15.15.2 General RF Specifications

Test Conditions (unless otherwise stated):

VDD = 3.0V, fRF = 914MHz, TOP = +25°C, Measurement setup in Basic Application Schematic.

Symbol Parameter Condition Min. Typ. Max. Unit
fRF Frequency range As specified in [1] 868.3 914 924 MHz
1MHz spacing 769 935 MHz
100kHz spacing 769.0 794.5 MHz
100kHz spacing 857.0 882.5 MHz
100kHz spacing 902.0 928.5 MHz
fCH Channel spacing

As specified in [1]

except CHANNEL = 0

 2 MHz
1MHz spacing 1000 kHz
100kHz spacing 100 kHz
fCHIP Chip rate BPSK as specified in [1](1) 300 kchip/s
BPSK as specified in [1](2) 600 kchip/s
O-QPSK as specified in [2](1) 400 kchip/s
O-QPSK as specified in [2], [3](2) 1000 kchip/s
fHDR Header bit rate (SHR, PHR) BPSK as specified in [1](1) 20 kb/s
BPSK as specified in [1](2) 40 kb/s
O-QPSK as specified in [2](1) 100 kb/s
O-QPSK as specified in [2], [3](2) 250 kb/s
fPSDU PSDU bit rate BPSK as specified in [1](1) 20 kb/s
BPSK as specified in [1](2) 40 kb/s
O-QPSK as specified in [2](1) 100 kb/s
O-QPSK as specified in [2], [3](2) 250 kb/s
OQPSK_DATA_RATE = 1(1) 200 kb/s
OQPSK_DATA_RATE = 2(1) 400 kb/s
OQPSK_DATA_RATE = 1(2) 500 kb/s
OQPSK_DATA_RATE = 2(2) 1000 kb/s
fCLK Crystal oscillator frequency Reference oscillator 16 MHz
fSRD

Symbol rate deviation

Reference frequency accuracy for correct functionality

 PSDU bit rate
20/40/100/250kb/s -60(3) +60 ppm
200/400/500/1000kb/s -40 +40 ppm
  1. For TRX_CTRL_2.SUB_MODE = 0.
  2. For TRX_CTRL_2.SUB_MODE = 1.
  3. A reference frequency accuracy of ±40ppm is required by [1], [2], [3], [4].