The GT-3TP Mark-III is upgraded version of GT-3 with Tri-Power (8W/4W/1W). The 23CM High Gain Antenna allows GT-3TP to transmit in 11KM. It also comes with upgraded frame material, buttons and knob, Antenna Interface, Radio Frequency IC, Frequency-Modulated Receiver Chip, Power Amplifier IC, etc.
Software Download: https://s3.amazonaws.com/sanatop/EB/E...
UPGRADE
* Tri-Power: High / Med / Low Power (8W/4W/1W)
* 23CM High Gain Antenna: allows GT-3TP to transmit in 11KM
* Big buttons & knob: GT-3TP has built in PTT key, CALL key, and MONI key on the left side of the radio
* Antenna Interface: Fine copper-made antenna connector outperforms other antenna connectors and improves communication.
* Radio Frequency IC: Upgrade SQ to enhance the anti-interference ability
* RDA1846S add an new tail tone elimination function, when transmit and receive signal between 50Hz with 55H
* Improve the receiver AGV switching noise when signal strength changes severe
* Power Amplifier IC: Low crossover distortion, Low quiescent circuit current
* LED Flashlight: high lumens degrees
* Shell: Upgrade Dustproof