ADH Technology Co. Ltd. GPS Receiver Module Module No. www.adh-tech.com.tw GP-1818MK 1 sales@adh-tech.com.
GP-1818MK 1. Product Information 1.1 Product Name GP-1818MK 1.2 Product Description GP-1818MK is a GPS receiver build-in high performances -165dBm GPS chipset. GP-1818MK provides customer high position, velocity and time accuracy performances as well as high sensitivity and tracking capabilities. Customers benefit from the strength of both companies. Thanks to the low power consumption technology, the GPS receiver is ideal for many portable applications such as PDA, Tablet PC, smart phone etc. 1.
GP-1818MK Timing application 1.5 Product Picture 2. Technical Specifications 2.1 General Characteristics 2.1.1 General Frequency L1, 1575.42 MHz C/A code 1.023 MHz chip rate Acquisition Channel 66 Tracking Channel 33 2.1.2 Accuracy Position 2.5m CEP Velocity 0.1 m/s WGS-84 Default WGS84 2.1.3 Datum 2.1.4 Time To First Fix （TTFF） Hot start <1sec., average Warm start <28sec., average Cold start <29sec.
GP-1818MK 2.1.5 Sensitivity Tracking Sensitivity -165dBm, typical Acquisition Sensitivity -148dBm, typical for cold start 2.1.6 Dynamic condition Altitude 18000m(Max) Velocity 515m/s(Max) Acceleration 4g Jerk 1g/s 2.2 Electrical Characteristics 2.2.1 DC Power Voltage +3.3V-5V DC Supply current Under 55mA @ 3.3V DC Typical 2.2.2 Serial Port Electrical Interface Two full duplex serial communication Baud rate 9.6K（Default） Navigation update rate 1Hz Protocol Message NMEA-0183 Ver 3.
GP-1818MK 2.4 Physical Characteristics Length 18 mm Width 18 mm Height 7 mm 2.5 Absolute Maximum Ratings Parameter Power supply voltage Min Typ Max Unit -0.1 3.3 5 V 3. Software Interface 3.1 NMEA V3.01 Protocol Its output signal level is TTL: 9600bps (default), 8 bit data, 1 stop bit and no parity. It supports the following NMEA-0183 Messages: GGA, GLL, GSA, GSV, RMC and VTG. NMEA Output Messages: the module board outputs the following messages as shown in Table.
GP-1818MK Message ID $GPGGA UTC Position 161229.487 hhmmss.sss Latitude 3723.2475 ddmm.mmmm N/S Indicator GGA protocol header N Longitude N=north or S=south 12158.3416 Dddmm.mmmm E/W Indicator W E=east or W=west Position Fix Indicator 1 See Table 2-1 Satellites Used 07 Range 0 to 12 HDOP 1.0 MSL Altitude 9.0 meters Units M meters Horizontal meters M meters Age of Diff. Corr. Diff. Ref.
GP-1818MK Name Example Units Description Message ID $GPGGA GLL protocol header Latitude 3723.2475 ddmm.mmmm N/S Indicator Longitude N 12158.3416 E/W Indicator W UTC Position 161229.487 Status N=north or S=south Dddmm.mmmm N=north or S=south Hhmmss.ss A=data valid or V=data not valid A Checksum *2C ＜CR＞＜LF＞ End of message termination 3.1.3 GSA-GNSS DOP and Active Satallites Table 4 contains the values of the following example: $GPGSA, A, 3, 07, 02, 26, 27, 09, 04, 15, , , , , , 1.8,1.
GP-1818MK 1 Fix not available 2 2D 3 3D Table 4-2 Mode 2 Value Description M Manual-forced to operate in 2D or 3D mode A Automatic-allowed to automatically switch 2D/3D 3.1.
GP-1818MK 1 Depending on the number of satellites tracked multiple messages of GSV data may be required. 3.1.5 RMC-Recommended Minimum Specific GNSS Data Table 6 contains the values of the following example: $GPRMC, 161229.487, A, 3723.2475, N, 12158.3416, W, 0.13, 309.62, 120598, ,*10 Table 6 GGA Data Format Name Example Message ID $GPRMC UTC Position 161229.487 Status Units RMC protocol header hhmmss.sss A=data valid or V=data not valid A Latitude N/S Indicator Longitude E/W Indicator 3723.
GP-1818MK Units N Speed knots 0.2 Units Km/hr K Checksum Measured horizontal speed Kilometer per hour *6E ＜CR＞＜LF＞ End of message termination 4. Hardware Interface The GP-1818MK includes an antenna in a unique style waterproof gadget. We can manufacture variable connector cable to suit your demands. Like USB, PHR(JST), GHR(JST), Molex, PS2, RJ11, D-Sub 9..etc. You provide me specification, we manufacture the cable and connector. Definition of Pin assignment 1234 Pin No.
