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RMX2 Datasheet, PDF (11/12 Pages) Radiometrix Ltd – Narrow Band Direct Interface Multi Channel Transceiver
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RMX2-458-10: 458MHz UK SRD band (458.525 – 459.175 MHz)
Parameter name
Phase Comparing Frequency Fcomp
[kHz]
Start Channel Frequency Fch [MHz]
Channel Step Frequency [kHz]
Number of Channel
Prescaler M
Value
25
458.5250
25
27
64
Parameter name
Reference Frequency FOSC[MHz]
Offset Frequency Foffset [MHz]
Value
21.25
21.7
: For data input
: Result of calculation
: Fixed Vale
Parameter name
Reference Counter R
Programmable Counter N Min.
Value
Programmable Counter N Max.
Value
Swallow Counter A Min. Value
Swallow Counter A Max. Value
Value
850
273
273
1
27
CH
No.
Channel Frequency
Fch
Expect
Frequency
Fexpect
Lock
Frequency
FVCO
Number of
Division n
(MHz)
(MHz)
(MHz)
0 458.5250
436.8250 436.8250 17473
1 458.5500
436.8500 436.8500 17474
2 458.5750
436.8750 436.8750 17475
3 458.6000
436.9000 436.9000 17476
4 458.6250
436.9250 436.9250 17477
5 458.6500
436.9500 436.9500 17478
6 458.6750
436.9750 436.9750 17479
7 458.7000
437.0000 437.0000 17480
8 458.7250
437.0250 437.0250 17481
9 458.7500
437.0500 437.0500 17482
10 458.7750
437.0750 437.0750 17483
11 458.8000
437.1000 437.1000 17484
12 458.8250
437.1250 437.1250 17485
13 458.8500
437.1500 437.1500 17486
14 458.8750
437.1750 437.1750 17487
15 458.9000
437.2000
437.2000
17488
16 458.9250
437.2250
437.2250
17489
17 458.9500
437.2500
437.2500
17490
18 458.9750
437.2750
437.2750
17491
19 459.0000
437.3000
437.3000
17492
20 459.0250
437.3250
437.3250
17493
21 459.0500
437.3500
437.3500
17494
22 459.0750
437.3750
437.3750
17495
23 459.1000
437.4000
437.4000
17496
24 459.1250
437.4250
437.4250
17497
25 459.1500
437.4500
437.4500
17498
26 459.1750
437.4750
437.4750
17499
Programmable Swallow
Counter N Counter A
273
1
273
2
273
3
273
4
273
5
273
6
273
7
273
8
273
9
273
10
273
11
273
12
273
13
273
14
273
15
273
16
273
17
273
18
273
19
273
20
273
21
273
22
273
23
273
24
273
25
273
26
273
27
Note: In the 458MHz SRD band in the UK, channel frequencies 458.825MHz, 458.8375MHz and 458.900MHz are
reserved for alarm usage, and should not be used for general telemetry applications
Radiometrix Ltd
RMX2-433-10 Data sheet
Page 11/12
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