Control via AT commands (Hayes 3GPP TS 27.007 and 27.005)
GPRS multi-slot Class 12 Class 12 Class 12
Circuit Switched Data Up to 14.4 kbps
SMS
Fax Group 3, class 1 Group 3
SIM Application Toolkit (release 99)
TCP/IP stack access via AT commands
Internet services: TCP, UDP, HTTP, FTP, SMTP, POP3
Supply voltage range: 3.2 … 4.5 V
Operational temperature range: -40°C to +75°C, switch off: > +80°C
Dimension: 33.9 x 35.0 x 3.3 mm
Weight: 7.5 g

Specification for GPRS data transmission
GPRS Class 12 Max. 86 kbps(DL and UL)
Coding schemes CS 1-4

Specification for voice
Triple-rate codec for HR, FR, and EFR
Adaptive multi-rate AMR
Hands-free operation, Echo cancellation & Noise reduction

Java™ features
Java™ profile IMP-NG & CLDC 1.1 Hl
Secure data transmission with HTTPS, SSL, and PKI
Multi-threading programming and program execution

Special features (extract)
Character framing 7E1 and 8E1 at serial interface
SIM Access Profile integrated
RLS Monitoring
Advanced Temperature Management

Interfaces
Antenna: U.FL-R-SMT + 50 Ω solder pad
Audio: 2 x analog, 1 x digital
Serial interfaces (ITU-T V.24 protocol) 2
SIM card interface 3 V, 1.8 V
USB 2.0 full speed
I²C & SPI bus
Analog in and analog out (ADC and PWM) 2 ADC, 1 PWM
Multiple GPIOs

Approvals
CE, R&TTE, GCF, UL, FCC, IC, PTCRB
Local approvals and network operator certifications (list available)