315MHz Helical Spring Antenna

2.15dBi Gain at 315MHz

315MHz spring antenna is a spiral-shaped antenna for use with 315MHz 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.

Easy to use with excellent performance and can be soldered directly to the wireless module. Spring size measures only 27mm (approximately 1-inch in length).

Specifications:

Frequency: 315 (+/- 5) MHz
VSWR: <1.5
Gain: 2.15 dBi
Input Impedance: 50 ohm
Maximum Power: 10W
Wire Diameter: 0.5mm
Height: 27 +/-1 mm (37.5 Turns)
Weight: 1g

Package: Packaged Individually