922-MHz Spread-Spectrum Radios

Rf411 922-mhz spread-spectrum radio
the rf411 spread-spectrum transceiver has an operating frequency range of 920 to 928 mhz, which is allocated to australiaisrael. The rf411 is a compact, rugged, low-cost unit intended for use in a variety of applications. The transceiver transmits at a power level of 100 mw. It frequency-hops among 25 channels to avoid interference with other devices. The rf411 may be used without an individual fcc license.
features
replaces the rf410 spread-spectrum radio
rugged, low-cost transceivers
100 mw, 920 to 928 mhz frequency
frequency-hops over 25 channels
does not require an individual fcc license
can be used in the field as a transceiver or in the office as the base station
current drain can be as low as 1 ma
transmits up to one mile with omnidirectional antenna; up to ten miles with higher gain directional antennas
settings stored in non-volatile memory
optional extended temperature testing
specifications
operating frequency: 920 to 928 mhz
type: frequency hopping spread spectrum (fhss) transceiver
io data rate: 38.4 k, 19.2 k, 9600, 4800, or 1200 bps
channel capacity: 65,000 network identifiers share 25 hop channels
frequency hopping patterns: six different selectable patterns