FM Broadcast Repeaters

88–108 MHz and 150–152 MHz · +43 / +40 dBm · channel-selective

FM LINE
2 bands · +43 dBm / +40 dBm
CERTIFICATION STATUS

The TETRA and P25 product lines are not third-party certified yet. Where a project timeline allows, we can assess the certification path, lead time and cost against your specific band, power and interface requirements. If your tender explicitly requires existing certificates, tell us and we will be straight with you about what is feasible.

OEM private-label manufacturing and ODM design are both available. Regional distribution is not currently offered.

FM Broadcast Repeaters — what the line covers

Two FM broadcast products: a channel-selective rebroadcast unit for the 88–108 MHz broadcast band (6 channels, IP67) and a +40 dBm unit for the 150–152 MHz band. Used for single-programme re-broadcast, gap filling and regional coverage extension. Not third-party certified yet.

FREQUENCY BANDS
  • 88–108 MHz (FM broadcast band)
  • 150–152 MHz
POWER TIERS

+43 dBm / +40 dBm

COUPLING FORMS
  • Off-air (RF)
COMPATIBLE STANDARDS
FM broadcastTwo-way radio (150–152 MHz band)

Compatibility is stated for the cited model; confirm the exact combination against the model datasheet before ordering.

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Models on this line

Parameters below are taken from the model datasheet. Where a figure has not been verified against the document body it is marked accordingly rather than estimated.

KT-A-M-BFMP43C-6

Internal model: KT-FMRP-CH6-P40

88–108 MHz (customizable) · +43 ± 2 dBm
Channel-selective · Off-air · 6 channels
  • Covers the full 88–108 MHz FM broadcast band, customizable
  • 6-channel channel-selective operation
  • +43 ± 2 dBm output, automatic level control within ±2 dB
  • 95 ± 3 dB max gain with ≥ 30 dB adjustment range
  • IMD ≤ −36 dBc — low intermodulation keeps programme audio clean
  • Off-air RF coupling
Verified parameters and datasheet
Frequency range88–108 MHz (customizable)
Max output power+43 ± 2 dBm (customizable)
Channel number6
ALCinput +10 dB → ΔPo ≤ ±2 dB
Max gain95 ± 3 dB
Gain adjustable range≥ 30 dB
Gain adjustable linearity10 dB → ±1.0 · 20 dB → ±1.0 · 30 dB → ±1.5
Ripple in effective band≤ 3 dB
Max input level (1 min continuous)−10 dBm
Transmission delay≤ 5 µs
IMD≤ −36 dBc
Intermodulation 9 kHz–1 GHz≤ −36 dBm / 100 kHz
Intermodulation 1–12.75 GHz≤ −30 dBm / 1 MHz
Internal modelKT-FMRP-CH6-P40
IP rating / connectors / dimensionsContact us for the full datasheet(to be confirmed)

Source file: FM 88-108MHz 10W Off-air Channel Selective Repeaters.pdf

KT-R-M-BF2P40B

Internal model: KT-FM-B20-P50-B

150–152 MHz (nominal 2 MHz band) · +40 dBm (45 W)
Band-selective · Broadcast repeater
  • 150–152 MHz band, nominal 2 MHz bandwidth
  • +40 dBm output (45 W class)
  • Group delay ≤ 5 µs and IMD control — programme audio stays clean
  • Automatic level control holds output within ±1 dB at +20 dB input
  • Off-air RF coupling
Verified parameters and datasheet
Working frequency (nominal)150 – 152 MHz
Bandwidth (nominal band)2 MHz
Max output power+40 dBm (FM modulating signal)
Gain45 ± 3 dB
ALCinput signal +20 dB → ΔPo ≤ ±1 dB
Noise figure (in band, max gain)≤ 5 dB
Ripple in band≤ 3 dB
Frequency tolerance≤ 0.05 ppm
Time delay (in band)≤ 5 µs
Gain adjustment step1 dB
Gain adjustment range≥ 30 dB
Internal modelKT-FM-B20-P50-B
Connector / IP rating / dimensionsContact us for the full datasheet(to be confirmed)

Source file: Kingtone JIMTOM® FM 100W Repeater Data sheet.doc

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How to read our model numbers

Every model encodes its standard, band, power tier, bandwidth type and coupling form. You do not need a lookup table to read it.

KT-{form}-{standard}-B{band}P{power}{bandwidth}[-{channels}]
KT-brand prefix
Aform (the subject) — Off-air (RF coupling) · Fibre-coupled (optical) · Digital fibre (SDR) …
Tstandard — T=TETRA · D=DMR · P=P25 · A=AM broadcast · M=FM broadcast
B8band — the B prefix makes the segment boundary explicit
P37power — written as the actual dBm value, never a bucket
Bbandwidth type — Band-selective / Channel-selective / …
WORKED EXAMPLE
KT-A-T-B8P37BOff-air (RF coupling) · TETRA · 800 MHz · +37 dBm · Band-selective (whole band)

Every segment begins with an explicit letter (form, standard, B for band, P for power, C for channels), so position carries no meaning and a model cannot be misread. Multi-band cellular models list full 3GPP band codes (n28, B3, W8 …) rather than a shorthand, because procurement has to confirm the exact bands. Fibre systems add a unit role (-MU master / -RU remote) because the two are different units.

Models already covered by a third-party certificate keep their certified names — renaming them would break the certificate. A full one-page reference covering every code is supplied with the quotation on request.

FM PRODUCT LINE PROJECT INQUIRY

Tell us the requirement, not the model

Send the band, power tier, bandwidth type, coupling form, channel count and project timeline. If certification is required for your tender, say so — we will tell you what is realistic rather than quoting a lead time we cannot meet.

Full datasheets for every model are available on request.

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