Embedded 433MHZ elbow spring antenna 433MHZ copper spiral coil antenna Suitable for wireless meter reading, electricity meter, water meter，motherboard welding.

Feature：

● The antenna has good standing wave ratio performance

● Small size, easy installation, stable performance, good anti-vibration and anti-aging.

● Professional Production: Have undergone extensive quality and safety

●ROHS Compliant.

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Product Description：

Embedded Antenna 433MHz spring antenna is a spiral-shaped Internal Antenna for use with 433MHz transmitters or receivers. Very common and widely used in security monitoring, Internet of Things, RF remotes, RFID, industrial remote control, to name a few. They feature a low VSWR, are easily installed, and offer stable performance with good anti-vibration qualities.

Coil Antenna,Easy to use with excellent performance and can be soldered directly to the wireless module. Spring size measures only 28mm (approximately 1-inch in length).

MHZ-TD-A200-0128 Electrical Specifications
Frequency range（MHz）	433MHZ
Bandwidth（MHz）	10
Gain（dBi）	3dBi
VSWR	≤2.0
Voltage（V）	3-5V
Input Impedance（Ω）	50
Polarization	Vertical
Maximum input power（W）	50
Lightning protection	DC Ground
Mechanical Specifications
Antenna weight（kg）	0.001
plating	gold plated
length(mm)	28MM
Operating temperature（°c）	-40～60
Working humidity	5-95%
Cable color	yellow
Mounting way	Embedded welding