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Appendix A – Specifications
General
Frequency Range
902 to 928 MHz, unlicensed ISM Band
Type
Frequency Hopping Spread Spectrum
Transceiver
Frequency Control
Direct FM
Transport Protocol
Transparent Networking
Channel Capacity
Hops through 25 channels. Up to 65,000
NetIDs.
Serial Data Interface
Asynchronous RS-232 levels
Serial Interface Baud Rate ?????
Data Throughput
?????
Performance
Channel Data Rate
10k or 20k bps Respectively (vary with data
rate)
Transmit Power Output
100mW
Rx Sensitivity
-110 or –107 dBm Respectively
Range*
Indoor: 600' to 1500' Outdoor: 7mi. With dipole,
over 20 mi. with high gain antenna
Interference Rejection
70 dB at pager and cellular phone frequencies
Power Requirements
Supply Voltage
5 VDC +/-0.3V
Current Consumption
Tx - 170 mA nominal, Rx - 50 mA nominal
Physical Properties
Board Size
1.6” x 2.7” x .35” (4.06 x 6.86 x .89)cm
Weight
8 oz. (24g)
Connectors
11 pin 0.1” spaced male berg type header
Operating Temperature
-40° to 85° C
Operating Humidity
10% to 90% (non-condensing)
Antennas
Antenna Connector
MMCX Female
Approved Antennas
????
*Range calculations are for 9600 baud radio line of sight. Actual range will vary based upon specific board integration,
antenna selection, environment and the OEM’s device.
Antenna
Antenna Connector MMCX Female
Antenna Impedance 50 Ohms unbalanced
Approved Antennas Integral wire antenna (factory installed)
Astron AXQ9PRLMMCX – 1/4 wave flexible whip
Astron AXH900 RP SMAR – 1/2 wave flexible whip, SMA