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Description
AM Broadcast Band listener Tunable Medium Wave Gain Loop Radio Antenna TECSUN AN-100AM Broadcast Band listener Tunable Medium Wave Gain Loop Radio Antenna TECSUN AN 100 Features:. Mineral radio refers to a passive radio without amplifying circuit composed of antenna, ground wire, basic tuning loop and geophone. It is the simplest radio receiving device, mainly used for the reception of medium wave public radio broadcasts. Everyone is accustomed to collectively refer to those radios that do not use a power source and have only one
AM Broadcast Band listener Tunable Medium Wave Gain Loop Radio Antenna TECSUN AN-100Features:
.Mineral radio refers to a passive radio without amplifying circuit composed of antenna, ground wire, basic tuning loop and geophone
.It is the simplest radio receiving device, mainly used for the reception of medium wave public radio broadcasts. Everyone is accustomed to collectively refer to those radios that do not use a power source and have only one semiconductor element in the circuit as "stone radios".
.Base length 23 x width 6.5CM, coil diameter 22.5; width 3.5CM, overall height 25CM
.The energy of the rock radio comes from the resonance energy received by the coil, which is already the smallest size of the large-ring no-earth-earth wire rock radio. The electromagnetic wave energy that can be received is limited. If there is no sound in the headset, please find a location with a strong signal to receive the broadcast signal
.Remember to put on headphones and be patient. Can be used for experimental teaching to demonstrate and explain the principle of antenna reception
.At the same time have a certain degree of appreciation, stimulate interest in scientific exploration, and strengthen the cultivation of scientific quality
.Suitable for children over 12 years old or adults
Specifications:
.Color: As Shown
.Material: Plastic + Components
.Product Dimensions: 23 x 6.5 x 25cm
.Product Weight: 1000g
.Package Dimensions: 27 x 25 x 8cm
.Package Weight: 1200g
.Packing: Carton Box
Package Content:
.1 x Radio
.1 x 3.5mm Headset
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.5 ★★★★★
Based on 241 reviews
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Product Reviews
★★★★★ 5
Worth it.
Size: Small, Color: Black (001)/White
Living in North Dakota, staying warm is invaluable. UnderArmour Cold Gear is the only base layer the provides warmth, KEEPS warmth, and protects from the unforgiving wind. Every winter I go on the hunt for thermals, layering options and I always find others to be saggy or incredibly tight, either way, once I begin shoveling or snowblowering, and sweating, other products become soaked, sticking to skin, unbreathable and quickly your sweat stuck to your body under layers in now creating a cold,chill, freeze to your body, and on a -10F day, it can become a dangerous situation.
I honestly was hesitant to purchase UnderArmour, I felt it was too hyped up or paying for a name. BUT IT IS NOT. UnderArmour isn't a name, it is a company that has made the highest quality base layer, warmth, breathable and it really wicks sweat away; I may not know how it does it, but it works!
For sizing, I ordered a small in the women's longsleeve/turtleneck black coldgear. I'm 5ft and roughly 110lbs. I like the fit, it is meant to fit your body. I probably could wear an extra small, but I like the sleeve length in the small and it fits very well.
Stay warm folks!
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Reviewed in the United States on December 6, 2023
★★★★★ 5
Great cold gear
Size: Large, Color: White (100)/Black
Warm, very comfortable. I wear these all winter. The neck can be a little tight and the cut is definitely fitting. Its got thin like fleece on the inside that keeps you warm.
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Reviewed in the United States on November 3, 2025
★★★★★ 4
Tight but stays in place, comfy and keeps you warm
Size: Medium, Color: Charcoal Light Heather (019)/Black
I liked this shirt because it keeps me warm when I'm outside even at negative temperatures, I can work out comfortably in it and the sweat dries out soon; also, the interior of the shirt is made of a very comfortable material.
I don't like that this is very tight, cool if you want to use it under your usual sports clothes but if you want to use it as is I would suggest going up a size.
I use this shirt almost every day to work out during winter time, I've washed them several times and they still feel as comfortable as the first day.
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Reviewed in the United States on January 5, 2022
★★★★★ 5
Perfect for running!
Size: Small, Color: Black (001)/White
None of my running clothes make me feel as sexy as this underarmor does. It is so soft on the inside, which is an upgrade from their old version because I found one at the thrift store that is really scratchy. It has been through a cold wash and the dryer multiple times at this point and it is still holding up. The size is true. The material thickness is perfect for me between 45-35° F. And again with layers between 15-10° F. But I look forward more to my runs that I get to wear my underarmor. Nothing makes me feel more confident on the trail. And I love love love the turtleneck. I got all black because that is my favorite color to wear when I run and it looks perfect. It is a true black.
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Reviewed in the United States on March 3, 2026
★★★★★ 5
Great product
Size: X-Small, Color: White (100)/Black
Great fit and very warm.
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Reviewed in the United States on October 31, 2025