I had to roll back to version 4.4 due to a bug in 4.5 but I was able to duplicate the transmissions of the key fob with mmbasic code.

Receive code
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'NRF24L01 basic driver module
sub NRF.init
NRF_CONFIG_RG=0
NRF_ENAA_RG=1
NRF_ENRXADDR_RG=2
NRF_SETUPAW_RG=3
NRF_SETUPRETR_RG=4
NRF_RFCH_RG=5
NRF_RFSETUP_RG=6
NRF_STATUS_RG=7
NRF_OBSERVETX_RG=8
NRF_CD_RG=9
NRF_RXADDRP0_RG=10
NRF_RXADDRP1_RG=11
NRF_RXADDRP2_RG=12
NRF_RXADDRP3_RG=13
NRF_RXADDRP4_RG=14
NRF_RXADDRP5_RG=15
NRF_TXADDR_RG=16
NRF_RXPWP0_RG=17
NRF_RXPWP1_RG=18
NRF_RXPWP2_RG=19
NRF_RXPWP3_RG=20
NRF_RXPWP4_RG=21
NRF_RXPWP5_RG=22
NRF_FIFOSTATUS_RG=23
NRF_MISO=11
NRF_MOSI=12
NRF_CLK=13
NRF_CS=14
NRF_CE=10
NRF_IRQ=9
NRF_ADDRESS_WIDTH=5
NRF_PAYLOAD_WIDTH=4
dim NRF_ADDRESS(NRF_ADDRESS_WIDTH)
dim NRF.RX(NRF_PAYLOAD_WIDTH)
dim NRF.TX(NRF_PAYLOAD_WIDTH)
setpin NRF_MISO,2
setpin NRF_MOSI,8
pin(NRF_CLK)=0:setpin NRF_CLK,8
pin(NRF_CS)=1:setpin NRF_CS,8
pin(NRF_CE)=0:setpin NRF_CE,8
end sub

sub NRF.setTXaddr
pin(NRF_CS)=0
junk=spi(NRF_MISO,NRF_MOSI,NRF_CLK,NRF_TX_ADDR_RG+32,H,0,8)
for I = 1 to NRF_ADDRESS_WIDTH
junk=spi(NRF_MISO,NRF_MOSI,NRF_CLK,NRF_ADDRESS(I),H,0,8)
next I
pin(NRF_CS)=1
end sub

sub NRF.setRXaddr(P)
pipe=&H0A+P
pin(NRF_CS)=0
junk=spi(NRF_MISO,NRF_MOSI,NRF_CLK,pipe+32,H,0,8)
for I = 1 to NRF_ADDRESS_WIDTH
junk=spi(NRF_MISO,NRF_MOSI,NRF_CLK,NRF_ADDRESS(I),H,0,8)
next I
pin(NRF_CS)=1
end sub

sub test
nrf.readpayload
print "Button #";keyfobkey()
NRF.clearRXDR
end sub

function NRF.status()
temp=nrf.readreg(NRF_STATUS_RG)
NRF.status=temp
x$=bin$(temp)
do
x$="0"+x$
loop until len(x$)=8
NRF_TX_FULL=val(right$(x$,1))
NRF_RX_P_NO=val("&B"+"mid$(x$,5,3))
NRF_MAX_RT=val(mid$(x$,4,1))
NRF_TX_DS=val(mid$(x$,3,1))
NRF_RX_DR=val(mid$(x$,2,1))
temp=nrf.readreg(NRF_FIFO_STATUS_REG)
x$=bin$(temp)
do
x$="0"+x$
loop until len(x$)=8
NRF_TX_FULL=val(mid$(x$,3,1))
NRF_TX_EMPTY=val(mid$(x$,4,1))
NRF_RX_FULL=val(mid$(x$,7,1))
NRF_RX_EMPTY=val(mid$(x$,8,1))
end function


sub NRF.readpayload
local junk
NRF.TXMODE
do
pin(NRF_CS)=0
junk=spi(NRF_MISO,NRF_MOSI,NRF_CLK,&h61,H,0,8)
for I=1 to NRF_PAYLOAD_WIDTH
NRF.RX(I)=spi(NRF_MISO,NRF_MOSI,NRF_CLK,&h0,H,0,8)
next I
pin(NRF_CS)=1
loop until nrf.readreg(23)=17
NRF.RXMODE
pause 200
end sub

sub NRF.sendpayload
NRF.TXMODE
local junk
pin(NRF_CS)=0
junk=spi(NRF_MISO,NRF_MOSI,NRF_CLK,&hA0,H,0,8)
for I= 1 to NRF_PAYLOAD_WIDTH
junk=spi(NRF_MISO,NRF_MOSI,NRF_CLK,NRF.TX(I),H,0,8)
next I
pin(NRF_CS)=1
nrf.rxmode
pause 10
nrf.txmode
end sub

sub NRF.clearRXDR
nrf.writereg(NRF_STATUS_RG,64)
end sub

function NRF.readreg(reg)
local junk, byte1
pin(NRF_CS)=0
junk=spi(NRF_MISO,NRF_MOSI,NRF_CLK,reg,H,0,8)
byte1=spi(NRF_MISO,NRF_MOSI,NRF_CLK,&H0,H,0,8)
pin(NRF_CS)=1
NRF.readreg=byte1
end function

sub NRF.flushRX
pin(NRF_CS)=0
junk=spi(NRF_MISO,NRF_MOSI,NRF_CLK,&HE2,H,0,8)
pin(NRF_CS)=1
end sub

sub NRF.flushTX
pin(NRF_CS)=0
junk=spi(NRF_MISO,NRF_MOSI,NRF_CLK,&HE1,H,0,8)
pin(NRF_CS)=1
end sub

sub NRF.writereg(reg, byte)
pin(NRF_CS)=0
junk=spi(NRF_MISO,NRF_MOSI,NRF_CLK,reg+32,H,0,8)
junk=spi(NRF_MISO,NRF_MOSI,NRF_CLK,byte,H,0,8)
pin(NRF_CS)=1
end sub

sub NRF.RXMODE
pin(NRF_CE)=1
end sub

sub NRF.TXMODE
pin(NRF_CE)=0
end sub

function NRF.RX.avail()
NRF.RX.avail=0
x= NRF.readreg(NRF_FIFOSTATUS_RG)
if x=16 or x=18 then NRF.RX.avail=1
end function

sub NRF.keyfobRX.setup
pin(NRF_CE)=0
nrf.writereg(NRF_ENAA_RG,0)
nrf.writereg(NRF_ENRXADDR_RG,1)
nrf.writereg(NRF_RFCH_RG,2)
nrf.writereg(NRF_RXPWP0_RG,4)
nrf.writereg(NRF_RFSETUP_RG,7)
nrf.writereg(NRF_CONFIG_RG,&B00001011)
pin(NRF_CE)=1
end sub

sub BLINKLED
pin(0)=0
pause 50
pin(0)=1
pause 50
pin(0)=0
pause 50
pin(0)=1
end sub

function keyfobkey()
keyfobkey=0
if nrf.rx(1)=30 then
keyfobkey=1
BLINKLED
endif
if nrf.rx(1)=23 then
keyfobkey=2
BLINKLED
endif
if nrf.rx(1)=29 then
keyfobkey=3
BLINKLED
ENDIF
if nrf.rx(1)=27 then
keyfobkey=4
BLINKLED
ENDIF
if nrf.rx(1)=15 then
keyfobfey=5
BLINKLED
ENDIF
end function

sub showRXaddress(x)
temprg=&H0A+x
pin(NRF_CS)=0
junk=spi(NRF_MISO,NRF_MOSI,NRF_CLK,NRF_RXADDRP0_RG+x,H,0,8)
for i=1 to 5
byte=spi(NRF_MISO,NRF_MOSI,NRF_CLK,&H0,H,0,8)
print byte;
next i
print ""
pin(NRF_CS)=1
NRF.readreg=byte1
end sub

sub showregs
local junk,byte
for I=0 to 23
pin(NRF_CS)=0
junk=spi(NRF_MISO,NRF_MOSI,NRF_CLK,I,H,0,8)
byte=spi(NRF_MISO,NRF_MOSI,NRF_CLK,&h0,H,0,8)
pin(NRF_CS)=1
print "REG #"+str$(I)+" = "+str$(byte)
pause 100
next I
end sub

sub testtx
NRF.init
nrf.clearRXDR
nrf.flushRX
nrf.keyforRX.setup
nrf.tx(1)=72
nrf.tx(2)=69
nrf.tx(3)=76
nrf.tx(4)=80
nrf.sendpayload
end sub

'start
NRF.init
nrf.clearRXDR
nrf.flushrx
NRF.keyfobRX.setup
setpin NRF_IRQ,7,test
NRF.RXMODE
do:loop
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