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Home > Products > Module / WiFi / BT Combo > CM-43438-V1

CM-43438-V1 is a small size and low profile of WiFi + BT combo module with 21-half-holes, board size is 19mm*12mm with module height of 2mm. It can be easily manufactured on SMT process and highly suitable for tablet PC, ultra book, and mobile device and consumer products. It provides SDIO interface for WiFi to connect with host processor and high speed UART interface for BT. The WiFi throughput can go up to 150Mbpsin theory by using 1x1 802.11n b/g/n MIMO technology and Bluetooth can support BT4.2.

CM-43438-V1 uses Cypress CYW43438, a highly integrated WiFi/BT single chip based on advanced COMS process. CYW43438 integrates whole WiFi/BT function blocks into a chip, such as SDIO/UART, MAC, BB, AFE, RFE, PA, EEPROM and LDO/SWR, except fewer passive components remained on PCB.


  • Operate at ISM frequency bands (2.4GHz)
  • SDIO for WiFi and UART for Bluetooth
  • IEEE standards support: IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE802.11d, IEEE 802.11e, IEEE 802.11h, IEEE 802.11i
  • Fully Qualified for Bluetooth 2.1 + EDR specification including both 2Mbps and 3Mbpsmodulation mode
  • Fully qualified for Bluetooth 3.0
  • Fully qualified for Bluetooth 4.2 Dual mode
  • Full –speed Bluetooth operation with Pico net and Scatter net support.
  • Enterprise level security which can apply WPA/WPA2 certification for WiFi.
  • WiFi 1 transmitter and 1 receiver allow data rates supporting up to 150 Mbps downstream and 150 Mbps upstream PHY rates
  • For WiFi/BT, it uses single antenna for WiFi and BT.
  • Support Bluetooth adaptive power management mechanism
  • Full-featured software utility for easy configuration and management
  • RoHS compliance
  • Low Halogen compliance
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