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Appendix 6 – Detailed Specifications
Dialer to Interface Electronics
The patented integrated interface by Telguard, allows digital dialers to dial into the cellular radio network.
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Line voltage: -30 Vdc into standard telephone device when on-hook.
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Dial tone: Precision 350 + 440Hz +/- 1%. 10 digits dial out capability.
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Mode: Loop start only. 25mA +/- 10% off-hook.
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Ringer Equivalence: 0.3 REN
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Protected by U.S. Patents: 4,658,096; 4,775,997; 4,922,517; 4,737,975; 4,868,519; 5,134,644.
Power
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Maximum AC current draw:
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125mA (battery charged)
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350mA (battery charging)
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Battery Supply:
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Maximum full charge DC voltage = 13.8V +/- 0.2V.
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Battery charging system: Constant current, Electronic short circuit protection
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Maximum charging current of 240mA
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Transformer Supplied: 12 VAC 10VA, UL, plug-in; acceptable transformers:
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GlobTek part number: WA1E800J00-N-GTGTAB
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Tri-Mag part number: WTD-1208-C
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Average DC Current Draw:
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6.2VDC 64mA (idle), 265mA (transmitting)
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12VDC 34mA (idle), 121mA (transmitting)
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16VDC 28mA (idle), 117mA (transmitting)
Digital Cellular Radio and Other Specifications
The Telguard TG-7 radio provides data connectivity on LTE networks. The TG-7 transceiver is FCC compliant,
meeting all requirements of Part 15 and 27 testing. It is also compliant to the PTCRB requirements.
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For units using AT&T service:
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Supported Bands: 3G B2/B5, LTE B2/B4/B5/B17
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FCC ID: N7NHL7688
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IC ID: 2417C-HL7688
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For units using Verizon service:
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Supported Bands: LTE B4/B13
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FCC ID: N7NHL7618
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IC ID: 2417C-HL7618
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For all Carriers:
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Antenna Port: TNC connector (female), 50-ohm
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RF performances are compliant with 3GPP recommendation TS 36.101
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Physical Size: TG-7/7FS=11.4" x 7.75" x 3.3" TG-7A= 12.5" x 12.5" x 4.25"
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Shipping weight: TG-7/7FS=5 lbs. TG-7A=14 lbs.
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Operating Environment: 0° C to +49° C; 0 - 85% humidity (non-condensing)
LS10265-000HW-E:D 06/03/2021
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56052901 – Rev B
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Troubleshooting
