Specifications

3. GPS
3.1 GPS Antenna Requirements
The GPS module is not provided with an internal LNA amplifier. The use of an active antenna is
important to achieve a good performance. The module is provided of an Antenna supply circuit.
As suggested on the Product Description the external active antenna for a GPS device shall fulfill the
following requirements:
ANTENNA REQUIREMENTS
Frequency range 1575.42 MHz (GPS L1)
Bandwidth +- 1.023 MHz
Gain 1.5 dBi < Gain < 4.5 dBi
Impedance 50 ohm
Amplification Typical 25dB (max 27dB)
Supply voltage Must accept from 3 to 5 V DC
Current consumption Typical 20 mA (40 mA max)
Table 10: GPS Antenna requirements
4. Mechanical Characteristics
Weight 160g
Dimensions (max) L x W x H 98 mm x 82mm x 30mm
Temperature range -20°C to +70°C ambient temperature
Protection class IP40 Avoid exposing JAVA BOX Terminal to liquid or moisture
Mechanical vibrations Amplitude 7.5mm at 5-200Hz sinus
Air humidity 5% - 85%
Class of flammability UL94 HB
Casing material PC/ABS Cycoloy 1200 HF
Table 11: Mechanical characteristics
Figure 19: Mechanical measurements
Java Box Terminal Hardware Interface Description
Released