3.1 Dielectric Antenna
Form 1
|
No. |
Item |
Specifications |
Post Environmental Tolerance |
|
1 |
Frequency（MHz） |
870～960MHz/1710～1990 MHz |
±3 MHz |
|
2 |
V.S.W.R（in BW ） |
≤1.6︰1 |
— |
|
3 |
Gain（Zenith） |
3.5 dB |
±0.5 dB |
|
4 |
Polarization |
Vertical |
— |
|
5 |
Impedance |
50 Ω |
— |
3.2 Mechanical
Form 2
|
No. |
Item |
Specification |
|
1 |
Cable |
— |
|
2 |
Connector |
SMA-JW |
|
3 |
Plastic Housing |
Black |
|
4 |
Size |
Φ9.2×51mm |
4 Reliability
Condition：Temperature: 40±5℃
Load: DC=5V±0.5 V
Quantity: 2000pcs
Sustained Time: 480h
5 Environmental Specifications
Condition：Post Environmental Tolerance (Refer to the form 1)
Temperature range 25±3℃
Relative Humidity range 55~75%RH
Operating Temperature range -40℃~+85℃
Storage Temperature range -40℃~+100℃
5.1 Moisture Proof
The device should satisfy the electrical characteristics specified in form 1 after exposed to the temperature 40±2℃and the relative humidity 90~95% RH for 96 hours and 1~2 hours recovery time under normal condition.
5.2 Vibration Resist
The device should satisfy the electrical characteristics specified in form 1 after applied to the vibration of 10 to 55Hz with amplitude of 1.5mm for 2 hours each in X , Y and Z directions.
5.3 Drop Shock
The device should satisfy the electrical characteristics specified in form 1 after dropping onto the hard wooden board from the height of 30cm for 3 times each facet of the 3 dimensions of the device.
5.4 High Temperature Endurance
The device should satisfy the electrical characteristics specified in form 1 after exposed to temperature 80±5℃for 24±2 hours and 1~2 hours recovery time under normal temperature.
5.5 Low Temperature Endurance
The device should also satisfy the electrical characteristics specified in form 1 after exposed to the temperature -40℃±5℃for 24±2 hours and to 2 hours recovery time under normal temperature.
5.6 Temperature Cycle Test
The device should also satisfy the electrical characteristics specified in form 1 after exposed to the low temperature -25℃ and high temperature +85℃ for 30±2 min each by 5 cycles and 1 to 2 hours recovery time under normal temperature.