The E32-868T20D model is a 100 mW wireless transaction system with LoRa spread-spectrum technology that operates at a frequency of 433MHz, based on the RFIC SX1276 from SEMTECH. It features TTL level transmission transparency.

General parameters:

• Antenna type: SMA-K
• Characteristic impedance: 50Ω
• Operating range: approximately 3000m
• Operating temperature: -40 ~ +85℃
• Operating humidity: 10% ~ 90% (no condensation)
• Storage temperature: -40 ~ +125℃
• Dimensions: 21*36mm
• Weight: 6.7g

Electrical parameters:

• Frequency band: 433MHz
• Supply voltage: 2.1 - 5.5V DC (5V recommended)
• Maximum communication voltage: 5.2V
• Transmission capability: 20dBm (adjustable to 20, 17, 14, 10dBm)
• Air data rate: 2.4kbps (adjustable)
• Standby current: 4.0uA
• Transmission current: 120mA@20dBm
• Reception current: 14mA
• Sensitivity: -138dBm/0.3kbps