4G LTE PCIe Module(LM2975)

 

LM2975 is a 4G module based on ZTE 297520 platform, the dimension is 30*30*2.5mm, Totally there are 80 pin. It could apply to GSM/EDGE/TDS-CDMA/WCDMA/LTE network and roam worldwide. There are versatile interfaces and software support platforms. There are versatile interfaces of LM2975 and complete software support, and platform with SDK for designer.LM2975 could also support multipleperipheralsto meet the demand of customers.

Characteristics

Descriptions

Input Power Voltage

3.4V~5V (3.8V is recommended)

Band Support

TD-LTE: Band 38/39/40/41

FDD-LTE: Band 1/2/3/4/5/7/8/12/13/17/20/25/26/28/31

WCDMA: Band 1/8/2/5

TD-SCDMA: Band 34/39

GSM/GPRS/EDGE: 900/1800/900/1800

Band Allocation

TDD

3GPP R9 CAT4 Downlink150 Mbps, Uplink 50 Mbps

FDD

3GPP R9 CAT4 Downlink150 Mbps, Uplink 50 Mbps

WCDMA

HSPA+: Downlink 21 Mbps/Uplink 5.76 Mbps

TD-SCDMA

Downlink 2.8 Mbps, Uplink 2.2 Mbps

EDGE

Class 12, Downlink 236.8 kbps, Uplink 118 kbps

GPRS

Class 10, Downlink 85.6 kbps, Uplink 85.6 kbps

GSM

CSD: 9.6 kbps

Voice

PCM voice (add CODEC support analogue voice)

SMS

Peer to Peer MO, MT

EMBS (Enhanced Multicast and Broadcast Service)

Support Text and PDU mode.

SDIO×2

Standard SDIO Interface, which support SDexpansion and Wi-Fi chip.

PCM Digital Voice Interface

Could work under master and slave mode, support PCM

Others

NDIS, ECM Dial

USSD

Environmental Conditions

Standard Operating Temperature: -20°C~+70°C

Special Operation Temperature: -30°C~+80°C (1)

Storage temperature: -40°C~+85°C

Humidity

5%~95%

Interface

LCC+LGA Mixed Interface

USB

Support USB2.0 full-speed/high-speed mode

USB HSIC

Support USB high speed mode

LCC main interface

1)        Power

2)        USB2.0 High-Speed

3)        UART

4)        Standard USIM/UIM, Support UIM hot plugging.

5)        Module Status LED Interface

6)        GPIO

7)        I2C

8)        Wake up control

9)        SPI

10)      {C}HSIC, which could expand to RJ45

LGA main interface

1)        SDIO×2, which could expand Wi-Fi chip and SD card.

2)        PCM voice Interface (codec is needed)

3)        GPIO expansion

4)        ADC

5)        Hardware reset interface

6)        Button

 

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