Cheerzing MG2820 2G GSM/GPRS Module


* GSM/GPRS Quad-band module


* Embedded various network protocols


* GNSS function with BDS/GPS multi-system


* Enhance AT commands


* LCC form factor

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Details
Details

Cheerzing MG2820 Series is a Quad-band GSM/GPRS module solution utilizes cocurrent reception of GNSS Systems(BDS/GPS/GLONASS/GALILEO) in a LCC type which embedded various network protocols TCP/UDP/PPP/HTTP/FTP/PING/NTP/NITZ/SSL. Featuring the tiny size and low power consumption, it offers accurate GNSS and wireless comunication function

Cheerzing MG2820 series has three types that respectively support centimeter, sub-meter and meter level position. MG2280 features superior performance of precision GNSS engine,supporting RTK single base and RTK based on CORS network position.It provides message integrity protection while featuring precision position which is more competitive than traditional GPS module. MG2820 is widely used in areas like shairing industry,wearable,telematics and wireless payment etc.


Cheerzing MG2820 Specifications and features:

* GSM Specification
- GSM/GPRS Quad-band: 850/900/1800/1900 MHz
- GPRS Multi-Slot: Class 12
- GPRS Mobile Station: Class B
- Compliant to GSM Phase2/2+: Class 4 (2W @850/900MHz) and Class 1 (1W @1800/1900MHz)


* Power Supply: 3.3~4.2V Typical3.8V

* Power Consumption: Standby average current 1.8mA

* Size: 23.7×20×2.5mm

* Weight: Approx 1.5g

* Package & Pin: 56pin LCC

* Temperature Range: -30℃~70℃

* Extended Operating Temperature: -40℃~85℃

* Storage Temperature: -40℃~100℃

* AT Commands
- Standard AT commands(3GPP TS 07.05、3GPP TS 07.07)
- CHEERZING AT command extension: Device control command, Protocol transmission command

* Interfaces
- SIM/USIM interfaces: 1.8V/3.0V
- Analog Audio Channel: 1 Input Channel, 2 Output Channels
- PCM x 1
- UART x 3(1 GSM Main UART,1 GSM Debug UART ,1 GNSS UART)
- ADC x 1
- I2C x 1
- Sleep/Wake-up Control: Support
- Status Indication: Support
- Antenna x 2(1 GSM antenna,1 GNSS antenna)
- Power On/Off/Reset x Support


* Data Transimission
- Data Speed(kbps): 85.6kbps (DL) , 85.6kbps (UL)
- PBCCH Support Coding scheme USSD: CS 1,2,3,4
- Network Protocols: TCP/UDP/PPP/HTTP/FTP/PING/NTP/NITZ/SSL

* SMS
- MO and MT
- Text/PDU mode


* Voice
>Tricodec
- Half rate(HR)
- Full rate(FR)
- Enhanced full rate (EFR)
>AMR
- Half rate(HR)
- Full rate(FR)
> Audio Processing Mechanism
- Echo cancellation
- Echo supression
- Noice reduction

* GNSS Specification
- GNSS: GPS/BD/GLONASS
- Frenquency Bands:
> L1:1575.42MHz
> B1:1561.098MHz
- Sensitivity
> -148 dBm@acquisition
> -162 dBm@tracking
- Receiver Types: Channels 72
- TTFF(Typical Time To First Fix)
> SBAS: WAAS,EGNOS,MSAS,GAGAN,SDCM
> Cold Starts: <28s,reacquisition<1s
> Hot Starts: <1s,reacquisition<1s
- Position Accuracy
> GNSS: 2.5m CEP
> SBAS: 2.0m CEP
> RTK(Open environment,10km base-in)
> Horizontal 2cm+1ppm
> Vertical 5cm+1ppm
> RTD(Open environment,10km base-in)
> 1 m RMS
> PPP
> Level 5cm
> Elevation 10cm

- Velocity Accuracy
> GNSS 0.1m/s CEP
> SBAS 0.05m/s
- Time Accuracy: 25 ns

* Special Features
- Identifying Pseudo base-station
- Jamming Detection
- Audio Player/Record
- DTMF
- TTS Voice Broadcast
- MUX

* Application Fields
- Telematics
- Sharing market
- Wearable Devices
- Wireless Payment

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