GPS/GSM antenna

Center Frequency 1575.42 MHz

No.	Item	Specifications	Post Environmental Tolerance
1	Center Frequency	1575.42 MHz	±3 MHz
2	Band Width	±5 MHz	±1 MHz
3	V.S.W.R(in BW)	1.5:1	—
4	Gain(Zenith)	3 dB	±0.5 dB
5	Polarization	RHCP	—
6	Impedance	50 Ω	—

3.2 LNA/Filter

Form 2

No.	Item	Specifications	Post Environmental Tolerance
1	LNA Gain	28±2 dB	±2.5 dB
2	Noise Figure	1.5 dB	—
3	Filter Out Band Attenuation	12dB  Min  f0+50MHz 16dB  Min  f0-50MHz	±1.0 dB
4	DC Voltage	2.2~5 V
5	DC Current	5~15 mA

3.3   GSM Antenna

Form 3

No.	Item	Specifications
1	Frequency	824~894 MHz/1710~1990 MHz 880~960 MHz/1710~1990 MHz
2	V.S.W.R(5m)	≤2.0:1
3	Gain(Zenith)	2 dBi
4	Impedance	50 Ω

Mechanical

Form 4

No.	Item	Specification
1	Cable	RG174 3m/5m or others
2	Connector	SMA/SMB/MCX or others
3	Plastic Housing	Black
4	Mounting	Magnet/Adhesive/Screw

3         Reliability

Condition:Temperature:40±5°C

Load: DC=5V±0.5 V

Quantity: 2000pcs

Sustained Time:480h

4         Environmental Specifications

Post Environmental Tolerance (Refer to the form 1~2 )

Condition: Temperature range 25±3°C

Relative Humidity range 55~75%RH

Operating Temperature range -40°C~+85°C

Storage Temperature range -40°C~+100°C

5.1 Moisture Proof

The device should satisfy the electrical characteristics specified in form 1~2 after exposed to the temperature 40±2°Cand 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 1~2 after applied to the vibration of 10 to 55Hz with amplitude of 1.5mm for 2 hours each in X , Y and Z directions.

5.3 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.

5.4 High Temperature Endurance

The device should satisfy the electrical characteristics specified in form 1~2 after exposed to temperature 80±5°Cfor 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 1~2 after exposed to the temperature -40°C±5°Cfor 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 1~2 after exposed to the low temperature -25°C and high temperature +85°C for 30±2 min each by 5 cycles and 1 to 2 hours recovery time under normal temperature.

3         Weatherproof

Put the antennas in 1m deep water for 12h, and find 100% waterproof.

GPS/GSM antenna