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<ul><li>The small loop antenna (hfdloop) is a small size full band ring magnetic field active receiving antenna 
To 500MHz, mainly composed of top jumper board and small ring amplifier board. Feeder and 12V linear power supply, in which the top jumper board 
Switch, different functions can be realized by adjusting the position of the switch. The Mobius loop can achieve twice the voltage gain of the ordinary small loop 
The electric field shielding ring can effectively reduce the interference caused by the electric field in the surrounding environment, such as-lightning 
The structure of unshielded ring is simple, and the whole small ring can be replaced by a thicker conductor 
Receiving frequency range: 50kHz to 500MHz 
Gain: 17dB@10MHz 
Output noise: -125dBm (@10MHz, BW=100Hz) 
P1dB: +15.5dBm@10MHz 
OIP3: +38dBm@10MHz 
Supply voltage: 9V to 12V 
Supply current: 130mA to 150mA 
Antenna interface: SMA(M) 
Output interface: SMA(F) 
Small ring coaxial cable model: RG402 
Small ring coaxial cable loss: 0.145dB/m 
Small loop antenna diameter: 60cm 
Material: plastic + metal 
Color as shown 
Package Contents: 
1 x small loop antenna amplifier board 
1 x headphone jack adapter cable 
1 x top jumper board 
2 x small toroids (RG402 coaxial cable) 
1 x 7 meter feeder 
1 x 1 meter feeder 
2 x sticky hooks 
1 x EVA storage bag 
Only the above package content, other products are not included. 
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.</li></ul>

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50K-500MHz Allband Active Small Magnetic Loop Antenna Amplifier HF AM FM VHF UHF SDR Receiver Radio

The small loop antenna (hfdloop) is a small size full band ring magnetic field active receiving antenna 
To 500MHz, mainly composed of top jumper board and small ring amplifier board. Feeder and 12V linear power supply, in which the top jumper board 
Switch, different functions can be realized by adjusting the position of the switch. The Mobius loop can achieve twice the voltage gain of the ordinary small loop 
The electric field shielding ring can effectively reduce the interference caused by the electric field in the surrounding environment, such as-lightning 
The structure of unshielded ring is simple, and the whole small ring can be replaced by a thicker conductor 
Receiving frequency range: 50kHz to 500MHz 
Gain: 17dB@10MHz 
Output noise: -125dBm (@10MHz, BW=100Hz) 
P1dB: +15.5dBm@10MHz 
OIP3: +38dBm@10MHz 
Supply voltage: 9V to 12V 
Supply current: 130mA to 150mA 
Antenna interface: SMA(M) 
Output interface: SMA(F) 
Small ring coaxial cable model: RG402 
Small ring coaxial cable loss: 0.145dB/m 
Small loop antenna diameter: 60cm 
Material: plastic + metal 
Color as shown 
Package Contents: 
1 x small loop antenna amplifier board 
1 x headphone jack adapter cable 
1 x top jumper board 
2 x small toroids (RG402 coaxial cable) 
1 x 7 meter feeder 
1 x 1 meter feeder 
2 x sticky hooks 
1 x EVA storage bag 
Only the above package content, other products are not included. 
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.