Sell iRangeX IRX4 Plus NRF24L01 CYRF6936 4 IN 1 STM32 TX Module best price

Specification: Brand Name: iRangeX Item Name: IRX4 Plus Operating Voltage: 5-14V Operating Current: <=100mA Operating Frequency: 2.4G ISM band RF Power: +22dBm MCU: STM32F103CBT6(128K ROM, 20K RAM) Weight: 45g Features: Two operation modes: PPM mode and serial mode. - When in PPM mode, there are 31 different protocols (protocol NO.0 is reserved for serial mode) mapping to the 16-position protocol selection switch on the module. They are listed in the default protocols table below, when the green light is off, you can use the switch to choose protocol NO. 1 to NO.15, when the green light is on, you can choose protocol NO.16 to NO.31. - To turn on/off the green light, Please follow these steps: Turn off you transmitter, point the protocol switch to ‘0’, hold and press the bind button of RF module, then turn on your transmitter, after 3 seconds, release the button. Notice: - The jumpers and header attached is used for updating firmware of TX module through USB serial cable. Please remove them for normal use.. - Sometimes, you may need a power recycle when you choose a new protocol. for example, protocol changes from Q303 to HISKY. - For FRSKY and S-FHSS protocol, you may need set the value of Fine or Option (in the Model Settings menu) properly to bind with your model. The value is varied, since it’s partly depended on your model. Package Included: 1x iRangeX IRX4 Plus TX Module