規格與說明:

The Joymax GWX-180ASA2B antenna is a whip-style dipole antenna for sub-1 GHz 915 MHz and low-power, wide-area (LPWA) applications including LoRaWAN®, Sigfox®, Weightless-P, WiFi HaLow and other unlicensed ISM bands in the 902 MHz to 928 MHz range.
 
The tilt/Swivel design allows the antenna to be positioned for optimum performance and reduces the potential for damage from impact compared to a fixed whip design. The antenna attaches with an SMA plug (male pin) or RP-SMA Plug (female socket) connector.

Electrical Data ( measured with the antenna hanging free in a straight orientation without ground plane)
Frequency (MHz)	VSWR (Max)	Peak Gain (dBi)	Efficiency (%)
915	2.0	2.0	80
Polarization		Linear
Wavelength		½
Electrical Type		Dipole
Radiation Pattern		Omni directional
Impedance (Ohms)		50

Mechanical Data
Mounting Type	Connector Mount
Termination	SMA Plug
Dimension	203mm (Straight) x ⌀13 mm
Op. Temp	-30˚C to +70˚C
IP Rating	IP67