Description
 
3M 120MHZ Linear Power Amplifier SDR Drive Signal Source VHF Shortwave 6-15V DC High Gain

Parameter:

- Operating voltage: 6-15V
- Bandwidth: 120MHz
- Amplifier magnification: 0-400 (about 40DB)
- Applicable objects: SDR Receiver; Radio
- Function: increase the gain of the shortwave signal
- Antenna ring: diameter: 60cm, diameter: 2.0mm; 304 stainless steel

Usage Method:
- Switching power supply cannot be used for power supply, electromagnetic interference exists, and only 9V battery can be used.
- Install the battery and SMA feeder, round the antenna ring with 2mm diameter and 60cm ring, and fix it in the twist angle screw, and insert the other end of the antenna into the external antenna port of the radio or the antenna input port of the SDR receiver.
- Turn on the switch, and the LED will light up, indicating that the power is on.
- Turn the DX/LOCAL radio gain switch to see which position works better. Sometimes one of the two positions works better. Turn the antenna ring to see which position has the strongest signal.
- Adjust the gain potentiometer knob to increase the signal strength clockwise. If the overload is distorted, reduce the signal strength counterclockwise.

Package Included:
- 1 x Linear Power Amplifier
- 1 x 60cm Antenna Ring
- 1 x 2.0mm Antenna Ring

 

Payment Terms
 
1. We accept PayPal,Payoneer,Visa Card,Google pay,Credit card etc.
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Shipping Terms
 
1. We will process the order within the handling time ,if you have any questions, please contact us via eBay message or email.
2. For remote regions of DHL/FedEx..., extra shipping costs might be charged. Usually it costs about 30USD-50USD. We will contact you if shipping company informed us your address belongs to remote area. Thanks for your understanding.
Return Terms
 
If you receive the item that not satisfied or defective, please do not open case and kindly notify us within 30 days. We will guide you the returning process for replacement or refund.
Custom Duties & Taxes
 
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2. Please check with your country's customs office and inform us what/how much should declare before shipping.
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