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Copyright: 1996 - 2024
    Kirt Blattenberger,


RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while typing up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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Radiocrafts Press Release

High Power 500mW Narrow-Band RF Module Targets
Long Range Applications

Radiocrafts AS, a leading RF module supplier, now expands their product line with a high power narrow-band RF module for the European market.

The RC1280HP, offering up to 500 mW output power for increased range, is based on the RC1280 RF Transceiver Module for FSK operation with embedded protocol. When used with quarter-wave antennas a line-of-sight range of 5-6 km can be achieved. The new RC1280HP module uses the same protocol and channels as the RC1280. Interoperation between RC1280 and RC1280HP is therefore possible in a network with both long- and shorter range modules.

The module is pre-certified and CE marked for operation under the European radio regulations for license-free use in the 868 MHz band, operating in 3 channels in the sub-band at 869.400 – 869.650 MHz. Up to 10% duty-cycle (transmission ratio) is allowed in this band. The new high power module can also be used outside this sub-band if the power amplifier is disabled, reducing the output power to less than 10 mW.

The RC1280HP module yields a high performance, low power, two-way radio solution with an embedded RC232™ protocol supporting point-to-multipoint networks. Based on narrow-band technology, the module offers increased performance in terms of sensitivity, selectivity, data integrity and range. The module contains a multi-channel transceiver with a receiver sensitivity of -108 dBm at 4.8 kbit/s. With 30 dB adjacent channel rejection, 40 dB alternate channel selectivity and outstanding blocking properties, the module offers exceptional performance even in a crowded and noisy environment.

The new module measure only 19.5 x 60.5 x 6.0 mm, and comes in a DIL-style package with 2.00 mm pin pitch made for low profile board-to-board connection.

Data buffering, addressing and error check are all handled by the embedded RC232™ protocol. A standard UART serial bus is the interface to the host for both data communication and configuration.

Typical applications include long range telemetry and remote control, automatic meter reading (AMR), fleet and asset management, home-, building- and industrial- automation, wireless security and alarm systems.

The new module's major benefit is the extended communication range in the 868 MHz band. More robust and reliable links are achieved, still operating within the license-free band. The high power radio combined with narrow-band technology meets the stringent requirements for license-free operation in the 868 MHz band. OEM manufacturers without RF design knowledge can now easily add a high performance long range wireless link to their products, and significantly reduce time-to-market, development and certification cost.

Radiocrafts AS



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