Cable
RG402_BLUE
End A
RP-SMA FEMALE
$1.00
End B
SMA MALE
$1.00
RG402_BLUE — RP-SMA FEMALE to SMA MALE
Custom RG402_BLUE cable assembly with RP-SMA FEMALE and SMA MALE connectors. Every cable is hand-assembled, tested, and ships free.
| Length | Price | |
|---|---|---|
| 1 ft | $15.98 | |
| 6 ft | $30.98 | |
| 25 ft | $87.98 |
Specs Summary
About This Assembly
RG402_BLUE Cable
RG-402 Blue is identical in electrical specification to standard RG-402 but features a blue outer jacket for easy visual identification in multi-cable lab setups. Color coding simplifies cable management on test benches and helps prevent mix-ups in complex wiring harnesses or rack-mounted equipment.
RP-SMA Connector
RP-SMA (Reverse Polarity SMA) uses the SMA threaded coupling mechanism but with the male/female pin convention reversed — the jack has a pin and the plug has a socket. Originally standardized to prevent connection of uncertified antennas to consumer WiFi equipment, RP-SMA is now the dominant connector on commercial WiFi routers, access points, and 2.4/5 GHz antennas.
SMA Connector
SMA (SubMiniature version A) is the most widely used RF connector in the industry, offering a threaded interface that provides a secure, low-reflection connection from DC to 18 GHz. Its compact size, 50-ohm impedance, and broad frequency range make it the default choice for WiFi equipment, software-defined radios, cellular antennas, GPS receivers, and RF test instruments.
Common Applications
This RP-SMA and SMA cable assembly is well suited for color-coded lab setups and test bench cable management. The combination of reliable RP-SMA and SMA connectors and custom-cut cable length makes it a practical choice for both field installations and bench setups. Every assembly is hand-terminated, continuity tested, and ships free within the USA.
RG402_BLUE Signal Loss
Approximate attenuation at common RF frequencies.
| Frequency | Loss / 100 ft | Loss / ft |
|---|---|---|
| 100 MHz | 3.5 dB | 0.035 dB |
| 450 MHz | 7.5 dB | 0.075 dB |
| 900 MHz | 10.8 dB | 0.108 dB |
| 1.8 GHz | 15.5 dB | 0.155 dB |
| 2.4 GHz | 18.5 dB | 0.185 dB |
| 5.8 GHz | 30 dB | 0.3 dB |
Frequently Asked Questions
What is RG402_BLUE coaxial cable used for?
RG-402 Blue is identical in electrical specification to standard RG-402 but features a blue outer jacket for easy visual identification in multi-cable lab setups. Color coding simplifies cable management on test benches and helps prevent mix-ups in complex wiring harnesses or rack-mounted equipment.
What is the signal loss of RG402_BLUE?
At 1800 MHz, RG402_BLUE has approximately 15.5 dB of loss per 100 ft (0.155 dB/ft).
What frequency range does this assembly support?
This assembly is rated DC – 18 GHz, limited by the lowest-rated component across the cable and connectors.
What is a RP-SMA connector?
RP-SMA (Reverse Polarity SMA) uses the SMA threaded coupling mechanism but with the male/female pin convention reversed — the jack has a pin and the plug has a socket. Originally standardized to prevent connection of uncertified antennas to consumer WiFi equipment, RP-SMA is now the dominant connector on commercial WiFi routers, access points, and 2.4/5 GHz antennas.
