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RF In Stadium Transmission System
User’s Manual
Network Transmitter
Model: ST100NT
2018-01-11
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Charge Battery Pack
Unit contains a 7.2V NiMH 3000mAh battery pack. Quick charge with a charger designed for NiMH cells
using a current of 1.5A within +10°C to +40°C. Battery pack is not charged when connected to external
12VDC power. Battery pack must be removed and charged separately.
Install Antennas
Attach provided antennas. Hand Tighten only.
• 902-928 MHz RP-SMA: Nearson S1551AH-915S (no stripes)
• 433 MHz RP-SMA: Linx ANT-433-CW-QW (red stripes)
Switch On
Push the power switch to the ON position. Unit boots in 5 seconds. Heartbeat 1Hz pulse red ring LED
indicates the unit is running and ready for operation.
Switch On Master Controller
Toggle power switch to the ON position on the mating ST100MC Master Controller. Wait 20 seconds for
the unit to boot.
Set Frequency
Unit supports operation from 430.87 to 436.87 MHz in 50kHz steps. See Appendix A for complete
channel list. Use ST100MC Master Controller to configure the operating frequency and visual blinking
pattern parameters using USB connection with terminal emulation program. 9600/n/8/1.
Push Activation Button
Press any of the keypad buttons on the Master Controller to generate the activation signal. Signal is
generated for 4.8s.
Specifications
Frequency: 902-928 MHz control network, 430.87 – 436.87 MHz activation channel (121 selectable).
Rated Power: 1W (902-928 MHz control network), -15dBm EIRP average (433 MHz)
Battery Life: 75h continuous (+10°C to +40°C). -20% derating at 0°C, -50% derating at -10°C. Sleep
mode extends time between charges in the case of longer duration installs.
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Appendix A: Channels
Channel Freq (MHz) Channel Freq (MHz) Channel Freq (MHz)
0 430.87 41 432.92 81 434.92
1 430.92 42 432.97 82 434.97
2 430.97 43 433.02 83 435.02
3 431.02 44 433.07 84 435.07
4 431.07 45 433.12 85 435.12
5 431.12 46 433.17 86 435.17
6 431.17 47 433.22 87 435.22
7 431.22 48 433.27 88 435.27
8 431.27 49 433.32 89 435.32
9 431.32 50 433.37 90 435.37
10 431.37 51 433.42 91 435.42
11 431.42 52 433.47 92 435.47
12 431.47 53 433.52 93 435.52
13 431.52 54 433.57 94 435.57
14 431.57 55 433.62 95 435.62
15 431.62 56 433.67 96 435.67
16 431.67 57 433.72 97 435.72
17 431.72 58 433.77 98 435.77
18 431.77 59 433.82 99 435.82
19 431.82 60 433.87 100 435.87
20 431.87 61 433.92 101 435.92
21 431.92 62 433.97 102 435.97
22 431.97 63 434.02 103 436.02
23 432.02 64 434.07 104 436.07
24 432.07 65 434.12 105 436.12
25 432.12 66 434.17 106 436.17
26 432.17 67 434.22 107 436.22
27 432.22 68 434.27 108 436.27
28 432.27 69 434.32 109 436.32
29 432.32 70 434.37 110 436.37
30 432.37 71 434.42 111 436.42
31 432.42 72 434.47 112 436.47
32 432.47 73 434.52 113 436.52
33 432.52 74 434.57 114 436.57
34 432.57 75 434.62 115 436.62
35 432.62 76 434.67 116 436.67
36 432.67 77 434.72 117 436.72
37 432.72 78 434.77 118 436.77
38 432.77 79 434.82 119 436.82
39 432.82 80 434.87 120 436.87
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Appendix B: Regulatory Statements
Compliance Statement (Part 15.19)
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions:
1. This device may not cause harmful interference, and
2. This device must accept any interference received, including interference that may cause
undesired operation.
Warning (Part 15.21)
Changes or modifications not expressly approved by the party responsible for compliance could void
the user’s authority to operate the equipment.
FCC Interference Statement (Part 15.105 (b))
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates uses and can
radiate radio frequency energy and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference by one of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
• Consult the dealer or an experienced radio/TV technician for help.
To comply with FCC/IC RF exposure limits for general population / uncontrolled exposure, the antenna(s) used for
this transmitter must be installed to provide a separation distance of at least 34 cm from all persons and must not
be co-located or operating in conjunction with any other antenna or transmitter.
This device complies with Industry Canada’s licence-exempt RSSs. Operation is subject to the following
two conditions:
(1) This device may not cause interference; and
(2) This device must accept any interference, including interference that may cause undesired operation
of the device.
This radio transmitter (IC: 11838A-INSTAD) has been approved by Industry Canada to operate with the
antenna types listed below with the maximum permissible gain indicated. Antenna types not included in
this list, having a gain greater than the maximum gain indicated for that type, are strictly prohibited for use
with this device.
Dipole (2.0 dBi), 90° articulated, RP-SMA, 204mm, 902-928 MHz, p/n:
¼ Wave (3.3 dBi), RP-SMA, 173mm, 433 MHz, p/n: ANT-433-CW-QW
S1551AH-915S
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