High Gain 2 dB GSM Internal Antenna 868 Mhz WIFI PCB Antenna Design

A. Electrical Characteristics

Frequency

824~960 MHz,1710 ~ 1880 MHz

Impedance

50 ohm

S.W.R

2.0 Max.

Peak Gain

2 dB

Return Loss

>= 10 dB

B. Material & Mechanical Characteristics

Cable Type

RF 1.13

Connector Type

?I-PEX 20278-112R-13

Pull Force

>1.0 Kg

C. Environmental

Operation Temperature

- 40 ?C ~ + 65 ?C

Storage Temperature

- 40 ?C ~ +80?C

Test Items

Test Condition and Procedure

Requirements

C1

S.W.R.

Set DUT on Network Analyzer; make individual calibration to test

Directive DUT specification

M1

Vibration

MIL-STD-202G, 201A

Amplitude: 0.03 inch (0.76mm); Freq: 10 to 55 Hz

3 directions; 2 hours for each direction

1. No Visual Damage

2. Frequency Tol.<= 5%

M2

Random

Drop

Height: 1.5 Meter;

3 directions; 1 time for each direction

1. No parts separated

2. Frequency Tol.<= 5%

M3

Solderability

MIL-STD-202G, 210F, cond. A

Solder iron: 350±10°C; Duration: 5 seconds

1. Mounted on PCB

2. No Visual Damage

M4

Terminal-

Pull Test

MIL-STD-202G, 211A, cond. A

Holding with individual specification; force applied

to axis of terminal

1. Directive DUT specification

2. Frequency Tol.<= 5%

M5

Dimension

Inspection of dimension, color, material, package,

surface process

Directive DUT specification

E1

Salt Spray

MIL-STD-202G, 101E, cond. B

Temp: 35°C; RH: >= 95%; NaCl solution: >= 5%;

Time: 48 hours

After 2 Hours Recovery

1. No Visual Damage

2. Frequency Tol.<= 5%

E2

Humidity

MIL-STD-202G, 103B, cond. B

Temp: 40°C; RH: >= 95%; Time: 48 hours

After 2 Hours Recovery

1. No Visual Damage

2. Frequency Tol.<= 5%

E3

Thermal Shock

1 Cycle: - 40°C (30 minutes) to + 80°C (30 minutes)

Cycles: 24

After 2 Hours Recovery

1. No Visual Damage

2. Frequency Tol.<= 5%

E4

Life (High Temp.)

MIL-STD-202G, 108A, cond. A

Temp: 85°C; Time: 96 hours

After 2 Hours Recovery

1. No Visual Damage

2. Frequency Tol.<= 5%

R1

RoHS