Size: 20.4x14.8x3.0mm（With Shielding Cover）
Operating TEMP: -40°C to +85°C
Application: Environmental sensor,Security sensor
REX3T258 is a compact，low power and highly sensitive Zigbee module that complies with the IEEE802.15.4 specification and Zigbee 3.0 protocol standards. The module has integrates 64KB RAM, 512KB Flash, 14-bit ADC,6-channel PWM and rich GPIO resources.