Specifications:

• MCU (Microcontroller unit)
  • Model: STM32WB55RG
  • ARM Cortex-M4 32-bit 64 MHz (application processor)
  • ARM Cortex-M0+ 32 MHz (network processor)
  • Flash: 1024 KB
  • SRAM: 256 KB
• Display
  • LCD Monochrome
  • Resolution: 128×64 px
  • Controller: ST7565R
  • Interface: SPI
  • Diagonal Size: 1.4“
• Battery
  • LiPo 2000 mA⋅h
  • 7 days approximately

• • Sub-1 GHz module
    • Chip: TI CC1101
    • TX Power: 0 dBm max
    • Frequency bands (depends on your region):
    • ● 315 MHz
    • ● 433 MHz
    • ● 868 MHz
    • ● 915 MHz
  • NFC
    • Frequency: 13.56 MHz
    • Supported cards:
    • ● ISO-14443A/B
    • ● NXP Mifare® Classic®, Ultralight®, DESFire® etc.
    • ● FeliCa™
    • ● NFC Forum protocols
  • RFID 125 kHz
    • Frequency: 125 kHz
    • Modulation: AM, PSK, FSK
    • Supported cards:
    • EM400x, EM410x, EM420x
    • HIDProx, Indala
  • GPIO
    • 3.3 CMOS Level

• Input 5V tolerant
• Up to 20 mA per digital pin

• • Bluetooth LE 5.0
    • TX Power: 0 dBm max
    • RX Sensitivity: -96 dBm
    • Data rate: 2 Mbps
  • Micro SD
    • Up to 64GB MicroSDHC

• Read/Write speed: up to 5 Mbit/s

• Buzzer
  • Frequency: 100-2500 Hz
  • Sound Output: 87 dB
  • Type: Coin
• Vibration Motor
  • Force value: 30 N
  • Speed: 13500 rpm

• Infrared
  • Force value: 30 N
  • Speed: 13500 rpm
• Infrared
  • TX/RX range: 800-950 nm
  • TX power: 300 mW
• iButton 1-Wire
  • Operate modes: Reader/Writer/Emulator
  • Supported protocols:
  •     Dallas DS1990A
  •     CYFRAL
• Control
  • 5-button joystick
  • Back button
  • Reboot — Back+Left buttons for 2 seconds
• USB
  • 1x USB 2.0 port, type C
  • USB device
  • Charging
• Physical
  • Size: 100 x 40 x 25 mm
  • Weight: 102 grams
  • Body materials: PC, ABS, PMMA
  • Operating temperature: 0 ~ 40 °C