IMEI Command — Modem Identifier

Query the IMEI (International Mobile Equipment Identity) number of the cellular module installed in the device.

What is it for?

The IMEI command allows you to obtain the modem’s unique identifier for:

📋 Equipment registration — Hardware inventory
🛡️ Warranty management — Modem traceability
📱 SIM activation — Registration with mobile operators
🔍 Tracking — International equipment database
🔢 Default ID — The last 6 digits are the initial ID

The IMEI is a unique 15-digit identifier assigned by the modem manufacturer.

Syntax

Action	Command	Response
Query	`QIMEI`	`RIMEI xxx...xxx` (15 digits)

Practical Examples

Basic query


>QIMEI<
>RIMEI865851037974862;ID=974862;*4D<  // IMEI: 865851037974862

IMEI breakdown

The IMEI 865851037974862 breaks down into:

Section	Digits	Description
TAC	`86585103`	Type Allocation Code (manufacturer/model)
SNR	`797486`	Unique serial number
CD	`2`	Check Digit (verification digit)

Manufacturer Identification

The TAC (first 8 digits) identifies the modem manufacturer and model.

Quectel (TAC 865851…)

Model	Technology	Use
`BG96`	LTE Cat-M1/NB-IoT	IoT
`UG96`	3G UMTS/HSPA+	Global
`EC25`	4G LTE	High speed

SIMCom (TAC 868822…)

Model	Technology	Use
`SIM7600`	4G LTE	High speed
`SIM7000`	NB-IoT/Cat-M1	IoT
`SIM800`	2G GSM/GPRS	Legacy

IMEI → ID Relationship

By default, the device ID is the last 6 digits of the IMEI:


IMEI:           865851037974862
                         └────┘
Default ID:              974862

Configure ID based on IMEI


// 1. Query IMEI
>QIMEI<
>RIMEI865851037974862;ID=974862;*4D<
 
// 2. Configure ID with last 6 digits
>SID974862<
>RID974862;ID=974862;*7B<  // ✓ ID configured

Use Cases

Operator activation


>QIMEI<
>RIMEI865851037974862;ID=974862;*4D<
// Register IMEI 865851037974862 in operator portal

Validate installed module


>QIMEI<
>RIMEI865851037974862;ID=974862;*4D<  // TAC indicates Quectel BG96
 
>QVR<
>RVR RINHO SPIDER IOT v2.05.03 u1024 BG96 L76K;ID=974862;*08<  // ✓ Confirms BG96

The IMEI changes if the device’s cellular module is replaced. The SN remains the same.

Compatibility

Model	Minimum Version
Rinho Spider	v1.03.00
Rinho Ultralite	v1.03.00
Rinho Minitrack	v1.03.00
Rinho C3	v1.03.00
Rinho C5	v1.03.00
Rinho Spider IOT	v1.00.00
Rinho Smart IOT	v1.00.00
Rinho Zero IOT	v1.00.00