DS3604 is a reflective electrophoretic display offering readability and flexibility. The 4.2-inch active area contains 400 x 300 pixels and has 1-bit Black/White/Red full display capabilities. DS3604 supports displaying up to 150 languages and other modules like picture or QR code. Long-capacity batteries and ultra-low power consumption bring a long battery life of up to 5 years. DS3604 enables quickly modifying the displayed content remotely and locally through simple operations and allows remote management in bulk. Moreover, DS3604 can be installed in multiple methods and be compliant with standard LoRaWAN® gateways and networks for more integrated applications.

Features:

• bigger E-ink screen featuring red/white/black color display
• customized templates in multiple modules and languages
• low power consumption with up to 5 years battery life
• open API and a LoRaWAN® button enable
• various applications
• support local and remote control for bulk deployment

• 4.2-inch three-color e-ink screen
• 400 × 300 pixels display with high contrast and ultra-wide viewing angle
• enables quickly modifying the displayed content including text, picture and QR code remotely and locally
• support multiple characters to display up to 150 languages
• support multicast feature for remote configurations in bulk
• provide API for management platform integration or development
• support display template customization
• ultra-low power consumption with 
• adapting to multiple scenarios with flexible installation methods
• equipped with NFC for easy configuration
• compliant with standard LoRaWAN® gateways and network ser

Specification:

• wireless transmission:
  • technology: LoRaWAN®
  • frequency band: CN470/IN865/EU868/RU864/US915/AU915/KR920/AS923-1&2&3&4
  • Tx power: 16 dBm (868 MHz)/22 dBm (915 MHz)/19 dBm (470 MHz)
  • sensitivity: -137dBm
  • mode: OTAA/ABP class A/class B (default OTAA class B)
• display:
  • E-ink screen: 4.2-inch black & white & red E-Ink screen
  • resolution: 400 x 300 pixels
  • DPI: 119
  • viewing angle: 180° refresh rate 16s (10 - 40°C)
  • display character: Latin alphabet, English alphabet, Cyrillic alphabet, Greek alphabet, Chinese character, Japanese character, and Hangul
  • display languages: support displaying up to 150 languages including English, Chinese (simplified & traditional) , Spanish, French, Japanese, Portuguese, etc. (exclude Hebrew, Arabic & Thai)
• operation:
  • button: 1 x reset button (Internal) + 1 x screen button
  • buzzer: 1 x buzzer
  • configuration: NFC configuration via mobile app
• physical characteristics:
  • power supply: 3 × 590mAh CR2450 Lithium Batteries
  • battery life:
    • around 5 years (class A mode + 1 screen refresh per day)
    • around 1 year (class B mode + 12 screen refreshes per day)
  • operating temperature: 0°C to +40°C (0℉ to +104℉)
  • operating humidity: 0% to 95% (non-condensing) below 25°C/77℉
  • ingress protection: IP30
  • color & material white, ABS + PC
  • dimension: 99 × 87 × 10.5 mm (3.90 × 3.43 × 0.41 in)
  • installation: 3M tape mounting, wall screw mounting