RP-SMA (Reverse Polarity SMA)
Wi-Fi router antennas (regulatory requirement) · Access point external antennas
Specifications
| Impedance | 50 Ω |
| Frequency Range | DC to 18 GHz |
| Mating Cycles | 500 |
| Body Material | Brass, nickel or gold-plated |
| Contact Material | Brass, gold-plated |
Applications
- →Wi-Fi router antennas (regulatory requirement)
- →Access point external antennas
- →WLAN devices
Technical Notes
Identical mechanical dimensions to SMA but with reversed gender of center contact — male (plug) body has female center socket. FCC required this to prevent non-certified amplifiers being connected to Wi-Fi equipment. NOT intermateable with standard SMA.
Related Calculators
VSWR / Return Loss
Convert between VSWR, return loss, reflection coefficient, mismatch loss, and reflected/transmitted power percentage for RF impedance matching.
Microstrip Impedance
Calculate microstrip transmission line impedance using Hammerstad-Jensen equations. Get Z₀, effective dielectric constant, and propagation delay for PCB trace design.