RF Index / Austin Mesh
HomeAustin MeshContributeAbout
Back to Antennas
Eifagur Soft Whip
Suggested

Eifagur Soft Whip

Eifagur | Part: B0DLVW8HVQ

$16.99USD

Flexible/soft SMA antenna with varying performance.

Austin Mesh

Comments from the Austin Mesh Community

The 10 dBi claim is not credible in any way. We would expect 1-3dbi max. Performance varies, so consider having a VNA on hand to test before relying on these. For a more consistent experience consider the Muzi whip instead.

Links & Resources

Buy from Amazon ($16.99/2)
View Datasheet

Some links may be affiliate links. Any commissions support Austin Mesh at no extra cost to you.

Specs

Brand

Eifagur

Part Number

B0DLVW8HVQ

Frequency

915 MHz

Connector Type

SMA Male

VSWR (915MHz)

1.484:1

Category

Portable Antennas

Gain

10 dBi (claimed)

Test Results

This page collects 4 independent VSWR tests of the Eifagur Soft Whip, measured firsthand by the Mesh community (KG5HZC). Every nanoVNA sweep is charted below and downloadable as a Touchstone (.s1p) file. Best measured VSWR is 1.37:1 near 943 MHz.

Test #1

Configuration

Ground plane: none

VSWR Measurements

902MHz

VSWR: 2.635:1

915MHz

VSWR: 2.380:1

928MHz

VSWR: 2.155:1

Resonant point: VSWR 1.916:1 at 948 MHz (101 points measured).

Notes from test

Best match near 948 MHz. Tuned above the band.

Tested By

Tommy Ekstrand, KG5HZC on 2026-07-08

Sample 1, from Amazon

Download .s1p (Touchstone)

Test #2

Configuration

Ground plane: none

VSWR Measurements

902MHz

VSWR: 2.444:1

915MHz

VSWR: 2.160:1

928MHz

VSWR: 1.971:1

Resonant point: VSWR 1.710:1 at 950 MHz (101 points measured).

Notes from test

Held in hand sample 1 improves slightly: 2.4:1 at 902 MHz down to 2.0:1 at 928 MHz.

Tested By

Tommy Ekstrand, KG5HZC on 2026-07-08

Sample 1, from Amazon

Download .s1p (Touchstone)

Test #3

Configuration

Ground plane: none

VSWR Measurements

902MHz

VSWR: 1.918:1

915MHz

VSWR: 1.751:1

928MHz

VSWR: 1.666:1

Resonant point: VSWR 1.617:1 at 933 MHz (101 points measured).

Notes from test

Sample 2 measures notably better: 1.9:1 at 902 MHz, 1.75:1 at 915 MHz, 1.7:1 at 928 MHz with best match near 933 MHz.

Tested By

Tommy Ekstrand, KG5HZC on 2026-07-08

Sample 2, from Amazon

Download .s1p (Touchstone)

Test #4

Configuration

Ground plane: none

VSWR Measurements

902MHz

VSWR: 1.708:1

915MHz

VSWR: 1.484:1

928MHz

VSWR: 1.381:1

Resonant point: VSWR 1.366:1 at 943 MHz (101 points measured).

Notes from test

No notes available

Tested By

Tommy Ekstrand, KG5HZC on 2026-07-08

Sample 2, from Amazon

Download .s1p (Touchstone)

RF Index

HomeMeshtasticAbout

Contribute

Add a deviceRemove a deviceReport an issueRequest an updateSubmit antenna test data

© 2026 RF Index. Code: PolyForm Noncommercial 1.0.0 · Data: CC BY-NC-SA 4.0