915MHz LoRa Antenna Indoor 3dBi Gain Omni SMA Male + U.FL MHF1 Cable 2 Pcs

Glad I got this. Works great with my heltec v4.

The first order had excellent SWR. My second order had one with an excellent SWR and the other one was Perfection. My small portable pocket Rak node has much better range now. Now I have two spare antennas, that means I have to order a couple of more heltech V4 nodes. The SWR measurements were done at 910.5 MHz near the USA/Canada Meshcore frequency. Edit: 4/11/2026 After on the air testing with MeshCore repeaters, and comparing other antennas, I ordered another (2pack), for use with my portable nodes. Currently testing one outdoors 20 feet up on a tower. It's waterproofed and working fine after snow and rain storms. I will take it down soon and re-install it after installing and testing it, inside a section of PEX pipe, to insure it's 100% water proof. These are great LoRa antennas!

I purchased this for a project for a school play prop using 2 RP2040 micro-controllers (Adafruit Feather RP2040 LoRa RFM95) , 1 for the prop and 1 for a remote. The receiving prop is a clock so originally I incorporated the antenna on the back, but I found that I could still easily send signals from the stage to the tech booth of the theater with only the connector cable attached to the clock (not the actual antenna) but with the full cable+antenna connected to the remote control. The distance is maybe 200ft so I'm extremely satisfied with the results. The build quality on these antenna seem excellent. Would purchase again if needed.

Works well for Meshtastic in the USA. 915Mz. May not be the best, but not the worst. I would say it is an upgrade from the small antenna that came with the heltech V3

1.1 to 1.3 swr at 915mhz. 2.3 to 2.8 swr at 915mhz bent 90 degree's. Great for a vertical antenna

I'm in a meshcore dead zone, so I built my own repeater. Now, this antenna isn't magic, but I measured both antennas on the nanoVNA and pleasantly surprised: when straight, under 1.25:1 on most of the LoRa band, best at around 908 mhz. Bend it, however, and it goes up near 2:1. Still acceptable, but keep that in mind. I oriented my case to keep it straight.

These are good Mesh antennas with a low SWR as long as you have them straight and not at an angle. When you bend them, the SWR goes wonky.

I tested both antennae from the "Antenna&IPX-Cable" variant while fully straight/vertical, since that's how I would use them. One of them has a min VSWR of 1.095 @ 915.9MHz and below 1.3 across the 902-928MHz range. The other had marginally worse results, but still stayed under 1.4 VSWR across the range.

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