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Small batch orders or urgent orders, you can choose PayPal, Western Union, Escrow to facilitate buyers, 100% payment before shipment; for large orders: 30%/50% of T/T as deposit, the balance before shipment.

How about the warranty?

We can provide 1 year warranty.

5g S Band N78 3300-3800MHz Surface Mount Isolator

Name: 5g S Band N78 3300-3800MHz Surface Mount Isolator
Brand: Xian Efine Electronics Technology Co., Ltd
SKU: 2166163715

Shaanxi, ChinaXian Efine Electronics Technology Co., Ltd

US$15.00-55.00

1 Piece

Product profile

Customization

Available

Certification

FCC, CCC, RoHS, ISO, CE

Condition

New

Model NO.

EFSI20A3300T3800

Work Mode

FDD

Usage

Radio, Television, Observatory, Satellite, Plane, Ship, Car

Information Content

Text, Picture, Video, Audio

Type

Optical

Place of Origin

Shaanxi, China

Payment Term

T/T, Paypal, Alipay

Freq. Range

DC-3GHz

Reverse Power

1kw

Isolation

75dB

Temperature

55 ~ 85 Centigrade

Certificate

RoHS, Reach, ISO9001, ISO14001

Insertion Loss

1.8dB (Split 3dB)

Connector Type

SMA-Female

Forward Power

100W

Vswr Max

1.2

Transport Package

Package

Trademark

Origin

China

Production Capacity

50000PC/Year

Key features

High Performance Specs: Insertion Loss <0.5dB, Isolation >18dB, VSWR <1.25, Forward Power 60W.

Wide Frequency Range: Supports various bands from 450MHz to 4200MHz with specific models.

SMT Surface Mount: Designed for surface mount technology with compact dimensions.

15 Years Experience: Manufacturer with 15 years of professional telecom experience.

Fast Delivery: Standard delivery 7-15 days; bulk orders 15-35 days after payment.

ISO Certified Quality: ISO 9001:2017 certified with TQM and SOP implementation.

Custom OEM Service: Supports OEM orders based on mechanical drawings and specs.

Company profile

In-stock CapacityR&D CapabilitiesCustomization from DesignsOEM Services

Xian Efine Electronics Technology Co., Ltd

Shaanxi, China

Business Type: Manufacturer/FactoryExport Year: 2022-10-26Nearest Port: TianJin, ShangHai, QingDaoAverage Response Time: ≤5.91hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA

AI-Powered supplier vetting

SummaryXian Efine Electronics Technology Co., Ltd. is identified as a China-based manufacturer/factory and limited company operating in Shaanxi. The supplier presents microwave waveguide components, assemblies, antenna systems, slip ring sensors, horn antennas, RF components, and bent waveguides, with in-house design, manufacturing, inspection, and quality-control capabilities. It states that microwave measurement capability reaches 60 GHz, standard delivery is within 15 working days in both peak and off-peak periods, and exports cover multiple global regions. ISO 9001:2017 certification and TQM/SOP implementation are stated, although the audit result is recorded as 0 and the audit validity shown ended on 2025-10-20. No SDK is available. Financial records are referenced for 2021–2023, but no financial performance details are provided. No customer cases or after-sales service evidence is available. Sustainability-related fire-drill and environmental-assessment statuses are unknown.

CertificationsThe supplier states that it implements TQM and SOP under ISO 9001:2017 certification. However, the audit record shows a BV audit result of 0, and the listed audit validity ended on 2025-10-20; therefore, current certification or audit standing is not fully verifiable from the provided information.

R&D capabilityThe supplier states that it has trained design engineers, supports standard and custom products, and possesses in-house design capability with microwave measurement up to 60 GHz. However, no SDK is available, and no detailed R&D outputs, patents, or development metrics are provided.

Production capacityThe supplier identifies itself as a manufacturer/factory, describes in-house manufacturing and quality-control capabilities, reports annual production output above the stated threshold, and indicates delivery within 15 working days during both peak and off-peak periods. These records explicitly support substantial production and delivery capability.

Customization capabilityThe supplier explicitly states that its trained design and manufacturing personnel can handle both standard and custom products, supported by in-house design, manufacturing, inspection, and quality control. This is direct evidence of customization capability.

Product Q&A

Q:Are you a manufacturer or trading company?

Yes, we are a manufacturer. Our company has 15 years of professional experience in the telecom field, which can design, manufacture a wide range of microwave waveguide components, coaxial components, antennas and other telecommunication components to global market.

Q:How to make an OEM order?

1.We will manufacture these products based on the mechanical drawings you provided. Some minor alterations might occur during the process of production to ensure we can meet your electrical specs requirements. Alternatively, we may go for the first set as samples and see whether it meet your specification requirements. After communication, the buyer and the seller reach an agreement on product details, packaging, purchase quantity, unit price, delivery time and payment terms. 2.The buyer sends a

Q:How do you solve after-sales service issues?

After receiving the goods, if you have any dissatisfaction or other issues, please contact us ASAP, we will give you a fast response and reasonable solution.

Q:How long is your delivery time?

Usually 7-15 working days after receiving your 100% payment. For bulk orders: 15-35 working days after receiving the deposit.

Q:How do I get samples?

We need to receive your payment before we can send the samples to you. After the customer confirms the order, we will reduce the sample cost. However, if you are our regular customer, we can send the sample to you and then deduct it from your account in the next transaction.