iRZ TL21

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  • LTE/3G/GPS terminal
  • Description
  • Specifications
  • Documentation

The new TL21 GSM/LTE-modem transits data through cell communication networks that support 2G/3G/4G. The modem supports the following frequency bands depending on the connection standards: LTE (800, 900, 1800, 2100, 2600 MHz); WCDMA (900, 2100 MHz); GSM/GPRS/EDGE (900, 1800, 1900 MHz).

TL21 is equipped with a USB interface, which allows directly connecting the modem to a computer without using an external power source. If necessary, the modem power is supplied though a TJ-6P6C connector.

TL21 supports the main communication functions: data transfer through LTE/UMTS/HSPA+/EDGE/GPRS technologies, reception and transfer of faxes and SMS text messages. The modem is controlled with standard AT commands, and a set of own control commands. The modem is equipped with a GPS function when connecting an antenna to the external pin. The use of diversity antennas is supported. The built in watchdog timer prevents the device from lagging.

The highest data transfer speed, a wide range of operating temperatures and a compact case body allow using TL21 modem in various industrial applications: telemetry and telecommand, automated data collection systems, vending systems, payment terminals, and various systems requiring wireless data transfer.

Frequency Band:
  • LTE 800/900/1800/2100/2600 MHz;
  • HSDPA+/UMTS 900/2100 MHz;
  • GSM/GPRS/EDGE 900/1800/1900 MHz;
  • GPS 1575.42 MHz;
  • Available network protocols:
  • Control through АТ commands (Hayes 3GPP TS 27.007, TS 27.005);
  • SIM applications tools;
  • Timer reset function;
  • Power sleep mode;
  • Reset options set;
  • Multiplatform support:
  • Windows 2000/XP/V
Communication Standards:
  • LTE down – up to 100 Mbps;
  • LTE up – up to 50 Mbps;
  • HSPA+ down – up to 21.1 Mbps;
  • HSPA+ up – up to 5.6 Mbps;
  • EDGE class 12 – up to 236.8 Kbps;
  • GPRS class 12 – up to 85.6 Kbps;
  • MS class В;
  • SMS: МТ, МО, СB, Text and PDU modes;
  • USSD;
  • Fax– group 3: class 1
Electrical Characteristics:
  • A possibility of USB power supply;
  • Voltage: 9 – 30 V;
  • Maximum current:
    • 200mA at 12V;
    • 100mA at 24V;
Connectors and Interfaces:
  • DB9 connector to connect a communication cable (RS232 interface) (! only for service mode);
  • USB-B connector (USB 2.0);
  • TJ-6P6C power connector;
  • SMA jack to connect a GSM antenna;
  • SMA jack to connect an additional antenna;
  • SMA jack to connect a GPS antenna;
Physical Characteristics:
  • Aluminum casing;
  • Dimensions: 76 х 77 х 31 mm max.;
  • Weight: 125 g max.;
  • Operating temperature range: -30°C to +60°C;