User's Manual

SNR900 Operation Manual 35
Technical Specifications A
1
Power consumption, as well as the permissible number of repeaters in a network, depends on the
information content and wireless data rate (that is, CMR vs RTCM SC-104 Ver. 2.x packets at 1 Hz epoch
rates).
2
Broadcast frequency and radiated power are regulated by countries-of-use. These are unique on a per
country basis. The broadcast frequencies, and country-of-use for the radio-modem must be specified at time
of order.
Radio-modem performance
Range
Optimal
Typical
Frequency range
Networks
Transmit power
Wireless data rates
Modes
10 km (6 miles), line-of-sight
3–5 km (2–3 miles)
Varies with terrain and operating
conditions. Repeaters may be used to
extend range.
902–928 MHz
2
Forty user selectable networks
Meets FCC requirements of 1 W
maximum power output
128 kbps
Base/Repeater/Rover
Table A.1 Technical information (continued)
Specification
SNR900.book Page 35 Friday, December 3, 2004 2:02 PM