A20 User Manual
11
Function:
Power Amplifer can enlarge transferring
Port for ANT
PWR Light
DATA Light
PWR Port
Port for RF.IN
distance which is the same function as
external radio, but should work together
with A20 which has inner emitting radio.
Because A20 has many Product Numbers to
choose for deciding its configuration. So if
your A20 doesn
then Power Amplifer is not suitable, only
external radio.
t have inner emitting radio,
Notice:
1) Connection should be tight between every part(cable,radio,receiver) to comfirm
the successful data transferring.
2) Storage battery used should distinguish the positive and negative poles to avoid
the electric short circuit.
3) Comfirm that the antenna is connecting with the Power Amplifer before emitting
4) Finish working, make sure to stop emitting the data firstly, then remove the cable.
3) and 4) are all benefic for protecting the Power Amplifer.
Made by FOIF
the data.
3.4 Power Amplifer
