GSM Specification V1.1

Ultra-small
Dual SIM Dual Standby
Quad-band GSM/GPRS Module
Frequency Band
Quad-band:
850/ 900/ 1800/ 1900MHz
Data
GPRS Class 12:
Max. 85.6kbps (Downlink)
Max. 85.6kbps (Uplink)
PBCCH
Coding Schemes:
CS 1, 2, 3. 4
USSD
Non-transparent Mode
SMS
Point-to-point MO and MT
SMS Cell Broadcast
Text and PDU Mode
Voice
Speech Codec Modes:
Half Rate (HR)
Full Rate (FR)
Enhanced Full Rate (EFR)
Adapve Mul-Rate (AMR)
Echo Arithmec:
Echo Cancellaon
Echo Suppression
Noise Reducon
Interfaces
(U)SIM Card Interface:
× 2 (3.0V/ 1.8V)
UART × 3
Analog Audio Channel:
2 Output Channels and 1 Input Channel
Bluetooth:
BT 3.0
Prole: SPP, HFP
ADC* × 1
PCM* × 1
SD* × 1
RTC × 1
Antenna Pad:
× 2 (GSM Antenna Pad and Bluetooth Antenna
Pad)
Enhanced Features
DSDS
eCall
Jamming Detecon
DTMF
Audio Play/ Audio Record
QuecFOTA
TM
QuecCell
QuecLocator
QuecFile
OpenCPU
TM
RIL for Android
MUX
Bluetooth
Electrical & Sensivity
Output Power:
Class 4 (2W @850/ 900MHz)
Class 1 (1W @1800/ 1900MHz)
Consumpon:
1.3mA @DRX=5
1.2mA @DRX=9
Sensivity:
GSM850: -109dBm
GSM900: -109dBm
DCS1800: -109dBm
PCS1900: -109dBm
Supply Voltage:
3.3V~4.6V, 4.0V Typ.
Soware Features
BT 3.0
Protocols: TCP/ UDP/ PPP/ FTP/ HTTP/ SMTP*/
CMUX/ DSDS
General Features
GPRS Mul-slot Class: Class 12
GPRS Mobile Staon: Class B
Temperature Range: -40°C ~ +85°C
Dimensions: 17.7mm × 15.8mm × 2.3mm
LCC Package
Weight: Approx. 1.3g
GSM 07.07, 07.05 and other Enhanced AT
Commands
* Under Development
Quectel M66-DS
17.7 mm
15.8 mm
2.3 mm
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