What is the correct protocol and port for a Chinese TK003 tracker?

I have a Chinese TK003 tracker (IMEI: 358657106335552) connected to my Traccar server. I am seeing logs but don’t know the correct protocol or port. Can someone help identify them?

2025-11-20 07:32:48  INFO: [Tde5c58d7: gps103 < 165.58.129.178] 78780d01035865710633555200003bd00d0a
2025-11-20 07:32:48  WARN: [Tde5c58d7] error - begin 21, end 24, length 15 - StringIndexOutOfBoundsException (... < Gps103ProtocolDecoder:399 < ExtendedObjectDecoder:73 < ... < WrapperContext:102 < ... < WrapperInboundHandler:56 < ...)
2025-11-20 07:32:48  WARN: [Tde5c58d7] error - begin 21, end 24, length 3 - StringIndexOutOfBoundsException (... < Gps103ProtocolDecoder:399 < ExtendedObjectDecoder:73 < ... < WrapperContext:102 < ... < WrapperInboundHandler:56 < ...)

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