Size: 18.0x15.0x2.5mm（With Shielding Cover）
Operating TEMP: -40°C to +85°C
Application: Solar inverter, PV optimizer
REX3PT581 is a low-power Zigbee module with a compact appearance and high sensitivity; Complies with the IEEE802.15.4 specification and Zigbee 3.0 standard. The module has integrates 64KB RAM, 1024KB Flash, 14-bit ADC 6-channel PWM, a quadrature decoder (QDEC), and rich GPIO resources.