User's Manual

Chapter 2: Hardware and Pinouts
LIM0001AA Rev E
MM2-MR-T, MM2-MR-R Specifications
Specifications may change at any time without notice. For the most up-to-date specifications information, see
the product's data sheet available at www.FreeWave.com.
Specification
Frequency 902-928 MHz (FHSS) (DTS)
Transmitter
Output Power 10 mW to 1 W
Range 20 to 25 miles (using Omni to Omni antenna, with clear line of sight and no
diffraction loss)
Modulation 2 level GFSK
RF Data Rate Selectable speeds, 115.2 or 153.6 Kbps
Occupied Bandwidth 142 kHz
Hopping Patterns 15 per band, 105 total, user selectable
Hopping Channels 50 to 111, user selectable
Hopping Bands 7, user selectable
Frequency Zones 16 zones
RFConnector MMCX (Straight)
Receiver
Sensitivity -107 dBm at 115.2 Kbps for 10
-4
bit error rate
-102 dBm at 153.6 Kbps for 10
-4
bit error rate
IF Selectivity 40 dB at fc ± 230 kHz
RF Selectivity 50 dB at 896 MHz, 935 MHz
Dynamic Range +10 dBm 3
rd
Order Intercept Point at Input Connector
Data Transmission
Error Detection 32 Bit CRC, retransmit on error
Data Encryption Proprietary Spread Spectrum Technology
Data Interface 1200 bps to 230.4 Kbps
Data Connector Board Level: 10-pin header, 0.1 inch spacing, power/data connector
Data Throughput 115.2 Kbps
Power Requirements
Operating Voltage +6.5 VDC to +30.0 VDC
Typical Current
Mode +6.5 VDC +12.0 VDC +30.0 VDC
Transmit 1 A 500 mA 200 mA
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