Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: Curved-Panel TV Antenna, ANTOP AT-214B Smartpass Amplified Indoor HDTV Antenna with Built-in 4G LTE Filter, 50 Mile Range Multidirectional Reception, 10ft Cable, 20" Rabbit Ear rob, Piano Black
Product description: By following the simple tips below, you can enjoy FREE TV with you ANTOP antenna: - Adjust and turn the extendable telescopic antennas for the best VHF reception. - Re-scan the channels after each switching of the Smartpass Amplifier. - Scan channels monthly to find all available channels including newly added or changed. - Do not place or hide the antenna in/behind any metallic objects. - Install the antenna as high as possible and near a window for better reception. - Keep the antenna away from any high power consumption devices to avoid interference. Product Features Range: 40 to 50 miles from point of signal origination Reception Pattern: Multi-directional Polarization: Horizontal / Vertical Color: Piano Black Rob Length: 20 inch Size: 13.78x7.48x4.72 in Net Weight: 0.77lb Coaxial Cable: 10ft Integrated Exclusive Technology: Smartpass Amplifier, Built in 4G LTE Filter Smart Switch On: Long range reception Smart Switch Off: Short range reception Technical Specification Frequency Range: 87.5-230MHz, 470-700MHz Receiving Range: VHF/UHF Gain: 5-7dB or 19dB Max Output level: 100dBuV Max Impedance: 75 Noise figure: 2dB What is in the box CURVED PANEL Smartpass Amplified Digital Indoor HDTV Antenna AC/DC Power Adapter U-shaped base stand 10ft Coaxial Cable Instruction/User Manual
Product feature: 50 Mile Long RangeHD antenna has a strong reception ability, which can receive the tv channel signal from 50 miles broadcast., Smartpass AmplifiedSmartpass amplified allows an easier connection and deliver the correct balance between short and long range reception., High Technology 4G LTE FilterTv antenna Built-in 4G LTE filter can block 3G and 4G wireless signals to ensure NOISE-FREE digital TV reception., Enjoy Free TV and Cut the BillPlug it to connect your tv and enjoy free tv for whole life, say goodbye to cable tv and cut the cord., Buyer GuaranteeDigital antenna have been passed the CE, UL and RoHS certificated We stand behind our indoor tv antenna 100% with a 12-month warranty.
Product price: $2.00
Product brand: ANTV
Target attributes: Gain
Answer: attribute: gain
value: None
source: None