
Heltec V3 Stock Stubby Antenna
Heltec | Part: UNKNOWN
SMA stubby antenna, about 2 inches long bundled with the Heltec LoRa 32 V3 and others.
Comments from the Austin Mesh Community
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Specs
Brand
Heltec
Part Number
UNKNOWN
Frequency
902-928 MHz
Connector Type
SMA Male
VSWR (915MHz)
1.933:1
Category
Portable Antennas
Gain
Unknown
Test Results
This page collects 2 independent VSWR tests of the Heltec V3 Stock Stubby Antenna, measured firsthand by the Mesh community (KG5HZC). Every nanoVNA sweep is charted below and downloadable as a Touchstone (.s1p) file. Best measured VSWR is 1.59:1 near 892 MHz.
Test #1
Configuration
VSWR Measurements
902MHz
VSWR: 1.677:1
915MHz
VSWR: 1.933:1
928MHz
VSWR: 2.219:1
Resonant point: VSWR 1.595:1 at 892 MHz (101 points measured).
Notes from test
No notes available
Tested By
Tommy Ekstrand, KG5HZC on 2026-07-08
Test #2
Configuration
VSWR Measurements
902MHz
VSWR: 2.047:1
915MHz
VSWR: 2.290:1
928MHz
VSWR: 2.532:1
Resonant point: VSWR 1.959:1 at 891 MHz (101 points measured).
Notes from test
No notes available
Tested By
Tommy Ekstrand, KG5HZC on 2026-07-08