Maxim has introduced the MAX2837, claiming to be the industry's first single-chip WiMAX RF transceiver in high-volume production. Specifically defined for OFDM-based non-line-of-sight (NLOS) wireless broadband radio systems that operate in the 2,3 GHz to 2,7 GHz band, the device is ideal for 802.16d/e fixed and mobile WiMAX, dual-mode WiMAX/Wi-Fi, Korean WiBro, and future 4G LTE systems. Its zero-IF architecture enables its single-chip design and BOM cost savings by eliminating the costly SAW filter and extra VCO required by two-chip super-heterodyne solutions. An SPI interface enables electronic programming of channel filtering to support multiple channel bandwidths from 1,75 MHz to 28 MHz. The MAX2837 provides a low 2,3 dB receiver noise figure, -11 dBm input IP3,
-40 dBc integrated VCO phase noise and 250 mW power consumption. Receiver EVM is better than -35 dB and sideband suppression is >45 dB. On the transmitter, it delivers 0 dBm linear output with 64-QAM signal, >45 dB sideband suppression and better than -36 dB EVM while meeting a -70 dBr spectral mask.
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SIMCom has introduced two new entry-level AI computing modules, the SIM8668 and SIM8666, designed to bring intelligent capabilities to lightweight, energy-efficient edge devices.
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Telecoms, Datacoms, Wireless, IoT
Quectel Wireless Solutions has announced the launch of two new high performance ISM antennas, designed to meet the need for wireless communication in devices that operate in the industrial and commercial applications.
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