Features: ¡E 2.4GHz Spread Spectrum radio communication system. ¡E Exclusive ID code to avoid interference from other FASST systems. ¡E Fail Safe (F/S) function, Battery F/S ¡E Dual antenna diversity (R6014FS) Specification: ¡E Communication system: one-way communication ¡E Antenna: 1/2 wavelength di-pole ¡E Current consumption: 150mA maximum ¡E LED (light emitting diodes) indicate the operational status