LM103-A module supports Band3、Band7、Band20 、B31 frequencies.This module adopts standard Mini PCI Express interface embedded to various mobile devices,or adopts（test motherboard）USB interfact contacted PC、 notebook computer etc. devices，provides users with high-speed and high-performance mobile data service experience.
LM103-A module can be widely used in various consumer, industrial and Internet of Things fields, including: CPE, POS, intelligent meter reading, IPC, vehicle network, tablet computer and other mobile Internet equipments.
LM103-A module module supports many LTE frequencies，the below table shows the specific band informations.
| Item | Parameters |
| LTE Specificity | |
| LTE standard | 3GPP LTE Release 9 |
| Duplex mode | TDD |
| UE Level | Category 4 |
| Rate | Downlink 130Mbps（max），Uplink 30Mbps（max） |
| Band31：1.4 MHz/3 MHz/5 MHz Band7：5MHz/10MHz/15MHz/20MHz Band3：1.4MHz/3MHz/5MHz/10MHz/15MHz/20MHz | |
| Band20：5MHz/10MHz/15MHz/20MHz | |
| Bandwidth | |
| Transmission mode | TM1, TM2, TM3, TM4, TM5, TM6, TM7, TM8 |
| MIMO | 1T2R |
| Modulation mode | Downlink QPSK/16QAM/64QAM，Uplink QPSK/16QAM |
| Interface specs | |
| Interface standard | Support standard Mini PCI Express interface |
| USB | USB 2.0 |
| UART | 9.6kbps ~ 3Mbps |
| USIM | 1.8V or 3.0V USIM |
| Sleep/Wakeup | Adopt GPIO & Host to sleep、awaken；can be contacted USB interface to sleep,awaken control. |
| GPO | The timing control GPO interface can control the external expanded RF front-end devices. |
| GPIO | The general Input/Output interface is controlled by the internal processor of the baseband chip. In addition to two dedicated GPIO PINs, other PINs can also be set to GPIO by software. |
| Hardware specs | |
| Work voltage | DC 3.3V ~ 4.2V（Typical work voltage 3.8V） |
| Storage space | 128M Byte NAND FLASH，128M Byte LPDDR |
| Mechanical specs | |
| Physical dimensiones | 51mm |
| Physical interface | 52 pin Full-Mini PCI Express Card interface |
| Number of Antenna | Dual-Antenna connector(1T2R MIMO) |
| Antenna interface | RSP122811-01 (SAMTEC) |
| Enrironment specs | |
| Work temperature | -25℃ ~ +70℃ |
| Storage temperature | -40℃ ~ +85℃ |
| Humidity range | 5% ~ 95% |
| Electrostatic protect | 2KV HBM |
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