functions officially released by Tmall Elf are realized.
  • No Need For Docking
    No Need For Docking
    Safe and reliable, directly connected to Tmall platform, no additional cloud connection required
Main characteristics
Encapsulation information
瑞瀛
Size:22.5mm×17.0mm×1.8mm(No shield)
(Dimensional tolerance:length width±0.25mm、height±0.1mm)
Start a Smart Product Journey with Rexense Together