New Attenuation Value 1nW～2W Set RF 1-500Mhz OLED RF Power Meter -70~15dBm RF

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New Attenuation Value 1nW～2W Set RF 1-500Mhz OLED RF Power Meter -70~15dBm RF
1, measuring power range -70 ~ + 15 dBm (external RF attenuator can be extended to 100dBm)
2, the measurement resolution of 0.1 dBm power
3, measurement frequency range 1 ~ 500 MHz
4, the measured power 1nW ~ 2W
5, the working voltage of 5VDC can work MICRO-USB powered)
6, the working current <50 mA
7, the working temperature of -40 ℃ ~ 65 ℃ degrees Celsius
8, storage temperature -40 ℃ ~ 65 ℃ degrees Celsius
9, size 50 * 50 * 25 mm length X width X height
Fourth, the RF common sense science:
dB is a pure count of unit:
For power, dB = 10 * lg (A / B).
For voltage or current, dB = 20 * lg (A / B).
dBm is defined miliwatt (mW). 0 dBm = 1mw;
dBw defined watt. 0 dBW = 10lg1 W = 10lg1000 mw = 30 dBm.
dB power units are always defined by default, to 10lg for scoring. Of course, some cases may signal strength (Amplitude) to describe the work and power, this time with 20lg for scoring. Whether in the field or control signal processing field like this. For example, sometimes you can see the expression dBmV.
Package includes:
1 x 1-500Mhz OLED RF Power Meter -70~15dBm 1nW～2W Power Set RF Attenuation Value
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We accept PayPal only.
Shipping
1.Items are shipped from china.we will send out within 1 bussiness day after receive the payment.
2.We only ship to ebay confirmed address. So before bidding,  please kindly verify your ebay address.
3.
Shipping to USA takes 8-18 days in normal condition by E-packet with tracking number.
Shipping to most other countries takes about 12-30 days via Economy Int'l Airmail.
Less than , without free tracking number,if you request tracking number,please send ebay message to us.
Over ,with tracking number free.The shipping time depends on your location and local postal service,as well as the weather condition along the shipping,sometimes may take longer,.please send ebay message to us if you didn't get your package.
4.Express shipping: Extra  -- will be charged for the first 500 grams for most countries. Send ebay message to us if  you need this service.
Terms of sale
1.If you are not satisfied when you receive your item, please return it within 30 days for a replacement or money back.   Please send ebay message to us before you return it.
2.If item is defective in 30 days, We will send you a replacement without extra charger, or offer refund after we receive the defective item.
3.If item is defective after 30 days, you can still send it back to us. We will send you a new one after receiving the defective item. But you have to pay the extra shipping fee.
About us
We are honest seller and do our best to serve you.
So if you have any concerns,please don’t hesitate to send ebay message to us.