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Overview
GM320

GM320 is a high-performance, ultra-small LGA+LCC package, and cost-effective LTE Cat.1 wireless communication module launched by GOSUNCN. The module supports standard Mini PCIe packages to meet the application requirements of products in different industries. It supports FDD/TDD LTE Cat.1, and is compatible with R13 protocol, can achieve good coverage, has ultra-low power consumption, low latency and good mobility, making mobility scene services simpler and more stable.

The GM320 module supports a variety of network protocols (TCP/UDP/FTP/HTTP/FILE/MQTT/SSL/TLS, etc.) to broaden the application scope; at the same time, it supports a variety of functions (remote wake-up, remote upgrade, WelinkOpen, etc.)  to reduce later operation and maintenance costs; support dual-card dual-standby data single-pass, SIM hot-swap, VoLTE calls and other functions.

GM320 can be widely used in industries such as consumer electronics, smart meter reading, wearable devices, POS, industrial control, asset tracking, POC, and security systems in the M2M and IoT fields.


Highlights
LTE TDD/LTE FDD/GSM
LCC+LGA 29×32mm
WeFoTA
UART × 2
USB2.0
-40°C ~ +85°C
TCP/UDP/FTP(S)/ HTTP(S)/FILE/MQTT/SSL/TLS
PCM/Audio/ADC/USB/UART/I2C/GPIO
VoLTE
Technical Specification
General Features
* Target Market: Europe
* Package: LCC +LGA (80 LCC pins + 82 LGA pins)
* Dimensions: 29 × 32mm× 2.4mm
* GNSS&BT: Optional
RF Band
* PID:E1A & E1AGB
-- LTE FDD: B1,B3,B7,B8, B20,B28
-- LTE TDD: B38,B40,B41
-- GSM: B3,B8
Electrical characteristics
*Transmit power:
--LTE: 23 ±2.7dBm (Power Class 3)
-- GSM900:33±2dBm (Power Class 4)
-GSM1800:30±2dBm (Power Class 1)
*Voltage range:
-- 3.4V~4.5V (recommended value 3.8V)
Data characteristics
* LTE
-- FDD-Maximum 5Mbps (UL) / 10 Mbps (DL)
-- TDD-Maximum 3.1Mbps (UL) / 8.96 Mbps (DL)
* GSM
-- EDGE 236.8 Kbps(DL) / 236.8 Kbps(UL)
-- GPRS 85.6 Kbps(DL) / 85.6 Kbps(UL)
Certification
* Mandatory certification:
-- CE/RoHS
Interfaces
* USB2.0 (maximum 480Mbps)
* UART×2
* SIM(1.8/3.0V)
* GNSS&BT antenna (Optional)
* Reset & Power-on
* I2C
* LED
* WAKEUP-IN & WAKEUP-OUT
* Main antenna
* ADC
* PCM&AUDIO
Applications
* FOTA/UART/USB update
* TCP/UDP/FTP/ HTTP/FILE/MQTT/SSL/TLS
* PCM & Analog voice
* VOLTE
* Android 4.x/5.x/6.x/7.x/8.x/9.x RIL
* Linux USB Driver
* Windows 7/8/10
* GOSUNCN enhanced AT command
Environmental adaptability
* Normal temperature range:-30°C ~ +75°C
* Extreme Operating temperature:-40°C ~ +85°C
* Humidity range: 5%~ 95%
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