KR-210S is the 2.4GHz small 2 channel receiver. This can used with the EX-5 UR, RF-901S and RF-902S modules. Our 2.4GHz receiver at an economical price while still keeping a small size. Part # 21003 (Feb 2010)

• Size: 29.3 x 24.4 x 16.0 mm
• Weight: 7.8g
• Operating Voltage: 4.8V-7.4V