RAKARJ11 860-868 MHz Black Plastic Antenna Datasheet

Overview

Figure 1: RAKARJ11 Antenna Overview

Features

• Frequency Range: 860-868 MHz
• Max Gain: 2.39 dBi
• High efficiency
• Vertically polarized monopole

Specifications

Parameter	Value
Model	RAKARJ11
Frequency Range	860-868 MHz
Gain	2.39 dBi
VSWR	≤ 2.5
Impedance	50 Ω
Polarization	Vertical
Power	50 W
Connector	RP-SMA-J
Dimensions	L: 109 ±4 mm

VSWR and Return Loss

Frequency (MHz)	VSWR	Return Loss (dB)
860	1.6046	-12.31
861	1.5746	-13.20
862	1.5446	-13.45
863	1.5212	-13.71
864	1.4978	-13.98
865	1.4744	-14.41
866	1.4558	-14.56
867	1.4372	-14.88
868	1.4185	-15.21

Figure 1: VSWR Graph

Peak Gain & Efficiency

Frequency (MHz)	Efficiency (%)	Gain (dBi)
860	32.72	2.08
861	31.38	2.59
862	32.38	2.06
863	33.38	2.37
864	31.28	2.39
865	30.19	2.12
866	29.46	2.13
867	37.38	2.09
868	38.38	2.12
869	30.38	2.16
870	29.29	2.15

Radiation Patterns

Figure 1: Radiation Patterns

Mechanical Characteristics

Figure 1: Mechanical Specifications