The MM400 is a high performance and quality for M2M application. The MM400 receives DTMF code and send to Specific IP address and Port. User can easy to setting by GUI interface. The MM400 supports battery for backup power to send the event immediately.

Feature :
CDMA 1xRTT dual band 800/1900
DTMF tone decoder
High Performance
Friendly GUI setting
Battery inside
Event Procedure

Specification

          Electrical Specifications 

Power Input	5V
Power Consumption	Max. 2A
GSM
GSM Module	LISA-C200, CDMA 1xRTT
Band	Dual band 800/1900MHz
RX Sensitivity	-108 dBm
Down/Up Link	154Kbps
Protocols	Embedded UDP/TP,TCP/IP and HTTP
AT Commands	Enhanced AT command set IS-707.3 3GPP 27.005,3GPP 27.007 and ITU-T V.25 3GPP 27.010 MUX protocol
Packet Data	Mode: Class B, Multislot10 Coding Schemes : CS1-CS4 Packet Channel: PBCCH/PCCCH
SMS Functionality	Text, PDU, MO/MT, Cell Broadcast
Approve version	Sprintf, Verizon and Aeris
MCU
MCU	ST Cortex M0
Flash	16K byte
SDRAM	4K byte
Frequency	48MHz
Interface
RJ11	DTMF Tone input
DB9	RS232, Setting Parameter
DTMF Signal
Input Signal Level	Max : 1 dBm Min : -29 dBm
Twist Accept Limit(Positive)	10 dB
Twist Accept Limit(Negative)	10 dB
Dial Tone Tolerance	18 dB
Noise Tolerance	-12 dB
Third Tone Tolerance	-16 dB
Frequency Deviation Acceptance	Max ±1.5%
Frequency Deviation Rejection	Min ±3.5%
Power Up Time	30ms
LED
Power LED	Power on
GSM Strength Level LED	Low, Middle, High
Internet LED	Off – Disconnect Blinking – certificating Still On- Connected