Hi here difference between http and tcp (modem send data every 20seconds )
Http send all protocol
HTTP Version
POST /?imei=&serial_num=110362xxxx HTTP/1.1
Host: data.xxxxx.fr:8501
Accept: /
Content-Type: application/vnd.teltonika.nmea
Content-Length: 1261
Expect: 100-continue
$GNGNS,095505.00,4750.131834,N,00155.092043,E,AAN,11,0.9,119.5,48.0,,14
$GPVTG,270.2,T,272.3,M,0.0,N,0.0,K,A20
$GPRMC,095505.00,A,4750.131834,N,00155.092043,E,0.0,270.2,190420,2.1,W,A26
$GPGSA,A,2,02,06,10,12,14,15,24,25,32,,,,1.1,0.9,0.73A
$GNGSA,A,2,02,06,10,12,14,15,24,25,32,,,,1.1,0.9,0.7,139
$GNGSA,A,2,66,75,,,,,,,,,,,1.1,0.9,0.7,23F
$GNGSA,A,2,,,,,,,,,,,,,1.1,0.9,0.7,33C
$PQGSA,A,2,20,23,,,,,,,,,,,1.1,0.9,0.7,430
$PQGSA,A,2,,,,,,,,,,,,,1.1,0.9,0.7,532
$GLGSV,3,1,10,66,26,323,27,76,11,277,15,75,56,306,27,65,36,247,2167
$GLGSV,3,2,10,72,13,206,16,74,47,060,,73,11,080,,84,39,080,65
$GLGSV,3,3,10,83,14,019,,85,18,143,60
$GPGSV,4,1,13,02,07,113,25,06,10,085,24,10,09,260,34,12,80,262,3472
$GPGSV,4,2,13,14,14,319,38,15,09,170,28,19,30,049,20,24,66,112,307F
$GPGSV,4,3,13,25,45,248,35,32,33,305,36,17,13,035,,29,02,191,72
$GPGSV,4,4,13,49,,,3570
$PQGSV,3,1,09,11,42,106,23,13,16,077,25,20,20,305,38,23,75,312,41,0,469
$PQGSV,3,2,09,25,45,088,28,28,02,178,32,05,12,115,,08,17,050,,0,460
$PQGSV,3,3,09,12,24,045,,0,4*56
$GAGSV,2,1,08,07,45,270,40,02,59,059,,08,30,202,,11,16,040,*6E
$GAGSV,2,2,08,25,09,074,,27,09,260,,30,61,274,,36,25,092,*69
$GPGGA,095506.00,4750.131086,N,00155.094138,E,1,10,0.7,116.0,M,48.0,M,,62
$PTLTGSM,LTE,028
vs TCP 000000000000003608010000016B40D8EA30010000000000000000000000000000000105021503010101425E0F01F10000601A014E0000000000000000010000C7CF