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P-70 Ultra supports the following four channels to connect to terminal devices: |
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USB Wired
Channel A
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When connected to a computer, the P-70 Ultra is recognized
as two hardware ports.
The device named "Silicon Labs Dual
CP2105 USB to UART Bridge: Enhanced COM Port" is
Wired Channel A. The computer can use this channel to
provide RTK correction data to the P-70 Ultra.
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USB Wired
Channel B
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The device named "Silicon Labs Dual
CP2105 USB to UART Bridge: Standard COM Port" is
Wired Channel B. The computer can use this channel to
receive positioning data from the P-70 Ultra.
 This channel does not support
RTK correction data input. |
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Bluetooth
Channel 1
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Bluetooth Name:
"P-70 Ultra NTRIP SPP" (SPP
mode), "P-70 Ultra NTRIP BLE"
(BLE mode)
Terminal devices can use this channel to provide RTK
correction data to the P-70 Ultra.
When connected to this
channel, the P-70 Ultra will prioritize it for RTK correction data and ignore
data from USB Wired Channel A. |
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Bluetooth
Channel 2
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Bluetooth Name:
"P-70 Ultra SPP" (SPP
mode), "P-70 Ultra BLE"
(BLE mode)
Terminal devices can use this channel to receive positioning
data from the P-70 Ultra.
This channel does not support RTK correction data input. |
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Default Parameters for Each Channel:
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Baud Rate |
Output Protocol |
Input Protocol |
USB Wired
Channel A |
230,400 bps |
NMEA 0183
$GNGGA, $GNRMC @ 1Hz
$GNGSA, $GNGSV @ 0.1Hz |
MSM4, MSM7 |
USB Wired
Channel B |
230,400 bps |
NMEA 0183
$GNGGA, $GNRMC @ 1Hz
$GNGSA, $GNGSV @ 0.1Hz |
Not Supported |
Bluetooth
Channel 1 |
Auto |
NMEA 0183
$GNGGA, $GNRMC @ 1Hz
$GNGSA, $GNGSV @ 0.1Hz |
MSM4, MSM7 |
Bluetooth
Channel 2 |
Auto |
NMEA 0183
$GNGGA, $GNRMC @ 1Hz
$GNGSA, $GNGSV @ 0.1Hz |
Not Supported |
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