SMA Dipole 2.4, 5–6 GHz Antenna — JRE ANT-245
Dual-band 2.4 and 5–6 GHz dipole antenna with SMA Male connector, swivel positioning, and less than 1.5:1 VSWR across WiFi bands.
JRE ANT-245 specifications
- Outside dimensions
- 4.25" (110 mm)
- Return Loss
- Better than −15 dB from 2.2 to 2.7 GHz and 5 to 5.8 GHz
- Dimensions
- 4.25" (110 mm)
- Connector
- SMA Male
- VSWR
- Less than 1.5:1 across the WiFi bands
- Gain
- Approximately 2 dBi
- Impedance
- 50 ohms
- Power Rating
- 1 watt
JRE ANT-245 overview
For over-the-air WiFi and Bluetooth work, I use this compact dipole to put the two commonly used bands on one fixture. The swivel-and-tilt coupling makes antenna position easy to set, then repeat from test to test.
- Dual-band coverage at 2.4 and 5–6 GHz for WiFi, Bluetooth, and other wireless devices
- Return loss better than −15 dB from 2.2 to 2.7 GHz and 5 to 5.8 GHz
- VSWR less than 1.5:1 across the WiFi bands for a consistent equipment match
- Approximately 2 dBi gain with 50 ohms characteristic impedance
- 1 watt power rating for transmit as well as receive work
- SMA Male connector on a 4.25" (110 mm) antenna body
- Swivel-and-tilt elbow for fixing orientation around the DUT and cabling
Inside an enclosure it operates in the near field, so treat it as a coupling device rather than expecting a free-space pattern. Keep its position and the DUT placement fixed when repeatability matters. At $23.00, the ANT-245 is the focused, economical choice when the test stays in its stated bands.
Go deeper
Used in: 5G & Microwave
- Using an RF test chamber at 5G and microwave frequencies FR1 vs FR2, the wavelength-vs-gap physics, MW upgrade specs and the weakest-link lab data.
- Understanding antenna performance inside an enclosure Why gain, pattern and polarization don't apply in the near field — and why the BBA-1 is the safe choice.
- How to radiate signals using antennas Path-loss figures, gold-standard benchmarking, and enclosure-to-enclosure linking on the bench.
- The RF absorbing foam inside your test chamber Why the foam is the damper and not the shield — 40 dB per wall bounce, and why a bare box gives you unrepeatable readings.
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