

25 ft N Male to RP-SMA Male CFD400 Antenna Coax Jumper Cable for WiFi, Helium, Bluetooth, ZigBee, LoRa & Other Radio Devices
The perfect solution for connecting WiFi, Helium (HNT), Bluetooth, ZigBee, LoRa or other reverse polarity SMA radios to antennas with N Female connectors. It can also be used to connect to lightning arresters, access points or any equipment with N-Female and RPSMA Female connectors.
Proxicast's coax extension cable assemblies are constructed with top quality extremely low-loss cable and gold plated connectors and are fully tested.
CFD400 is the same diameter as RG8 but has far superior performance characteristics, matching or exceeding LMR400.
Full PDF spec sheets available under "Technical Specification" on this product listing.
- Connector 1: N Male (plug) - Chrome Plated with Gold Plated Pin
- Connector 2: RPSMA Male (plug) - Brass with Gold Plated Socket
- Length: 25 feet
- Coax: Low-loss CFD400 (0.400" dia)
- Solid Pure Copper-Clad Aluminum Center Conductor Wire
- Impedance: 50 Ohm
- Op Temp: -40 to +185F
- Min Bend Radius: 1"


Ultra-low-loss 50 Ohm CFD400 coax cable for maximum RF reception and transmission at common wireless frequencies. Significantly outperforms “RG” coax cables.

Solid copper-clad aluminum core and gold-plated signal pins provide top-quality, high-performance conductivity.

Commercial-grade components ensure maximum toughness and durability. Cable is assembled, inspected and 100% tested in our ISO 9001:2000-certified factory.

Polyethylene jacket withstands abrasions and provides excellent moisture resistance for outdoor use (not rated for direct burial or plenum applications).
You May Also Need

Universal J-Mount Bracket
Proxicast’s Pro-Grade J-Max is a heavy-duty adjustable stand-off antenna mast for convenient and flexible mounting of any sort of antenna. Available in rust-proof solid Aluminum or Stainless Steel, J-Max mounts have matched strength and durability.

Protect Yourself
Outdoor antennas should include inline lightning arresters to protect equipment and structures. Our ANT-2xx-002 series gas discharge lightning arresters protect against strikes up to 10 kA.

Flexible Mounting
Proxicast's Universal Articulated Antenna Mounting Bracket (ANT-810-AWB) provides more flexibility in mounting and positioning directional antennas

Use this cable with one of our WiFi or Helium Outdoor Antennas
![]() ANT-126-002 | ![]() ANT-127-002 | ![]() ANT-128-004 | |
|---|---|---|---|
| Customer Reviews | — | — | — |
| Price | — | — | — |
| WiFi | ? | ? | ? |
| Helium | ? | ? | no data |
| Peak Gain | 10 dBi | 10 dBi | 11 dBi |



25 ft N Male to RP-SMA Male CFD400 Antenna Coax Jumper Cable for WiFi, Helium, Bluetooth, ZigBee, LoRa & Other Radio Devices
The perfect solution for connecting WiFi, Helium (HNT), Bluetooth, ZigBee, LoRa or other reverse polarity SMA radios to antennas with N Female connectors. It can also be used to connect to lightning arresters, access points or any equipment with N-Female and RPSMA Female connectors.
Proxicast's coax extension cable assemblies are constructed with top quality extremely low-loss cable and gold plated connectors and are fully tested.
CFD400 is the same diameter as RG8 but has far superior performance characteristics, matching or exceeding LMR400.
Full PDF spec sheets available under "Technical Specification" on this product listing.
- Connector 1: N Male (plug) - Chrome Plated with Gold Plated Pin
- Connector 2: RPSMA Male (plug) - Brass with Gold Plated Socket
- Length: 25 feet
- Coax: Low-loss CFD400 (0.400" dia)
- Solid Pure Copper-Clad Aluminum Center Conductor Wire
- Impedance: 50 Ohm
- Op Temp: -40 to +185F
- Min Bend Radius: 1"


Ultra-low-loss 50 Ohm CFD400 coax cable for maximum RF reception and transmission at common wireless frequencies. Significantly outperforms “RG” coax cables.

Solid copper-clad aluminum core and gold-plated signal pins provide top-quality, high-performance conductivity.

Commercial-grade components ensure maximum toughness and durability. Cable is assembled, inspected and 100% tested in our ISO 9001:2000-certified factory.

Polyethylene jacket withstands abrasions and provides excellent moisture resistance for outdoor use (not rated for direct burial or plenum applications).
You May Also Need

Universal J-Mount Bracket
Proxicast’s Pro-Grade J-Max is a heavy-duty adjustable stand-off antenna mast for convenient and flexible mounting of any sort of antenna. Available in rust-proof solid Aluminum or Stainless Steel, J-Max mounts have matched strength and durability.

Protect Yourself
Outdoor antennas should include inline lightning arresters to protect equipment and structures. Our ANT-2xx-002 series gas discharge lightning arresters protect against strikes up to 10 kA.

Flexible Mounting
Proxicast's Universal Articulated Antenna Mounting Bracket (ANT-810-AWB) provides more flexibility in mounting and positioning directional antennas

Use this cable with one of our WiFi or Helium Outdoor Antennas
![]() ANT-126-002 | ![]() ANT-127-002 | ![]() ANT-128-004 | |
|---|---|---|---|
| Customer Reviews | — | — | — |
| Price | — | — | — |
| WiFi | ? | ? | ? |
| Helium | ? | ? | no data |
| Peak Gain | 10 dBi | 10 dBi | 11 dBi |




















































