This model can be amplify for HF radio.<br><br> 1.Turn on/off switch <br><br> 2.Auto receive/transmit switch<br><br> 3.Electrode reversal protect<br><br> Specifications<br><br> Frequency range:HF<br><br> Operate voltage:12-14 Vcc<br><br> Input current/POWER:14-20 A<br><br> Input power:3-5 W<br><br> Input power SSB:2-10 W<br><br> FM Output power:PEP Max 150 W(Input 10W)(Note: Note:Normal the output power is 70-100W) <br><br> AM Output power:PEP Max 150 W(Input 10W) (Note:Normal the output power is 70-100W) <br><br> Output power SSB:300 W(Input 10W) PEP Max 250W (Input 5W ) PEP Max(Note:Normal the output power is 120-250w) <br><br> Working mode:FM- AM-CW-SSB<br><br> <b>Note:if you will test the max PE power to FM/AM 150W or SSB 300w,you can try use input 10w from FM/AM /SSB radio but please don’t use too long time, the operate will cause damage to power transistor, more serious will cause the Amp to burn out. </b><br><br> Blown fuse:2x12 A<br><br> Dimension:109x225x35 mm<br><br> Net weight:750 g.<br><br> Product Description<br><br> Compact high power all mode Amp with <br><br> automatic TX/Rx switch and On/Off switch. Electronic switch. <br><br> Inversion polarity protection.<br><br>It will decrease the amp' life time and also if the antenna can not endure the output watt, which will damage the amp. <br><br> Packing Incudes:1*TC-300N Amp