This is the Hitec 3 Channel FM 75MHz Single Conversion Receiver.  This receiver works with Futaba and Hitec 75MHz transmitters.  You must use a hitec crystal with this receiver.

FEATURES:

• Works with Hitec and Futaba transmitters
• 75MHz negative shift
• Single conversion, narrow band
• One year limited warranty

INCLUDES: One Hitec 3 Channel FM Micro Receiver

REQUIRES: Futaba or Hitec 75MHz Transmitter

SPECS:
Length: 1.4"   (37mm)
Width:  0.98"  (25mm)
Height: 0.71"  (18mm)
Weight  0.53oz (15g) without crystal