This 773 (Retractable Telescopic Antenna) Dual Band High Gain Antenna - building upon the success of the flexible NA-771; you can now have the power - in a smaller more convenient package.
This telescopic antenna when extended is almost 40cm long. It is a MUST have antenna for your radios - it will boost the signal of your radio dramatically! When you are only receiving and not transmitting you can conveniently retract the antenna down to only 11cm.
Most Telescopic antennas will increase your radio's transmitting gain compared to their factory antenna. Extend the Range of Your Communication.Receive Hard to Hear Signals and Transmit Further
In most cases: the longer the antenna is the better the antenna is capable of boosting weak frequencies and receiving difficult to hear stations. Shorter antennas offer more portability and convenience, while longer antennas generally perform better.