Prior to purchase, please confirm the following priorities, to determine if your machine is applicable to the specification of GPS antenna: 1: confirm whether your DVR machine supports GPS! (there are some machine GPS function, see the GPS socket shell is empty inside the actual! If only the socket, and the system does not support GPS, so be sure to your manufacturers to clearly understand the actual machine with no GPS function!) 2: confirm the support of the GPS headset plug is 3.5MM? 3: confirm that your DVR device is connected to the 3PIN device to support the definition of the connection? Special note 1: This external GPS antenna can not be used for mobile phones, laptops, tablet above! Special note 2: There are many with GPS navigation function recorder machine shell marked with GPS the socket on the market, manual also said GPS is optional features, but actual machine is GPS does not support! Because of the appearance of the same machine, manufacturers may be a variety of configuration, there is some support for the GPS is not supported, so it is possible shell and instructions are written the words of GPS, while the machine is practical and does not support a GPS, so before placing an order to buy a GPS module must be solution clearly your machine practical support does not support a GPS function! Because DVR equipment manufacturers a lot of equipment with the GPS antenna is not used to determine the use of general, please confirm the above information and then decide to buy! This product is the default output TTL UART agreement, purchase specification model of please understand traveling data recorder, whether to support the GPS module, and the PIN definition Antenna integrated module, Gmouse is widely used in the tachograph, electronic dog, smart mirrors, model aircraft and other applications. Mainstream 25 ceramic antenna integrated modules are widely used in automotive external Gmouse external antenna. 
Before buying, please confirm the GPS module interface definitions pin Cable length: 1.5 meters -163db acquisition / tracking channels Build on high performance GPS single chip Low power consumption 35MA3.3-5V when fixed Integrated high sensitivity (5PPM) TCXO Integrated RTC Crystal and Farad capacitor for faster TTFF NMEA 0183 v3.01 slandered output Stranded: 3.5mm 3PIN UART / TTL interface for Enable, GND, Tx, VCC Integrated LNA with high sensitivity passive Patch Antenna, Size: 25 (w) mmX25 (d) mmX4 (h) mm RoHS compliant (Lead-free) Product Application Automotive application Car navigation and tracking AVL and Location-Based Services Handheld GPS receiver application Ideal for DVR, Safety warning instrument and other consumer devices requiring Positioning capability Sports and Recreation Marine Navigation, Fleet Management Timing application
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