40906, 40907 - XW-2C, XW-2D

XW 2B, 2C and 2D or CAS 3B, 3C and 3D (Chinese Amateur Radio satellite 3B, 3C and 3D) are a constellation of three identical Chineses micro-satellite for atmospheric physics experiments and amateur radio missions. The satellites feature a 246 mm x 246 mm x 246 mm cubic body with body mounted solar cells and a mass of approximately 10 kg mass. They feature a three-axis stabilization system. The amateur communications payload consists of U/V 20 kHz wide transponders with 145 MHz CW beacon and 19k2 GMSK AX25 telemetry downlinks.

Facts in Brief

Launch Date: 2015-09-19
Launch Vehicle: Long March 6
Launch Site: Taiyuan, Peoples Republic of China