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ME MODEMS

ME-D200

The new me-d200 range of 5W UHF and VHF modems provide global solutions.
Designed to be small and compact the me-d200 range offers great flexibility and varied applications where wireless data or voice communication is needed. The modems are fully environmentally tested to resist water and dust ingress, power is by 9-18 dc volt supply with low current consumption mean saving on maintenance and power drain.
The model range comprises the me-d200, covering the European frequency allocations for VHF and UHF. This offers a 5 Watt RF modem with Direct FM / FSK as standard and FFSK and GMSK options. For businesses looking for mobile asset and location tracking an integral GPS option is available.
The me-d200 is ideal for applications requiring a flexible, cost effective solution such as point to point telemetry, tele-command and tele-control to / from outstations or machinery, alarm signalling and database interrogation. The unit can also be used in SCADA applications.

Downloads:

Download the Data Sheet here

Features:

Compact and rugged die-cast housing.
Network free, point-to-point communication.
1 - 5W transmit power.
Programmable up to 16 channels.
External modem / Direct FM.
Voice capability.
Internal GPS option.
RSSI level output.
Power save mode.
9V dc to 18V dc.
IP54 rated.
CTCSS / DCS available (with FFSK & voice only)
Time-out timer function.
Internal 9600 GMSK or 4800 FFSK modem options.

Specifications:

General
Performance specification:	R&TTE: 1999/5/EC BS EN 60950-1 ETSI EN 300-113-2 BS EN 50731 ETSI EN 300-489-5
Frequency range:	me-d200 VHF: 146 - 174 MHz me-d200 VHF: 400 - 440 MHz me-d200 VHF: 440 - 480 MHz Full band switching
Number of channels:	1 of 16, Dip switch selectable (or via external serial command)
Channel spacing:	12.5KHz / 20KHz / 25KHz Programmable per channel
Operation:	Half Duplex
PLL step:	5.0 / 6.25kHz
Antenna impedance:	50 Ohm
Antenna connectors:	BNC (female), GPS Antenna SMA
Weight:	260g
Dimensions:	115 x 66 x 34 mm
Mounting:	By four M3 clearance holes in base tabs of unit.
Interfaces:	15 pin d-type (female)
Electrical
Power supply:	12V dc nominal +9V to +18V dc acceptable
Current consumption:	1.5A @ 5W. 0.5A @ 1W
Transmitter
RF output power:	1 - 5W programmable (hi/low)
Audio sensitivity:	6 - 8 mV rms @ 60% peak deviation
Data modem:	100 - 120 mV rms (external modulation) RS232 levels (with GMSK or FFSK modem fitted)
Modulation:	Direct FM (FSK) - F3E (FID) FFSK/GMSK (option) - F2D/& F1D PM (voice) - G3E
Receiver
Receiver sensitivity (voice):	12dB SINAD VHF: Better than 0.28Hv or -116dBm UHF: Better than 0.35Hv or -118dBm
Receiver sensitivity:	(GMSK) -113dBm <1% BER (9600 at 25kHz channel spacing) (FFSK)-113dBm <1% BER (2400 at 25kHz channel spacing)
Audio output (speaker):	1V rms @ 8ohms
Data output:	200 - 300mV rms
GMSK/FFSK Modem output:	RS232 levels
Environmental:
Operating temperautre:	-30 deg C to +60 deg C
Storage temperautre:	-40 deg C to +85 deg C
Enclosure:	IP54 rated

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