u-blox AG VERAP174 Manuale Utente
VERA-P1 series - Data Sheet
UBX-17004377 - R06_draft
Confidential
Electrical specification
Page 16 of 30
4.5 Radio specifications
Parameter
Operation Mode
Specification
RF Frequency Range
802.11p
5.85 – 5.925 GHz
Modulation
802.11p
OFDM
Supported Data Rates
802.11p
3, 4.5, 6, 9, 12, 18, 24, 27 Mbps
Supported Bandwidth
802.11p
10 MHz
Maximum Transmit Power
(combined on 2 antennas)
802.11p
23 dBm
7
Minimum Transmit Power
802.11p
0 dBm
Receiver sensitivity
802.11p 10 MHz,
no multipath
3 Mbps
-98 dBm typ.
4.5 Mbps
-96 dBm typ.
6 Mbps
-95 dBm typ.
9 Mbps
-93 dBm typ.
12 Mbps
-90 dBm typ.
18 Mbps
-86 dBm typ.
24 Mbps
-82 dBm typ.
27 Mbps
-80 dBm typ.
10 MHz,
NLoS (Non-line-of-
NLoS (Non-line-of-
sight)
3 Mbps
-95 dBm typ.
4.5 Mbps
-92 dBm typ.
6 Mbps
-88 dBm typ.
9 Mbps
-86 dBm typ.
12 Mbps
-85 dBm typ.
18 Mbps
-82 dBm typ.
24 Mbps
Na
27 Mbps
Na
Receiver maximum operating input level
802.11p
-20 dBm
RSSI accuracy
802.11p Over temperature range
+/-3 dB
Center frequency and symbol clock
tolerance
802.11p
+/-10 ppm
Transmitter spectral flatness
802.11p All modulation modes
< +/-2 dB
Transmitter center frequency
leakage
802.11p
< -15 dB
Transmit power control step size
802.11p
0.5 dB
Transmit power control accuracy
802.11p Over temperature range
+/-2 dB
Table 8: Radio specifications (values are referenced to T
A
= -40 to +95 °C, 3V3 = VIO = 3.3 V, 5V0_A1 = 5V0_A2 = 5.0 V)
Table 9 shows the Highway NLoS (Non-line-of-sight) channel parameters that are used to obtain the
receiver sensitivity values in Table 8. This channel was used in RF testing at the third ETSI Plug test
(CMS3).
receiver sensitivity values in Table 8. This channel was used in RF testing at the third ETSI Plug test
(CMS3).
Each tap is faded using Pure Doppler, but the second antenna has a Doppler increased by 11 Hz,
which prevents phase synchronization of channels. The RX Power listed in Table 8 refers to the power
of Tap 0.
which prevents phase synchronization of channels. The RX Power listed in Table 8 refers to the power
of Tap 0.
7
To protect the module against permanent damage caused by overheating, the transmit power is derated at high
temperature. The derating depends on the RX/TX time ratio.