GL100 on Traccar TCP 5003 is Queclink-style text. Gl100ProtocolDecoder matches +RESP: then GT…,, a 15-digit IMEI, optional geofence/calling-number branches, then GPS fix flag, speed, course, altitude, and related fields.
+RESP:GT on 5003 — not GL200 binary dual-path
Do not confuse with GL200 on 5004 (binary/text dual decoder via Gl200FrameDecoder) or GL601 TLV binary on 5257. GL100’s identity is the +RESP:GT… text pattern on 5003.
Catalogue stance
Stock Traccar reference only. Traxelio lists GL100 as positions_only.