• Longsung FDD-LTE--U8300C/U8300C
  • Longsung FDD-LTE--U8300C/U8300C
  • Longsung FDD-LTE--U8300C/U8300C
  • Longsung FDD-LTE--U8300C/U8300C

Longsung FDD-LTE--U8300C/U8300C

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Product Description

U8300 is a wireless module which is designed for the global market. It is a consumptive product; it can be designed in many kinds of applications which can work on FDD-LTE/TDD-LTE/TD-SCDMA/EDGE/GPRS/GSM network.


U8300 support the Bands as the following:

Tri-Band TDD-LTE: Band38/39/40;

Single-Band FDD-LTE: Band7;

Tri-Band TD-SCDMA: Band34/39/40;

Dual-Band EDGE/GPRS/GSM: GSM900/DCS1800.


On FDD_LTE network in the world, U8300 enables connect to the Internet at data speed up to 100Mbps(DL)/50Mbps(UL). On TDD_LTE network in the world, U8300 enables connect to the Internet at data speed up to 61Mbps(DL)/18Mbps(UL). In areas where LTE service is not available, U8300 still enables reliable and secure data connections over TD-SCDMA at speed up to 4.2Mbps(DL)/2.2Mbps(UL) or EDGE at speed up to 237Kbps or GPRS at speed up to 85.6Kbps.


U8300 provides SMS, Phonebook functions as well as high speed access. It can be designed in many kinds of applications. Such as Data card, Video monitor, Tablet, Electric-book, , Vehicle equipment, etc.


U8300 integrates the RF and Baseband onto one small PCB. It can fulfill all the functions of RF signal receiving and transmitting, Baseband signal processing and audio signal processing so that the customers can realize all kinds of their own wireless products with very few peripheral components.


Designed on a Dual-side PCB, U8300 has a tiny dimension of 51.0×30.0×4.6mm, with a Mini PCI-E connector, which provides all hardware interfaces between the module and customers’ boards. The main hardware interfaces of U8300 consist of power supply interfaces, USB interface, UART interfaces, USIM/SIM interface, VRTC interface and GPIO. Consider connecting antenna, U8300 support plug-in RF connector and antenna PAD.


U8300 not only supports standard AT (Complied with Hayes 3GPP TS 27.007 and 27.005), but also support Longsung extended AT commands, which are very suited for developing all kinds of the customized applications.



Key benefits


● Wireless Broadband access up to: FDD_LTE: 100Mbps(DL)/50Mbps(UL), TDD_LTE: 61Mbps(DL)/18Mbps(UL), TD-SCDMA: 4.2Mbps(DL)/2.2Mbps(UL)

● Standard Mini PCI-E connector, easy for debugging and after-sales maintenance

● Support GPS


Key features of U8300


De ion

Power supply

3.0V3.6V (Typical 3.3V)

Frequency Bands

Tri-Band TDD-LTE: Band38/39/40

Single-Band FDD-LTE: Band7

Tri-Band TD-SCDMA: Band34/39/40




FDD: 100Mbps(DL), 50Mbps(UL)

TDD: 61Mbps(DL), 18Mbps(UL)

Support Release 9 category 3


TD-SCDMA PS: 4.2Mbps(DL), 2.2Mbps(UL)


EDGE: Class12, 236.8kbps(DL), 118kbps(UL)

Mobile station class B

Coding schemes: MCS1-9


GPRS: Class1285.6kbps(DL)85.6kbps(UL)

Mobile station class B

Coding schemes: CS1-4

Support Full PBCCH


GSM CSD14.4kbps


Point-to-point MO and MT

SMS cell broadcast

Support Text and PDU mode


Need AP achieve MMS Protocol




Normal operation:-20~+65

Restricted Operation:-30~+75

Storage temperature:-40~+85


VBAT, GND: Air dis ge ±8KVContact dis ge ±4KV

RF interface: Air dis ge ±8KVContact dis ge ±4KV

Else ports: Air dis ge ±4KV, Contact dis ge±2KV

Max power RF transition

Class 4 (2 W) for GSM900

Class 1 (1 W) for GSM1800

Class E2 (0.5 W) for EDGE900

Class E2 (0.4 W) for EDGE1800

Class 3 (0.25 W) for TD-LTE/FDD-LTE/TD-SCDMA

Current consumption

Off mode: 50μA

Idle mode: <40mA

Voice mode: <300mA

Data mode: <800mA


PCI express Mini Card interface.

Hirose`s U.FL-R-SMT-1(80) 50ohm RF connector.

PCI express Mini Card interface

Power supply (5pin VBAT, 14pin GND)

1 USB2.0 High-Speed interface

1 UART interface

1 USIM/SIM interface (Support 3V/1.8V USIM/SIM)

1 PCM interface (TBD)

2 RESET interface

1 VOUT 1.8V interface

1 VRTC interface

Antenna interface

1 main RF connector, impedance of 50Ω

1division RF connector, impedance of 50Ω





Fixed structure

Fixed by 2 screws

AT commands

Standard AT commands (Hayes 3GPP TS 27.007 and 27.005)

Support LongSung Extend AT commands





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