Corona Synthesized Dual-Conv Receiver 6Ch 40Mhz Spec. Size: 36x18.7x8.2mm Weight: 9.2g Distance: >1.5Km Sensitivity: +/-8kHz at 65dBdown Channels: 1-8 Filtering: DSP 10.7Mhz +10dBm Please click Here for the RP6D1 Manual.