If you are JR hobby guy and want to update your JR replaceable RF Module FM Transmitter to the newest high-tech 2.4GHz system,CJ9 is your correct choice.

Compatible with JR radios include:
347,388,783,U8,PCM10,PCM10S,PCM10SX,PCM10IIs,8103,9303,MX-22,MX-24s
Size: 60 X 44 X 22mm (2.36 X 1.73 X 0.87 inch)
Antenna: 2dBi

Features

• Corona 2.4GHz TX Module & 8CH Receiver System RX for JR

• Extended operation range of 1.5Km range with has been tested in the real flying environment.

• A 5dbi gain transmitting antenna ensures the wave lengths are evenly distributed throughout the transmitting horizon ensuring the stable signal

• One key user friendly set up mode.

• Double receiver antennas guarantees the planes receive the signal regardless of the maneuvers     or attitudes.

• The unique receiver design makes the Corona modules easy to be installed and ensures reliability

• Corona's advance needle design ensures the lightest signal receiver.

Specifications

• Size: 23mm*37mm*12mm

• Voltage : 4.8 V - 6V

• Range : more than 2100m

• Operating current : 30 MA

• Sensitivity : 100dbm

• Latency : 22ms

• Channel: 8CH

Package Contents

• Corona JR 2.4Ghz Module

• Antenna

• 2.4Ghz 8CH Receiver RX