
Heltec V3 Stock Internal Antenna
Heltec | Part: UNKNOWN
Small internal-style antenna on a u.FL/IPEX pigtail included with the Heltec LoRa 32 V3 and others, small enough to tuck inside a case.
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Specs
Brand
Heltec
Part Number
UNKNOWN
Frequency
902-928 MHz
Connector Type
u.FL/IPEX
VSWR (915MHz)
2.450:1
Category
Internal Device Antennas
Gain
Unknown
Test Results
This page collects 2 independent VSWR tests of the Heltec V3 Stock Internal 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 1.61:1 near 950 MHz.
Test #1
Configuration
VSWR Measurements
902MHz
VSWR: 2.886:1
915MHz
VSWR: 2.450:1
928MHz
VSWR: 2.058:1
Resonant point: VSWR 1.606:1 at 950 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: 2.980:1
915MHz
VSWR: 2.535:1
928MHz
VSWR: 2.191:1
Resonant point: VSWR 1.708:1 at 950 MHz (101 points measured).
Notes from test
No notes available
Tested By
Tommy Ekstrand, KG5HZC on 2026-07-08