Magnetic Mount Antenna
A compact magnetic antenna with a straight SMA connection
The GLDTCZ38638732MSMA73 is a magnetic-mount antenna for the 863–873 MHz range. It has a vertically polarized, omnidirectional radiation pattern, with a specified gain of 3 dBi and VSWR below 2.0. Specifications include 50 Ω impedance, 50 W maximum power and DC-grounded lightning protection.
A 2 m RG174 cable terminates in a straight SMA male connector. The antenna is 73 ±3 mm high; the mechanical table lists a 31 mm maximum diameter, while the drawing gives the base as Ø31 ±1 mm. Its black housing has a source-specified IP67 waterproof rating. The supplied drawing also records the cable length as 2000 ±100 mm.
The model-specific VSWR plot records 1.4956 at 863 MHz and 1.5031 at 873 MHz. These are the two supplied test markers; the specified limit remains VSWR <2.0. The dimensional drawing and test plot are included in the downloadable datasheet.
Product questions
What connector and cable are specified?
Specifications include a straight SMA male connector and a 2 m RG174 cable.
What dimensions does the source drawing give?
Height is 73 ±3 mm, base diameter is Ø31 ±1 mm and cable length is 2000 ±100 mm.
What does the supplied VSWR test show?
The source plot records VSWR 1.4956 at 863 MHz and 1.5031 at 873 MHz; the specification limit is <2.0.
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