The Standard 2.4Ghz 3-Channel Receiver for Transmitter with 2.4Ghz Surface Transmitter, very easy to . : Car/Boat Channels: 3ch -GR3E 3CH 2.4GHz Receiver GT2 GT3 GT3B GT3C GR3C RC Car Boat Frequency band: 2.4 GHz AFHDS Modulation: GFSK Sensitivity: 1024 RF. receiver sensitivity: -100dbm : 4.5~6V DC Weight: 5g Antenna Length: About 180mm Colour: black Material: plastic Size WxHxD: 35.5 x 22 x 13mm Suitable for the following transmitters -GT2 -GT2B -GT3B -GT3C HobbyKing GT2 HobbyKing GT3B W5 W6 Package Contents: 1 x -GR3F 2.4GHz Receiver Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!