ISM Band Radio Modules
The RFM is a highly integrated, user programmable wireless UHF transceiver module with synthesized channels from 400 to 480MHz, and 800 to 950MHz. It typically operates in the unlicensed 434, 868 and 915MHz ISM Bands, using half duplex FSK modulation.
It has been conceived and designed as a no-compromise product, offering double conversion superhetrodyne technology, a front end SAW filter and LNA, a –40ºC to +85ºC industrial temperature range, high output power and high receiver sensitivity (5km range attained at 434MHz and 3km range attained at 868MHz for narrow band), serial RS232 communication, error free addressable data packeting, and exceptionally small size (L 49mm, W 16mm, H7 mm).
If this were not sufficient the user can program many parameters and features from a PC using supplied comprehensive software, including operating frequency to 200Hz resolution, output power, receive gain, squelch levels, frequency deviation, over-air baud rate, user baud rate, NRZ or Manchester encoding, and a range of data packeting options. ‘Ping’ mode and ‘Loop back’ software allow the user to evaluate ‘real word’ performance.
The RFM is available in through hole or surface mount versions.
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Module development / evaluation system
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