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Description
Broadband Low Noise Amplifier 0.8dB NF 50M~4GHz 18dB Gain with LDOPart Number: LNA50M4GR is a high linearity, low noise amplifier designed for operation from 50MHz to 4GHz in a small 15 16x1 1 8x0. 49 shielded RF enclosure (PN: 6UDE2W6S1A2). It integrates Low Dropout Regulator (LDO) for wide voltage operation range (+6~15V). At 900 MHz, the amplifier typically provides 18 dB gain, +33 dBm OIP3 at a 45 mA bias setting, and 0. 8 dB noise figure. Proudly Made in USA by Lotus Communication Systems, INC. in
Part Number: LNA50M4GR is a high-linearity, low noise amplifier designed for operation from 50MHz to 4GHz in a small 15/16”x1-1/8”x0.49” shielded RF enclosure (PN: 6UDE2W6S1A2). It integrates Low Dropout Regulator (LDO) for wide voltage operation range (+6~15V). At 900 MHz, the amplifier typically provides 18 dB gain, +33 dBm OIP3 at a 45 mA bias setting, and 0.8 dB noise figure.
Proudly Made in USA by Lotus Communication Systems, INC. in Massachusetts.
Features
- Frequency Range: 50 MHz to 4 GHz
- Noise Figure: 0.8 dB @ 900 MHz, typical <1dB
- Gain: 18 dB Gain at 900MGHz
- Output P1dB: +22 dBm CW
- Output IP3: +33 dBm
- DC Voltage: +6 to +15V
- Operating Current: 45 mA
- Stainless Steel SMA Female Connector
- High Quality Rogers RO4350 RF PCB
- ROHS Compliant
Applications
- Repeaters/DAS
- Mobile Infrastructure
- LTE/WCDMA/CDMA/GSM
- General Purpose Wireless
- SDR & Ham Radio
- Test Instrumentation
Resources (PDF Datasheet)
LNA50M4GR DatasheetShipping 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
- If time is of the essence, please consider selecting expedited delivery for faster service.
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]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
Effective serum that improves skin texture and hydration
Size: 16 Fl Oz (Pack of 1), Size: 16 Fl Oz (Pack of 1)
I have been using this serum consistently and I can see a clear improvement in my skin. It feels smoother, more hydrated, and more even in texture. It is lightweight, absorbs quickly, and does not irritate my skin. It works well with my other skincare products and I will continue using it. I highly recommend it for anyone looking to improve their skin.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Gentle Cleanser That Works Well for Daily Use
Size: 16 Fl Oz (Pack of 1), Size: 16 Fl Oz (Pack of 1)
My husband has been using this cleanser as part of his daily routine, and it has been a simple and reliable option for keeping his skin clean without feeling dry or tight. The formula is gentle and easy to use consistently.
Skin type: normal skin
How it’s used: morning and night as a daily face wash
What we liked:
• Texture: smooth, lotion-like consistency that spreads easily
• Gentleness: cleans without leaving the skin feeling stripped
• Hydration: skin still feels soft and comfortable after rinsing
• Fragrance-free: no strong scent, which is nice for everyday use
• Ease of use: works well as a basic, no-fuss cleanser
Things to note:
• This is a gentle cleanser, so it doesn’t foam much
• Best suited for normal to dry skin rather than very oily skin
Results after a few weeks:
With consistent use, his skin has stayed balanced and comfortable without feeling dry after washing.
Overall:
This has been a dependable everyday cleanser that’s easy to use and gentle on the skin. It’s a good option for anyone looking for a simple, fragrance-free face wash that doesn’t leave skin feeling tight.
Best for:
• normal to dry skin
• daily morning and night use
• anyone wanting a gentle, non-foaming cleanser
Update: Added photos to show texture and packaging.
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Reviewed in the United States on March 24, 2026
★★★★★ 5
From dry to soft in days.
Style: 3.38 Fl Oz (Non SPF)
I bought this moisturizer at a time when my skin truly needed help, with mature and sensitive skin, and I was dealing with intense dryness. My skin felt tight, dull, and uncomfortable, even after trying several products that didn’t provide lasting hydration.
I decided to try this cream and within the first few days, I noticed a real difference. It’s lightweight, absorbs quickly, doesn’t feel greasy, and most importantly, it doesn’t irritate my skin—instead, it soothes it. With continued use, my skin became softer, more supple, and visibly healthier, without that constant tight feeling.
I love that it’s fragrance-free, oil-free, and non-comedogenic, as it hasn’t caused any breakouts. It also contains ceramides and niacinamide, and the added SPF makes my routine much easier. After trying many products, I can honestly say this is the only one that truly worked for me. It’s now a daily essential.
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Reviewed in the United States on April 18, 2026
★★★★★ 5
Great daily lotion
Style: 3.38 Fl Oz (Non SPF)
Great daily lotion. I love that it is light and fragrance free. It is perfect for day use. I have dry skin and sometimes it is not enough to use by itself. I mostly use it during the day as a base for sunscreen but it feels really good on the face and does not leave my face feeling greasy. The ingredients are really good and the value for money is great. I love LRP products and this is so easy to use.
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Reviewed in the United States on April 17, 2026
★★★★★ 5
✨ My New Favorite Face Cream for Hydrated & Glowing Skin ✨
Style: 3.38 Fl Oz (Non SPF)
“I’ve been using this La Roche-Posay cream for a few days now and I absolutely love it 😍💧 My skin feels super hydrated, soft, and has a healthy glow without any greasy residue. Plus, it’s perfect for sensitive skin because it feels light and soothing. My face feels so much fresher and more cared for ✨ I would definitely buy it again
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
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