This is the Futaba R617FS 2.4GHz FASST 7 channel receiver, and is intended for use with Futaba 2.4 GHz FASST airplane radio systems.

Features:

• High sensitivity receiver weighs only .25oz (7g) without case yet is a full range system for all aircraft from giant scale to park flyer applications-no need to buy separate receiver for specific aircraft Simple one-touch linking - no plugs to mess with or lose
• Dual Antenna Diversity allows 2.4GHz FASST Futaba transmitter to select the best reception between the two receiver antennas with no signal loss
• Rubber grommets installed where antennas exit to eliminate stress and fraying of the two antenna wires
• One year limited manufacturers warranty

Specifications:
Size: 1.6x1.1x.35" (40x27x9mm)
Power Requirement: 4.8 - 6V
Current Drain: 80mA (at no signal), 74 mA (w/signal no servos on 4.8)
Weight: 0.34oz (9.8g) with case, 0.25oz (7g) without case