It can hold standard 16340 size lithium ion batteries
and the clock frequency is adjustable from 80 MHz to 240 MHz
4 Piece Cup bearing assembly
Up to 3 SPIs (42 Mbits/s)
the biggest feature just takes three microcontroller IO port to drive
High Gain Circular Polarized Four Leaf Clover Antenna 5.8GHz 3dbi Style:RPSMA Male It can hold standard 163405. 8 GHz is suitable for all transmitters and receivers used on FPV equipment, like fpv googles, fpv transmitters and receivers, fpv monitors, quadcopters, multicopters, drones, etc. Compact size, light weight. Omnidirectional, high gain antennas. Specifications Connector: SMA, RP SMA Frequency Range: 5. 8GHz Color: Blue, Red Model Type: 4 leaf Antenna SWR: Less than 1. 5 Gain: 3dbi Omnidirectional, high efficiency Size: (DxH)28x86mm 1. 1x3. 4inch