Appendix A – Specifications
General
Frequency Range | 902 to 928 MHz, unlicensed ISM Band | |
Type | Frequency Hopping Spread Spectrum | |
Transceiver | ||
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Frequency Control | Direct FM | |
Transport Protocol | Transparent Networking | |
Channel Capacity | Hops through 25 channels. Up to 65,000 | |
NetIDs. | ||
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Serial Data Interface | Asynchronous | |
Serial Interface Baud Rate | ????? | |
Data Throughput | ????? | |
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Performance |
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| 10k or 20k bps Respectively (vary with data | |
Channel Data Rate | rate) | |
Transmit Power Output | 100mW | |
Rx Sensitivity | ||
Range* | Indoor: 600' to 1500' Outdoor: 7mi. With dipole, | |
over 20 mi. with high gain antenna | ||
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Interference Rejection | 70 dB at pager and cellular phone frequencies | |
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Power Requirements |
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Supply Voltage | 5 VDC | |
Current Consumption | Tx - 170 mA nominal, Rx - 50 mA nominal | |
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Physical Properties |
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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 | ||
Operating Humidity | 10% to 90% | |
Antennas |
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Antenna Connector | MMCX Female | |
Approved Antennas | ???? | |
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*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
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