This is the Futaba R319DPS PCM 9 Channel Dual Conversion 72MHz Synthesized Receiver.

           This receiver is a replacement for the R309DPS receiver.

FEATURES: Perfect upgrade for the 9Z radio, but can also be used with the 9C or 9C Super

          No crystal required, simply move two rotary switches to match  transmitter channel

INCLUDES: One Futaba R319DPS PCM 9 Channel Receiver with tuning screwdriver 

SPECS:    Length: 2.1" (53mm)  Width:  1.3" (33mm)  Height: 0.8" (20mm) Weight: 1.25 oz (35.4g)

          Power Requirement: 4.8V or 6V