N-Type adapter for coaxial RF connections

N-Type Adapters for RF Interface Transitions

Meet VSWR and insertion-loss targets across antenna feeds, test ports and panel interfaces. Specify standard or custom N Type adapters for in-series (N-to-N) connections and between-series transitions to SMA, BNC, TNC, RP-SMA, QMA, UHF, F-Type, 7/16 DIN and 4.3-10 interfaces. Options include straight and right-angle male-to-male, male-to-female and female-to-female adapters, plus bulkhead and tee designs. Choose 50-ohm or 75-ohm versions, with low-PIM and sealed options available for selected configurations.

Adapter TypeIn-Series / Between-Series
Max Frequency11 GHz (18 GHz Ext.)
Impedance50 / 75 Ω
OrientationStraight / Right Angle / Tee
  • Threaded coupling for mechanical stability
  • IP67 & IP68 sealed variants
  • Low-PIM configurations available
  • Corrosion-resistant body platings
Wireless infrastructureBase stationsMilitary & AerospaceRadar systemsTest & MeasurementIndustrial IoT
Fast Production OEM Direct100% VNA tested 100% VNA Tested
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N-Type Adapter Specifications

iPrece’s N-type adapter range includes 50 Ω and 75 Ω models, N-to-N adapters, and transitions to other RF connector families. The tables below summarize available configurations and indicative performance. Exact ratings depend on the selected adapter and operating frequency.

RF and Electrical Specifications

Parameter

Available Options / Indicative Values

Nominal impedance

50 Ω; selected 75 Ω models

Frequency range

DC–11 GHz common; selected models to 18 GHz

Higher-frequency 75 Ω options

Selected HD-BNC transitions to 12 GHz

VSWR, indicative

Approximately 1.10:1–1.50:1

Insertion loss, indicative

Approximately 0.05–0.30 dB for matched two-port adapters

Low-PIM options

Available on selected 50 Ω models

RF power handling

Depends on frequency and both connector interfaces

VSWR and insertion-loss figures are industry reference ranges. Confirm performance over the required frequency band for the exact adapter.

Connector Interfaces and Mechanical Configurations

Parameter

Available Options

Adapter types

In-series; between-series

N-to-N genders

Male–male; male–female; female–female

Common transitions

SMA, TNC, BNC, HD-BNC, MCX, MMCX, SMB

Telecom transitions

7/16 DIN, 4.3-10, 4.1/9.5, 2.2-5, NEX10

Other transitions

F-type, UHF, FME, QMA, SMP, PSMP

Reverse-polarity options

RP-N, RP-SMA, RP-TNC, RP-BNC

Body configurations

Straight; right-angle; tee

Mounting options

Inline; bulkhead; four-hole flange

N-type coupling

5/8-24 threaded

Mating durability, indicative

Approximately 500 cycles

Materials and Finishes

Component

Available Materials / Finishes

Body material

Primarily brass; selected stainless-steel models

Contact material

Beryllium copper, phosphor bronze, brass

Insulator material

Primarily PTFE; selected acetal or styrene-based insulators

Body finish

Nickel, white bronze, silver, gold

Stainless-steel finish

Passivated

Contact finish

Gold, silver; selected tin finishes

Environmental Ratings and Qualification Options

Parameter

Available Options

Standard temperature range

−40 °C to +85 °C on selected models

Extended temperature ranges

−55 °C to +155 °C; −65 °C to +165 °C

Ingress protection

IP67 or IP68 on selected models

Military-qualified option

M55339/20-00201 adapter listed in the range

How to Select the Right N-Type Adapter

Start by identifying the two interfaces that need to connect. An in-series N-Type adapter connects interfaces within the N-Type connector family, while a between-series adapter transitions between N-Type and another coaxial interface. The appropriate configuration depends on the connected equipment, signal requirements, and available installation space.

Before selecting an N-Type RF adapter, verify:

  • Connector gender: Identify whether each side requires an N-Type plug or jack.

  • Interface combination: Confirm whether both ends are N-Type or whether a transition to another connector family is required.

  • Impedance: N-Type interfaces are commonly used in 50 Ω systems. Specify 75 Ω only when the complete connection is designed for that impedance and a suitable configuration is available.

  • Frequency range: Check the rated range of the exact adapter and both mating interfaces.

  • RF performance: Evaluate insertion loss, VSWR or return loss, and power limits where specified.

  • Body geometry: Choose straight or right-angle orientation according to connector access, panel clearance, and cable routing.

  • Mounting requirements: Determine whether a free-standing, panel-mounted, or bulkhead arrangement is required.

An adapter that fits mechanically may still be unsuitable for the operating frequency or impedance. Verify the electrical ratings of the complete connection before installation.

N-Type Adapter Applications

N-type adapters provide reliable RF interface transitions across test, communications, antenna, broadcast, and OEM applications.

RF Test and Measurement

N-type adapters connect signal generators, network analyzers, power meters, and devices under test. They bridge different connector interfaces and serve as replaceable connections that reduce wear on instrument ports.

Wireless Infrastructure and Distributed Antenna Systems

In base stations and distributed antenna systems, adapters connect radio equipment, feeder cables, and distribution hardware. Between-series configurations bridge N-type interfaces to connections such as 7/16 DIN, SMA, and 4.3-10.

Antenna Feeds and Enclosure Connections

At antenna feed points and enclosure boundaries, adapters connect external coaxial cables to internal RF paths. Bulkhead versions provide fixed feedthrough connections on outdoor radio housings and equipment panels.

Radar and Defense Communications

N-type RF adapters connect antenna feeds, receiver inputs, and test equipment in radar and defense communications systems. They also provide interface transitions during subsystem integration, maintenance, and RF performance testing.

Broadcast and Video Systems

75 Ω N-type adapters connect compatible coaxial video equipment, patch panels, and test instruments. N-to-BNC and N-to-HD-BNC transitions link different connector interfaces within broadcast installations and video measurement systems.

OEM Equipment and Production Fixtures

N-type adapters provide fixed RF interfaces on OEM enclosures, test racks, and production fixtures. Panel-mounted versions bring internal RF connections to accessible ports for assembly testing, servicing, and repeated device connections.

Technical Specifications and Ordering Requirements

Before requesting a quote, define the interface and operating requirements of the application.

  • Connector combination: Specify N-Type to N-Type or the required between-series transition.

  • Connector gender: Identify plug or jack at each end.

  • Body and mounting: State whether a straight, right-angle, panel-mount, or bulkhead configuration is needed.

  • Impedance and frequency: Provide the system impedance and complete operating frequency range.

  • RF performance: Specify any required insertion-loss, VSWR, or return-loss limits.

  • Power and environment: State the operating power and any relevant temperature, moisture, vibration, or outdoor installation requirements.

  • Quantity and documentation: Provide the quantity and any project-specific inspection or documentation requirements.

When specifying an N-Type adapter connector, describe both ends of the connection rather than providing only the connector family name. This helps clarify gender, interface series, mounting, and electrical requirements.

N-Type adapter pricing depends on the interface combination, gender, body geometry, frequency rating, RF performance, and mounting requirements. For a meaningful comparison, evaluate options against the same technical requirements rather than comparing price alone.

Quality and Standards

Buy N-type adapters from iPrece with direct engineering support, controlled quality processes, and documentation aligned with your project’s requirements.

  • ISO 9001:2015 quality management: Our certified quality system supports controlled production, consistent inspection, and handling of nonconforming products.

  • Pre-shipment validation: Mechanical and electrical checks assess conformity to specified requirements. Calibrated VNA testing verifies RF performance, including VSWR and insertion loss.

  • Compliance support: We help confirm the applicable RoHS, REACH, and qualification documentation for your selected adapter, keeping procurement approvals tied to the actual supplied product.

  • Direct engineering access: Our RF team helps resolve compatibility questions and clarify acceptance limits and required test evidence before you commit to an order.

RF N-Type Adapter FAQs

How Do I Choose Between an In-Series and a Between-Series N-Type Adapter? ↓
Choose an in-series adapter when both ends use the N-Type connector family and the required gender or body arrangement needs to be accommodated. Choose a between-series adapter when the other end uses a different connector family. In both cases, verify impedance, frequency range, mating geometry, and RF performance.
What Should I Specify for a Waveguide-to-N-Type Adapter? ↓
Define the waveguide size, operating frequency band, flange configuration, N-Type connector gender, impedance transition, and required RF performance. A waveguide-to-N-Type adapter is a specialized transition, so confirm its technical suitability and availability for the intended interface combination before ordering.
Can I Request RF Test Reports With My N-Type Adapter Order? ↓
Yes. Include the required operating band, VSWR or return-loss limit, insertion-loss limit, and report format in your RFQ. Confirm whether the requested results cover a sample, production batch, or individual unit. Report availability, test coverage, and acceptance criteria should be agreed before ordering.
When Do I Need a Low-PIM N-Type RF Adapter? ↓
Use a low-PIM adapter in multi-carrier antenna feeds, distributed antenna systems, or base-station paths where passive intermodulation could interfere with reception. Low VSWR alone does not demonstrate low-PIM performance. Define the required PIM limit, test frequencies, tone powers, and static or dynamic test conditions.
Are N-Type Adapters Waterproof? ↓
Only models with an appropriate specified sealing rating should be selected for water exposure. iPrece’s range includes selected IP67 and IP68 options. Check whether protection covers the mated interface, panel seal, or both, and follow the specified installation requirements and, for IP68, the stated immersion conditions.