 "آنتن GPS داخلی فعال 28dB")
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آنتن GPS داخلی فعال -در ابعاد کوچک با کانکتور IPEX
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آنتن GPS
اکتیو داخلی
1 Dimension（Unit：mm）
2 Electrical Characteristics
2.1 Dielectric Antenna
Form 1
|
No. |
Item |
Specifications |
Post Environmental Tolerance |
|
1 |
Center Frequency（MHz） |
1575.42 MHz |
±3 MHz |
|
2 |
Band Width（MHz） |
±5 MHz |
±1 MHz |
|
3 |
V.S.W.R（in BW） |
1.5︰1 |
— |
|
4 |
Gain（Zenith） |
2 dB |
±0.5 dB |
|
5 |
Polarization |
RHCP |
— |
|
6 |
Impedance |
50 Ω |
— |
2.2 LNA / Filter
Form 2
|
No. |
Item |
Specifications |
Post Environmental Tolerance |
|
1 |
LNA Gain |
28±3 dB |
±2.5 dB |
|
2 |
Noise Figure |
1.5 dB |
— |
|
3 |
Filter Out Band Attenuation |
30dB Min f0+40MHz |
±1.0 dB |
|
4 |
DC Voltage |
3V / 5V / 3～5V or others |
|
|
5 |
DC Current |
5mA, 10mA |
|
2.3 Mechanical
Form 3
|
No. |
Item |
Specification |
|
1 |
Cable |
RF1.13 |
|
2 |
Connector |
IPEX |
|
3 |
Plastic Housing |
- |
|
4 |
Mounting |
Internal |
3 Reliability
Condition：Temperature: 40±5℃
Load: DC=5V±0.5 V
Quantity: 2000pcs
Sustained Time: 480h
4 Environmental Specifications
Condition：Post Environmental Tolerance (Refer to the form 1~2 )
Temperature Range 25±3℃
Relative Humidity Range 55~75%RH
Operating Temperature Range -40℃~+85℃
Storage Temperature Range -40℃~+100℃
4.1 Moisture Proof
The device should satisfy the electrical characteristics specified in form 1~2 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.
4.2 Vibration Resist
The device should satisfy the electrical characteristics specified in form 1~2 after applied to the vibration of 10 to 55Hz with amplitude of 1.5mm for 2 hours each in X, Y and Z directions.
4.3 Drop Shock
The device should satisfy the electrical characteristics specified in form 1~2 after dropping onto the hard wooden board from the height of 30cm for 3 times each facet of the 3 dimensions of the device.
4.4 High Temperature Endurance
The device should satisfy the electrical characteristics specified in form 1~2 after exposed to temperature 80±5℃ for 24±2 hours and 1~2 hours recovery time under normal temperature.
4.5 Low Temperature Endurance
The device should also satisfy the electrical characteristics specified in form 1~2 after exposed to the temperature -40℃±5℃ for 24±2 hours and to 2 hours recovery time under normal temperature.
4.6 Temperature Cycle Test
The device should also satisfy the electrical characteristics specified in form 1~2 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.
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