Types 7G / 75 / 7E
Compact low-loss families spanning 18–40 GHz.
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RF / SEALED / 05
Vapor-Sealed Microwave RF Assemblies
A durable barrier prevents water, vapor, fuel and aircraft contaminants from entering while maintaining low loss, phase stability and high shielding through 40 GHz.
2–40 GHz family−58 to +200 °CVapor and fluid barrier
PRODUCT FAMILYMicrowave RF Cables & Assemblies ↗
01 / CONFIGURATION DIRECTIONS
Select a configuration from the application boundaries
These configurations establish a practical discussion starting point. The final product requires a controlled specification based on interface, length, installation and validation conditions.
Types 7L / 7M
2–7 GHz and larger power/diameter direction.
Replaceable-connector assembly
Defined around SMA, TNC and related interfaces and length.
Match a solution direction to the link target
Solution codes support early technical discussions by aligning protocol, construction, link boundaries and application in one view.
SOLUTION CODEPROTOCOL / RATECONSTRUCTIONKEY BOUNDARYBEST FIT
RF-SEALED-01Types 7G / 75 / 7ECompact low-loss families spanning 18–40 GHz.2–40 GHz familyAESA radar
RF-SEALED-02Types 7L / 7M2–7 GHz and larger power/diameter direction.−58 to +200 °CElectronic defense and signal detection
RF-SEALED-03Replaceable-connector assemblyDefined around SMA, TNC and related interfaces and length.Vapor and fluid barrierSATCOM and GPS
MODEL NOTERF values vary by cable type, frequency, length and connector. The finished assembly must be tested in its defined configuration.
02 / PERFORMANCE PARAMETERS
Product performance parameters
The following values describe current product performance boundaries, with the applicable model, construction or test condition retained.
PERFORMANCE METRICVALUECONFIGURATION / CONDITION
01Maximum frequency2–40 GHz
By cable type
02Typical VSWR1.10:1–1.30:1
At maximum frequency, straight connector
03Typical insertion loss0.04–0.78 dB/ft
At each type's maximum frequency
04Standard impedance / velocity50 ± 1 Ω · 85%
Full family
05Shielding effectiveness> 90 dB
Through each type's maximum frequency
06Diameter / minimum bend radius3.80–14.35 / 19–80 mm
By cable type
07Temperature / concentrated load−58 to +200 °C · 50 lb/in
Full family
Types 7G, 75, 7E, 7L and 7M cover different frequencies, diameters and bend radii.
Technical referenceValues are confirmed against category, gauge, length and termination
03 / TYPICAL CONSTRUCTION
From functional core to terminated interface
Silver-plated center conductor
Solid or stranded geometry is selected for frequency, power, flex and termination.
Expanded PTFE dielectric
Maintains 50-ohm coaxial geometry while reducing high-frequency dielectric loss.
Multilayer outer conductor
A stable return and shielding path limits impedance change after installation.
Rugged or barrier jacket
Resists crush, abrasion, bending, vapor and aircraft-fluid ingress.
Replaceable connector
Interface, direction, length and service strategy complete the assembly.
04 / SELECTION & VALIDATION
Inputs needed to start a custom assessment
SELECTION ITEMINFORMATION TO CONFIRM
01Frequency and power
Maximum frequency, CW/pulse power and link loss
02Amplitude and phase
VSWR, insertion loss, phase, delay and thermal stability
03Assembly length
Equipment spacing, service loop, route and matching
04Installation
Diameter, mass, bend radius, crush and maintenance loads
05Environment
Temperature, vibration, vapor, fuel, fluids and EMI
06Connector
SMA, TNC, 2.92 mm and replaceable-interface options
Typical applications
- AESA radar
- Electronic defense and signal detection
- SATCOM and GPS
- L-band air-to-ground communications
Interfaces & delivery
- SMA, TNC, 2.92 mm and related RF interfaces
- Straight, right-angle and low-profile connectors
- Fixed-length assembly and replaceable connector interface
ENGINEERING NOTE
RF values vary by cable type, frequency, length and connector. The finished assembly must be tested in its defined configuration.
Ready to define a controlled specification?
Bring us the interface, environment and validation requirements.
Yidong Telecom can build a sample direction and validation matrix around the cable construction, termination and system boundaries.
Submit requirement checklist ↗