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The SANAV protocol

The protocol of SANAV devices, from San Jose Technology, a Taiwanese manufacturer operating since 1990. Besides tracking it makes receivers, antennas and <strong>AIS transponders for vessels</strong>.

It is spoken by the GC-101, MT-101 and CT-24. They are configured with commands, using the SIM's APN and the server address.

Which port it comes in onOur server listens for the SANAV protocol on port 6051. That is the port you set on the device, together with the server address. Point it somewhere else and the data still leaves, but the server cannot read it.
Careful with what other sites tell youIf what they are asking for is AIS, careful: <strong>that is not tracking and is not sold the same way</strong>. It has its own maritime rules and approvals, so confirm what your country's authority requires before quoting.

Build the configuration command

We do not have this protocol's commands yetWe would rather tell you than make them up. We only publish the ones we have checked against the manufacturer's manual or against a real device. If you have them confirmed, send them to us and we will add them.
Send us the commands

Devices that use it

SanavSee this brand's devices

Receive this protocol on your own platform

No server to set up and nothing to program: the platform already reads this protocol. You add the brand and the domain.

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Back to the lookup

IMEI lookupDevice identification tool. We do not perform unlocking, carrier release or mobile blacklist checks, and we are not affiliated with the GSMA.

Where the data comes fromPublic mobile TAC database (MIT licence, Copyright (c) 2026 Moaz Ebrahem), TAC codes published by Teltonika on its official wiki, and the protocol observed on devices connected to the Appogio platform. We publish no full IMEI and no customer data.

Frequently asked questions

Which devices speak the SANAV protocol?

The GC-101, MT-101 and CT-24, from San Jose Technology, a Taiwanese manufacturer operating since 1990.

Does it work for vessels?

The company also makes AIS transponders, which is a different thing from tracking and has its own maritime approvals.

What do I confirm before buying AIS?

What your country's maritime authority requires. A device can work perfectly and still not satisfy the paperwork.