GPS Marine Antenna

Item No:MemberVTGMA-1
Update time:2010-05-09
Description: Model: VTGMA-1 1 Electrical Characteristics 1.1 LNA/Filter Form 1 No. Item Specifications Post Environmental Tolerance 1 LNA Gain 28? dB / 38? dB ?.5 dB 2 Noise Figure 1.5 dB ? 3 Filter Out Band Attenuation 14dB Min f0+50MHz 18dB Min f0-50MHz 30dB Min f0+100MHz 42dB Min f0-100MHz ?.0 dB 4 DC Voltage 3~5V 5 DC Current 6~12mA 1.2 Mechanical Form 2 No. Item Specification 1 Cable RG58 2 Connector SMA or others 3 Plastic Housing White 4 Mounting Screw 5 Weight 0.2KG（Without Connector and Cable） 2 Reliability Condition：Temperature: 40?℃ Load: DC=5V?.5 V Quantity: 2000pcs Sustained Time: 480h 3 Environmental Specifications Condition：Post Environmental Tolerance (Refer to the form 1) Temperature range 25?℃ Relative Humidity range 55~75%RH Operating Temperature range -40℃~+85℃ Storage Temperature range -40℃~+100℃ 3.1 Moisture Proof The device should satisfy the electrical characteristics specified in form 1 after exposed to the temperature 40?℃and the relative humidity 90~95% RH for 96 hours and 1~2 hours recovery time under normal condition. 3.2 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. 3.3 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. 3.4 High Temperature Endurance The device should satisfy the electrical characteristics specified in form 1 after exposed to temperature 80?℃for 24? hours and 1~2 hours recovery time under normal temperature. 3.5 Low Temperature Endurance The device should also satisfy the electrical characteristics specified in form 1 after exposed to the temperature -40℃?℃for 24? hours and to 2 hours recovery time under normal temperature. 3.6 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? min each by 5 cycles and 1 to 2 hours recovery time under normal temperature. 4 Weatherproof Put the antennas in 1m deep water for 12h, and find 100% waterproof.