The Perfect Bridge: When RP-SMA Meets SMA
No more guesswork with connectors! You know the drill: great Antenna, great Router – but the connectors just don't match. This Coaxial Adapter SMA Male to RP-SMA Male is the simple yet highly professional solution for exactly this problem. It creates a physically and electrically perfect connection between the two most common, yet incompatible, standards. Simply screw it in between, and the connection works as if it was never an issue.
No Compromises on Signal Quality
An adapter should never become a weak point. That's why this model is designed for maximum performance. With precise 50 Ohm impedance, signal reflection is reduced to an absolute minimum, which is crucial for clean and interference-free transmission. The gold-plated beryllium-copper inner conductors ensure optimal contact and prevent corrosion, while the PTFE dielectric provides excellent insulation. The result: a barely measurable insertion loss of less than 0.3 dB and an excellent VSWR of ≤ 1.20.
Universally Applicable: From Home Network to Lab
Don't just think about WiFi! While this adapter is perfect for WiFi Routers and Antennas in the 2.4 GHz Components or 5 GHz Components band, its capabilities extend far beyond. Thanks to its huge frequency range from direct current (DC) to 18 GHz, it's a true multi-talent. Easily use it for your 4G / 4G Outdoor Antennas or 5G Antennas / Outdoor Antennas, for GPS receivers, LoRa / Helium Antennas, or even for demanding high-frequency measurements in the lab. A small but extremely versatile RF adapter for countless projects.
Robustness You Can Feel
This adapter is designed for continuous use. The solid brass housing and precisely manufactured screw mechanism guarantee a tight and vibration-proof connection. You don't have to worry about the connection wobbling or coming loose. The high-quality materials are designed for a large number of mating cycles (up to 500) without losing quality. A reliable tool that should not be missing from any radio technology collection.
Strengths & Notes at a Glance
- Pro: Enables the connection of common but incompatible SMA and RP-SMA connectors.
- Pro: Minimal signal interference due to precise 50-Ohm matching and high-quality materials.
- Pro: Extremely wide frequency range (DC-18 GHz) makes it universally applicable for WiFi, mobile communications (4G / 4G, 5G), and more.
- Pro: Very stable and durable mechanical construction for a reliable, secure connection.
- Note: Every additional connection is a potential, albeit minimal, source of attenuation. Always tighten hand-tight.
- Note: When directly mounting a heavy Antenna, leverage can act on the device's jack.
Specifications & Features
| Product Type: | Coaxial RF (Radio Frequency) Adapter |
| Connector A (Side 1): | RP-SMA Male (Reverse Polarity) |
| Connector A Housing: | Internal Thread (Coupling Nut) |
| Connector A Center Conductor: | Socket (female / 'hole') |
| Connector B (Side 2): | SMA Male (Standard Polarity) |
| Connector B Housing: | Internal Thread (Coupling Nut) |
| Connector B Center Conductor: | Pin (male / 'pin') |
| Impedance: | 50 Ohm |
| Form Factor: | Straight |
| Frequency Range (typical): | DC to 18 GHz |
| VSWR (Voltage Standing Wave Ratio): | ≤ 1.20 max |
| Insertion Loss: | ≤ 0.3 dB (typical) |
| Housing Material: | Brass, nickel-plated or gold-plated |
| Contact Material (Center Conductor): | Beryllium Copper or Brass, gold-plated |
| Dielectric (Insulator): | PTFE (Polytetrafluoroethylene / Teflon) |
| Operating Temperature Range: | -65 °C to +125 °C |
| RoHS Compliance: | Yes |
| HAN / MPN: | SMA-01-28-TGG |
| EAN / GTIN: | 4251028601489 |
| Shop-SKU: | ART7204 |
Scope of Delivery
| 1 x Coaxial Adapter - RP-SMA Male to SMA Male, 50 Ohm |
Frequently Asked Questions (FAQ)
My WiFi Antenna has an RP-SMA connector, but my router has an SMA port. Is this the right adapter for me?
Absolutely, this is the classic scenario! With this adapter, you can easily and directly connect your RP-SMA antenna to your router's SMA port. This ensures a stable and functional connection.
Does this adapter fit my SMA and RP-SMA jacks?
Yes, that's exactly what it's designed for! You simply screw one side with the SMA connector onto your SMA jack and the other side with the RP-SMA connector onto your RP-SMA jack. This perfectly bridges the different connections.
Will I lose signal strength or WiFi speed due to the adapter?
Don't worry! Technically, there's a tiny, barely measurable attenuation of less than 0.3 dB. In practice, you won't notice it at all. Just hand-tighten the adapter, and it won't have any noticeable impact on your signal quality or speed.
What's the difference between RP-SMA and SMA connectors? They look almost identical!
Good point, they really do look confusingly similar! The difference lies in the center conductor: The standard SMA connector has a small pin in the middle, while the RP-SMA connector has a hole (socket) in that exact spot. This adapter ensures that both worlds are perfectly connected.
Does the adapter also work with my 5G or GPS antenna?
Yes, absolutely! This adapter is a true multi-talent. It covers a huge frequency range up to 18 GHz, making it perfect not only for WiFi but also for your 5G, 4G / LTE Routers, GPS, or LoRa / Helium Antennas applications with 50 Ohm impedance.
Why are there even two different standards like SMA and RP-SMA?
That's an interesting question! RP-SMA (Reverse Polarity) was introduced back then to prevent you from simply connecting any professional antenna to your home router. Technically, they are equivalent; it's just a mechanical hurdle that you elegantly overcome with this adapter.
Homepage: https://www.jarft.eu/