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HopeRF's RFM23BP are highly integrated, low cost,433/470/868/915MHZ wireless ISM transceivers module. The low receive sensitivity(–120dBm) coupled with industry leading +30dBm output power ensures extended range and improved link performance. Built-in antenna diversity and support for frequency hopping can be used to further extend range and enhance performance. Additional system features such as an automatic wake-up timer, low battery detector, 64 byte TX/RX FIFOs, automatic packet handling, and preamble detection reduce overall current consumption and allow the use of lower-cost system MCUs. An integrated temperature sensor, general purpose ADC, poweron-reset (POR), and GPIOs further reduce overall system cost and size.
The RFM23BP digital receive archit ecture features a high-performance ADC and DSP based modem which performs demodulation, filtering, and packet handling for increased flexibility and performance. The direct digital transmit modulation and automatic PA power ramping ensure precise transmit modulation and reduced spectral spreading ensuring compliance with global regulations including FCC, ETSI. An easy-to-use calculator is provided to quickly configure the radio settings, simplifying customer's system design and reducing time to market.
433/868/915MHz ISM bands
Sensitivity = –120 dBm
Output power range
+30 dBm Max (RFM23BP)
Low Power Consumption
25 mA receive
550 mA @ +30 dBm transmit
Data Rate = 0.123 to 256 kbps
FSK, GFSK, and OOK modulation
Power Supply = 3.3 to 6 V
Ultra low power shutdown mode
Auto-frequency calibration (AFC)
Antenna diversity and TR switch control
Configurable packet handler
TX and RX 64 byte FIFOs
Low battery detector
Temperature sensor and 8-bit ADC
–40 to +85 °C temperature range
Integrated voltage regulators
Frequency hopping capability
On-chip crystal tuning
16-PIN SMD package
Remote control Home security & alarm
Telemetry Personal data logging
Tire pressure monitoring
Wireless PC peripherals
Remote meter reading
Remote keyless entry
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