Specifications

Table Of Contents
Serial port intercommunication agreement | VI-88TR development handbook
F0H 02H 05H 09H
Command format with reader address:
Command code: 05H
Parameter of reader address:address
Command parameter: 2 bytes, byte1 expresses start frequency fmin, value
1~63; byte2 expresses end frequency fmax, value 1~63. If fmax>fmin,
reader works by FHSS, range is fminfmax. If fmax=fmin, reader works in
fixed frequency, frequency is fmax.
Command packet: 40H 05H 05H address fmin fmax CheckSum
Return data: if command execution correct, return data is null.
F0H 03H 05H address CheckSum
Chart. Relation between requency channel and transmitting
frequency
Channel
number
Frequency
inMHz
Channel
number
Frequency
inMHz
Channel
number
Frequency
inMHz
1 902.50 21 912.50 41 922.50
2 903.00 22 913.00 42 923.00
3 903.50 23 913.50 43 923.50
4 904.00 24 914.00 44 924.00
5 904.50 25 914.50 45 924.50
6 905.00 26 915.00 46 925.00
7 905.50 27 915.50 47 925.50
8 906.00 28 916.00 48 926.00
9 906.50 29 916.50 49 926.50
10 907.00 30 917.00 50 927.00
11 907.50 31 917.50
12 908.00 32 918.00
13 908.50 33 918.50
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