תיאור
| Production Name | Production Number | Version |
| GPS&BD&GLONASS External Antenna | DL-GPS&BD&GLONASS-SMAJZG3–BOB-ט | V1.0 |
- Antenna Characteristics
| לֹא. | Design Specifications | Typical | Units |
| 1 | Working Frequency | 1575.42/1561.09/1602MHz | MHz |
| 2 | Gain | 1.12dBi | |
| 3 | Antenna efficiency | 45.4% | |
| 4 | V.S.W.R. | ≤2.0dB | |
| 5 | Ploriaztion | Right-handed polarization | |
| 6 | Axial Ratio | ≤3.0 | |
| 7 | Radiation pattern | directional | |
| 8 | impedance | 50Ω | |
| 9 | Power handling | 33dbm | |
| 10 | Interface | SMA Gold-plated straight male head | |
| 11 | Ceramic Size | 35*35*4מ"מ | מ"מ |
- Amplifier Characteristics
| לֹא. | פָּרִיט | Specifications |
| 1 | Range Of Receiving Frequency | 1575.42/1561.09/1602±3MHz |
| 2 | Gain | 32±3 dB |
| 3 | V.S.W.R. | ≤2.0 |
| 4 | Noise Figure | <2.0 |
| 5 | DC Voltage | 3~5V |
| 6 | DC גurrent | ≤20mA |
- Mechanical Specifications
| גוֹדֶל | 55*50*17מ"מ | Mounting | Stick |
| מִשׁקָל | 120ז | מַחבֵּר | SMA |
| Color | Black | Cable | RG174 – 3M |
| Operatinז Temp. | -40ºC~85ºC | Storing Temp. | -45ºC~85ºC |
| Operatinז Humidity | 0~95% | Storing Humidity | 0~95% |
- Reliability טest Report
| לֹא. | Test items | Testing method | דevice name |
V.S.W.R ≤2.3 |
פָּגָז דeformation |
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| 1 | High temperature test | Place the antenna in the temperature of 80 degrees in the drying box for 12 hours, no shape deformation. Then put it in room temperature after drying for 24 hours,no oxidation. | High/low temperature tester
|
OK | לֹא | ||||||
| 2 | Low temperature test | Place the antenna in the freezer with temperature of -40 degrees for 12 hours, no shape deformation. Then put it in room temperature,no oxidation after recovery. | High/low temperature tester
|
OK | לֹא | ||||||
| 3 | Rain test | Put the antenna under a faucet and let water rush on the shell for 4 hours. Pick it up after 4 hours, there is no water at the bottom of antenna. It shows that this product has a good waterproof function. | Faucet | OK | לֹא | ||||||
| 4 | Salt spray test | Dust free, atmospheric pressure 80PA pressure; solution pH: 6.9; salt solution concentration at 35 ° C (42 liters of sea salt solute per liter of solution); density: 1.0366; after 24 hours of testing, rinse with 32 ° C flowing pure water; hair dryer air dried, no oxidation, no corrosion | Salt spray test machine | OK | NO | ||||||
