56050801 - Rev B
19
© 2017 Telguard
Appendix 3 – Detailed Specifications
Dialer to Interface Electronics
The patented integrated interface by Telguard, allows digital dialers to dial into
the cellular radio network.
Line voltage: -30 Vdc into standard telephone device when on-hook.
Dial tone: Precision 350 + 440Hz +/- 1%.
10 digits dial out capability.
Mode:
Loop start only.
25mA +/- 10% off-hook.
Ringer Equivalence: 0.3 REN
Protected by U.S. Patents: 4,658,096; 4,775,997; 4,922,517; 4,737,975;
4,868,519; 5,134,644.
Power
Maximum AC current draw:
125mA (battery charged)
350mA (battery charging)
Battery Supply:
Maximum full charge DC voltage = 13.8V +/- 0.2V.
Battery charging system: Constant current, Electronic short circuit
protection
Maximum charging current of 240mA
Transformer Supplied: 12 VAC 10VA, UL, plug-in; acceptable transformers:
GlobTek part number:
WA1E800J00-N-GTGTAB
Tri-Mag part number: WTD-1208-C
Average DC Current Draw:
6.2VDC 64mA (idle), 265mA (transmitting)
12VDC 34mA (idle), 121mA (transmitting)
16VDC 28mA (idle), 117mA (transmitting)
Digital Cellular Radio
The Telguard cellular radio provides data connectivity on LTE networks. The
Telguard transceiver is FCC compliant, meeting all requirements of Part 15 and 27
testing. It is also compliant to the PTCRB requirements.
Supported Bands: 3G B2/B5, LTE B2/B4/B5/B17
Antenna Port: TNC connector (female), 50-ohm
RF performances are compliant with 3GPP recommendation TS 36.101
FCC ID: N7NHL7688
IC ID: 2417C-HL7688
Physical Size: 11.4” x 7.75” x 3.3”
Shipping weight: 5 lbs.
Operating Environment:
0
°
C to +49
°
C; 0 - 85% humidity (non-condensing)