Such HD mini video transmission system has the following features:

power output: 100-200mW as default;

frequency: customized within range 300MHz to 2.4GHz. normally there is 40MHz that users could change by themselves. for instance, if the central frequency is 340MHz, then users could change it from 320MHz to 360MHz.

bandwidth: 1.5/2/4/6/7/8MHz adjustable

interface: HDMI and HD-SDI

video encoding: H.264

video quality: HD video (1080i/P)@4/6/7/8MHz while SD video @ 1.5/2MHz

video encryption: AES and ABS optional

receiving: diversity receiving technology which requires 2 antennas for each receiver, normally one yagi and one omni

distance: 100-300m in city environment and upto 25km in LOS environment, like UAV application