Mobile Expertise Ltd D350V2 Benutzerhandbuch

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Description of modem
The me-d200/d350 is a network free, point to point data 
radio that offers great fl exibility in varied applications where 
wireless data or voice communication is needed. 
It can be used as a “dumb” radio, with no internal module 
fi tted, to allow users to facilitate the use of their own 
modem and protocol. Internal link changes enable the input 
to be set for TTL levels so allowing POCSAG for example.  
In this scenario, the radio is completely transparent and 
simply needs the correct signal level inputs (see pin out 
details), and use of separate control lines (PTT etc) or 
serial commands.
The me-d200/d350 can also be fi tted with either a Bell 
202,V.23 module, a FFSK module (up to 4800 baud rate) 
or a GMSK module (up to 9600 baud rate). These allow 
communication with a pc via hyper terminal and other 
emulation packages. For further information on these 
options, including pin outs, please refer to the separate 
Module Manual available on the Mobile Expertise web site.
The me-d200/d350 also operates as a standard radio with 
microphone input and speaker output, in this mode the 
radio has the following associated features, these include 
CTCSS/DCS, busy channel lockout and scan
Features
Compact and rugged die cast box
Resistant to dirt, dust and water ingress (IP54 rated)
Network free, point to point communication
1/5 watt programmable output power
Synthesised operation with 16 channel capability
CTCSS & DCS encode and decode
programmable 12.5 / 25kHz channel spacing
External modem / Direct FM / TTL (pocsag)
Internal (RS232) module options available: 
 
GMSK up to 9600 or
 
FFSK up to 4800 or
 
Bell 202 V23 1200bps
RSSI level indication
Busy’ output
9 – 18 volt supply input
Enhanced Power Save Mode (sleep)
Serial commands available to control radio
Busy Channel lockout
Time out timer
Scanning
TX only feature
Programmable squelch levels