Specifications

PART 2 – Cellular SocketModems Chapter 2 – SocketModem Cell & SocketModem iCell GPRS
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342P) 65
DC Electrical Characteristics
Units: Volts
5V DC Characteristics (VDD = 5V ± 0.25V)
VDDMAX
= 5.25V
Parameter Minimum Maximum
Digital Signal Input Low Level
–DTR (40), –TXD (35), –RTS (33)
GND 0.8
Digital Signal Input High Level
–DTR (40), –TXD (35), –RTS (33)
2 Vcc
Digital Signal Output Low Level
–DCD (39), –CTS (38), –DSR (37), –RI (36), –RXD (34)
0.4
Digital Signal Output High Level
–DCD (39), –CTS (38), –DSR (37), –RI (36), –RXD (34)
3.84
Reset (Low Active) Input Low Level
–Reset (24)
0.8
Reset (Low Active) Input High Level
–Reset (24)
2
Digital Input Capacitance
14pF
Power Measurements
Basic and Voice Builds, MTSMC-G2 and MTSMC-G2-V, Measured Power* at Input Voltage 5.00
Sleep Mode Typical Maximum Peak TX Peak RST
Current (AMPS)
0.015
0.113
0.24
1.40
1.60
Watts
0.074
0.564
1.195
IP Build, MTSMC-G2-IP, Measured Power* at Input Voltage 5.00
Sleep Mode
Typical
Maximum
Peak TX
Peak RST
Current (AMPS)
0.080
0.135
0.280
1.40
1.70
Watts
0.382
0.664
1.358
GP Build, MTSMC-G2-GP (for GPS,) Measured Power* at Input Voltage 5.00
Sleep Mode
Typical
Maximum
Peak TX
Peak RST
Current (AMPS)
0.121
0.225
0.370
1.60
1.85
Watts
0.598
1.11
1.81
* Multi-Tech Systems, Inc. recommends that the customer incorporate a 10% buffer into their power source when
determining product load.