
JC Antenna JCG402LR-2
JC Antenna | Part: JCG402LR-2
905-920 MHz LoRa whip from JC Antenna (part JCG402LR-2), a hinged whip that can be run straight or bent.
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Specs
Brand
JC Antenna
Part Number
JCG402LR-2
Frequency
905-920 MHz
Connector Type
SMA Male
VSWR (915MHz)
2.365:1
Category
Portable Antennas
Gain
2 dBi
Length
110 mm
Width
10 mm
Test Results
This page collects 3 independent VSWR tests of the JC Antenna JCG402LR-2, measured firsthand by the Mesh community (KG5HZC). Every nanoVNA sweep is charted below and downloadable as a Touchstone (.s1p) file. Best measured VSWR is 2.08:1 near 940 MHz.
Test #1
Configuration
VSWR Measurements
902MHz
VSWR: 2.710:1
915MHz
VSWR: 2.365:1
928MHz
VSWR: 2.180:1
Resonant point: VSWR 2.135:1 at 933 MHz (101 points measured).
Notes from test
No notes available
Tested By
Tommy Ekstrand, KG5HZC on 2026-07-01
from DigiKey, purchased 2025-05-26
Test #2
Configuration
VSWR Measurements
902MHz
VSWR: 3.236:1
915MHz
VSWR: 2.640:1
928MHz
VSWR: 2.261:1
Resonant point: VSWR 2.083:1 at 940 MHz (101 points measured).
Notes from test
No notes available
Tested By
Tommy Ekstrand, KG5HZC on 2026-07-01
from DigiKey, purchased 2025-05-26
Test #3
Configuration
VSWR Measurements
902MHz
VSWR: 5.590:1
915MHz
VSWR: 4.842:1
928MHz
VSWR: 4.155:1
Resonant point: VSWR 3.218:1 at 950 MHz (101 points measured).
Notes from test
Tested straight on a ground plane.
Tested By
Tommy Ekstrand, KG5HZC on 2026-07-01
from DigiKey, purchased 2025-05-26