14MM-GT22C - WISI Tangram IP to FM Card
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WISI Tangram IP to FM Card


Product Summary

The GT22C module is part of the Tangram product portfolio. The GT22C module allows you to insert up to 8 services in FM format to your network. Tangram is a very high density and highly flexible solution for all kinds of networks. The WISI Tangram chassis uses a fully redundant concept (n+1, 1+1).
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Features and Benefits

  • High-quality IP to analogue FM modulation with advanced MPEG decoding
  • Up to 8 FM channels on 1 RF output
  • Fully redundant concept (1+1, n+1)
  • High density 48 FM channels in 1 RU
  • RDS extraction and insertion
  • Easily managed by an intuitive WEB based UI

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IP-Inputs 32 pcs
IP-Compliance ISO/IEC 13818
IP-Input Bitrate Max. 425 Mbit/s per IPTS, Max. 850 Mbit/s total
IP-Input Protocol UDP/RTP/RTP+FEC Unicast and Multicast, IGMP v2 and v3
IP-FEC Inputs Yes, with GTFEC License
IP-FEC Compliance SMPTE 2022-1, SMPTE 2022-2
IP-Packet Format MPEG over UDP/IP and RTP/IP
IP-Packet Size 188 Byte
IP-PCR Restamping Yes
IP-Dejittering Yes, per default 100ms, individual adjustable
Audio and RDS processing
Audio Decoder ISO 13818-3 MPEG-1 (L1/L2); MPEG-2 (L1/L2)
Audio Language ISO 639
Audio Format Mono/Stereo/Joint-Stereo
Audio Level Range ±6 dB
Audio Level Step Size 1 dB
Pilot Tone Frequency 19 kHz (±2 kHz)
Pilot Tone Phase Stability < ±3 °
Pilot Tone Level 6,75 kHz (±0,75 kHz)
RDS Insertion Yes, UECP SPB490 (dynamic and static)
RDS Carrier Frequency 57 kHz (±6 Hz)
RDS Carrier Level 2,5 kHz (±0,25 kHz)
RDS Carrier Phase Stability < ±10 °
Audio parameters
38 kHz Supression ≥42 dB
Amplitude Response ≤ ±0,5 dB (40 Hz...15 kHz)
15 kHz Low Pass Filter >40 dB (>19 kHz)
Total Harmonic Distortion <0,2 % (75 kHz dev.)
S/N Ratio (unweighted) >60 dB (75 kHz dev.), (weighted ITU-R BS 468,4)>60 dB (75 kHz dev.)
L/R Channel Level Difference <1 dB (40 Hz...15 kHz)
L/R Phase Difference <10 dB (40 Hz...15 kHz)
L/R Separation >43 dB (300 Hz...4 kHz)
Preemphasis Characteristics 50 μs (±2 μs)
RF parameters
Output Ports 1 pcs.
(the second RF port is not in
Channels Per Port up to 8
Output Impedance 75 Ω
Output Frequency 87,5...108 MHz
Output Frequency Steps 1 kHz
Output Level Stability ±1 dB
Output Level 102 dBμV
Output Level Setting 0...30 dB (0,5 dB steps)
Output return loss ≥14 dB (45 MHz -1,5 dB/Okt.)
Output Spectral Purity >66 dB
Output Broadband Noise < -120 dBm/Hz
PCR Correction and De-jitter Yes
Processing Bitrate Max.1200 Mbps total
Number of PIDs Max. 2000 PIDs total
RJ45 1 pcs. (for local management)
F-socket RF- Output 4 pcs.(1x RF-Output, 1x Test-Output-20dB ± 1dB, 2x not in operation)
General Data
Power Consumption max. ≤19 W
Operating Temperature Range -5°C...+45°C, 23°F...113°F,(ETSI EN 300 019-1-3 Class 3.1)
Max. Humidty (Non Condensing) 95 %
Electro Magnetic Compatibility
EN 50083-2
Signalling Multicolor LEDs (Power on - green, Error - red)
Hardware Revision 1000
Software Version 3.1
Dimensions (WxHxD) 100 x 20 x 250 mm
Gross Weight 0.33 kg
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