Chose Parts for a long range 6" Rig.
Am using the latest Betaflight 3.4 with GPs Rescue and its working flawlessly.

My DIFF all is below FYI

feature

feature GPS
feature AIRMODE

beeper

beacon

map

map TAER1234

serial

serial 1 0 115200 57600 0 115200
serial 2 2048 115200 57600 0 115200
serial 3 64 115200 57600 0 115200
serial 4 2 115200 57600 0 115200

led

color

mode_color

aux

aux 0 0 1 900 1300 0
aux 1 1 0 900 1300 0
aux 2 2 0 1300 1700 0
aux 3 46 4 1700 2100 0
aux 4 13 2 1700 2100 0
aux 5 35 2 1275 1675 0
aux 6 37 4 1300 1700 0

adjrange

rxrange

vtx

rxfail

master

set mag_hardware = NONE
set rssi_channel = 12
set serialrx_provider = CRSF
set dshot_idle_value = 400
set motor_pwm_protocol = DSHOT600
set vbat_max_cell_voltage = 44
set beeper_dshot_beacon_tone = 5
set small_angle = 180
set gps_provider = UBLOX
set gps_rescue_initial_alt = 70
set deadband = 4
set yaw_deadband = 4
set pid_process_denom = 1
set osd_vbat_pos = 2497
set osd_rssi_pos = 2433
set osd_tim_2_pos = 2518
set osd_throttle_pos = 2472
set osd_vtx_channel_pos = 2487
set osd_ah_pos = 2126
set osd_current_pos = 2503
set osd_mah_drawn_pos = 2511
set osd_gps_speed_pos = 2423
set osd_gps_lon_pos = 2081
set osd_gps_lat_pos = 2095
set osd_home_dir_pos = 2126
set osd_home_dist_pos = 2128
set osd_altitude_pos = 2452
set osd_avg_cell_voltage_pos = 2465
set vtx_channel = 7
set vtx_power = 3
set vtx_freq = 5860

profile

profile 0

set dterm_notch_hz = 260
set dterm_setpoint_weight = 40

profile

profile 1

profile

profile 2

restore original profile selection

profile 0

rateprofile

rateprofile 0

set roll_rc_rate = 130
set pitch_rc_rate = 130
set yaw_rc_rate = 130

rateprofile

rateprofile 1

rateprofile

rateprofile 2

rateprofile

rateprofile 3

rateprofile

rateprofile 4

rateprofile

rateprofile 5

restore original rateprofile selection

rateprofile 0

save configuration

save