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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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BTM420 датащи(PDF) 5 Page - Laird Tech Smart Technology |
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BTM420 датащи(HTML) 5 Page - Laird Tech Smart Technology |
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5 / 21 page  BTM420/421 Bluetooth ® Data Module Hardware Integration Guide Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 5 Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2268-6567 x026 2 SPECIFICATIONS 2.1 Detailed Specifications Table 1: Detailed Specifications Categories Feature Implementation Wireless Specification Bluetooth® Version 2.1+EDR Transmit Class Class 2 Frequency 2.402 – 2.480 GHz Channels 79 channels Frequency Hopping Adaptive Frequency Hopping Max Transmit Power +4 dBm at antenna pad – BTM420 +4 dBmi (TBC) from integrated antenna – BTM421 Receive Sensitivity -84dBm Range 30m Data Transfer Rate Up to 2.1 Mbps Antenna Modes External Antenna 50 Ohm matched SMT pad – BTM420 Integrated Antenna (option) +0 dB multiplayer ceramic (TBC) – BTM421 USB Interface Compliance Version 1.1 Support Version 2.0 Supply Voltage 3.1 V to 3.3 V General Purpose Interface I/O 2 general purpose I.O pins for LEDs Audio Support 3 PCM Channels @ 64kbps SCO Channels Support SCO and eSCO PCM Interface Configurable as master or slave 8 bit A-law 8 bit µ-law 13 bit linear PCM Clock available when in slave mode Protocols and Firmware Bluetooth Stack V2.1 compliant Connection Modes Point to point (cable replacement) Multipoint – max 7 slaves Table 2: Detailed Specifications Categories Feature Implementation Current Consumption Data Transfer Typically 32 mA Low Power Sniff Mode Less than 2.5 mA Supply Voltage Supply 3.0 V – 3.3 V DC Coexistence / Compatibility WLAN (802.11) 2-wire and 3-wire hardware coexistence schemes supported Connections Interface Surface Mount Pads |
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