... Memontary (optional)AntennaExternalPackageDIP, 9pin, (D0-D3, Vcc, GND, Key)Size35mm*20mm*6mmCertificationCE(R&TTE), FCC(Part 15.), RoHS Minew ... client's requirements.>>>>>>>>>>>>>>>>>> We have been producing wirless remote control, RF transmitter and receiver modules, wireless receiver control switch, ... One-stop manufacturingWe will be pleased to begin working with you! 6 channel receiver module