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TD next TD1508

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TD next TD1508 - high-end FCC certified module for embedded applications

TD1508 devices are high performance, low current SIGFOX gateways. The combination of a powerful radio transceiver and a state-of-the-art ARM Cortex-M3 baseband processor achieves extremely high performance while maintaining ultra-low active and standby current consumption. The TD1508 device offers an outstanding RF sensitivity of -127 dBm while providing an exceptional output power of up to +23 dBm with unmatched TX efficiency. The TD1508 device versatility provides the gateway function from a local Narrow Band ISM network to the long-distance Ultra Narrow Band SIGFOX network at no additional cost. The broad range of analog and digital interfaces available in the TD1508 module allows any application to interconnect easily to the SIGFOX network. The LVTTL low-energy UART, the I2C and SPI buses, the multiple timers with pulse count input/quadrature decoding/PWM output capabilities, the high-resolution/high-speed ADC and DAC, along with the numerous GPIOs can control any kind of external sensors or activators.

Key features

  • Frequency range: ITU Region 2 ISM band (Americas, 902~928 MHz)
  • Receive sensitivity: -127 dBm
  • Modulation
  • (G)FSK, 4(G)FSK
  • OOK
  • Max output power
  • +25 dBm
  • Low active radio power consumption
  • 21 mA RX
  • 230 mA Tx @ +23 dBm
  • Power supply: 2.3 to 3.6 V
  • LGA25 (25.4×12.7×3.81 mm, 1”×0.5”×0.15”) land grid array package


  • Sensor network
  • Health monitors
  • Remote control
  • Home security and alarm
  • Telemetry
  • Industrial control
Side view of a TD next's TD1508 module