Specification :

Specification
1) Spring Antenna
Frequency Range 433± 5MHz
V.S.W.R 1.5: 1
Impedance 50 ohm
Typical Gain( w/ o cable) 2.25 dBi
Polarization Type Vertical or Horizontal
2) Mechanical
Optional Connectors soldering onto the device directly
Weight 1.5g
Diameter 5mm
Length 38± 1mm( including the soldering part)
Color Gold/ Silver
3) Enviromental
Working Temp. -40 ~ + 85