TaiT TB7300
High performing, multi-mode, 1U slimline base station/repeater.
The Tait TB7300 is a 1U slimline base station with a 100% duty cycle that is very cost-effective. Multi-mode capabilities provides a versatile platform for communications in traditional analog, analog simulcast IP, MPT-IP, P25, and DMR networks. The TB7300 is an ideal solution for network migrations, new installations, and expansion due to its seamless connection with Tait's TB9300 and TB9400 series base stations, as well as remote network administration.
Description
Key Features
Specifications
General Specifications
Versatile Multi-Mode Base Station for Reliable Communications
The Tait TB7300 is a high-performance, multi-mode base station/repeater designed to deliver exceptional flexibility for modern communication networks. Supporting analog conventional, MPT, DMR Tier 2 & 3, and P25 Phase 1 FDMA operation, the TB7300 is perfect for agencies and enterprises that need a scalable and future-ready solution.
Its slim 1U rack-mounted design saves space while offering advanced IP connectivity for seamless integration into your network. With support for simulcast operation in analog, DMR, and P25 Phase 1 modes, it ensures reliable coverage over wide areas.
Whether used as a base station or a simple repeater, the TB7300 provides a spectrally efficient and cost-effective solution for small to medium-sized networks that require consistent, mission-critical communication.
| Features |
|---|
| • Multi-mode platform supporting Analog Conventional, AS-IP (Analog Simulcast over IP), MPT, DMR Conventional and Trunking (TDMA) and P25 Conventional and Trunking (Phase1FDMA) |
| • Dual mode automatic switching between Analog and DMR Tier 2 (single repeater) |
| • Simple change of mode through the web interface, or program complex operations with TaskBuilder |
| • Ultra-narrow band 6.25kHz equivalent technology for DMR modes (2x TDMA channels in 12.5kHz) |
| • Adherence to the DMR Tier 2 & Tier 3 standards |
| • Tait DMR Access and Express solution compatible |
| • Simulcast and Voting in AS-IP, DMR and P25 Conventional networks |
| • DMR fallback into single site operation |
| • Migration capability fromTait MPT toDMRTier 3 trunked network |
| • MPT fallback into MPT single site operation or Analog conventional channel |
| • Migration capability fromTait AS-IPtoP25 Conventional network, with dual mode, simplex and DFSI capabilitiesor to Tait DMR simulcast |
| • Analog line (supporting 4 wire E&M) in analog mode for RF linking connection and local console support |
| • Efficient system infrastructure scalability based on IP network connectivity |
| • Extensive range of remote management and monitoring capabilities with a security focus |
| • Built-in basic spectrum analyzer provides on-site diagnostics |
| • 1U slimline design with 13.8V DC or AC 120V to 230V 50/60Hz mains power supply options |
| • High performance receiver covers full frequency range with no manual adjustment |
FREQUENCY BANDS
| Frequency | Range | Tait Band | Configuration |
|---|---|---|---|
| VHF | 136-174MHz | B1 | 50W* |
| UHF | 400-470MHz | H5 | 40W* |
| 470-520MHz | H3 | 40W* | |
| 700/800MHz | 762-870MHz | K4 | 35W* |
* Note: please check the specification manual for the exact value tolerance
REGULATORY
| DMR, MPT, AS-IP, Analog FM | P25 | |
|---|---|---|
| USA (CFR 47) | B1, H5, H3, K4 | B1, H5, H3, K4 |
| Canada (RSS-119) | B1, H5, K4 | B1, H5, K4 |
| Europe (EN300-113, EN300-086, EN301-489) | B1, H5, H3 | B1, H5, H3 |
| Australia/New Zealand (AS/NZS4768) | B1, H5, H3 | B1, H5, H3 |
* FCC Approved
** CE Approved
INTERFACE STANDARDS
| Digital Protocol (DMR) |
ETSI TS 102 361-1 V2.6.1, ETSI TS 102 361-2 V2.5.1, ETSI TS 102 361-3 V1.3.1, ETSI TS 102 361-4 V1.12.1 |
| General System Design | ETSI TR102 398 V1.5.1 |
MILITARY STANDARDS 810G
| Applicable MIL-STD | Method | Procedure |
|---|---|---|
| Shock | 516.6 | I |
ANALOG LINE
| Input | Output | |
|---|---|---|
| Audio interfaces | 600Ω Balanced | 600Ω Balanced |
| Audio interface level | -30dBm to 0dBm nominal (300Hz to 2,550Hz) | -30dBm to 0dBm nominal (300 to 2,550Hz) |
| Frequency response | +0.5/-2.0dB rel. 1kHz (300Hz to 3,000Hz) | |
| Passband ripple | -3 to +1dB | -3 to +1dB |
| Audio distortion | <3% typical (line to RF) | <3% typical (RF to line) |
| Rx Gate | - | Logic state: active low |
| Tx Key | Logic state: active low | - |
TRANSMITTER
| Modulation types | 4FSK, FM, C4FM | |
| P25 Modulation fidelity (TIA-102) | <2% | |
| Adjacent channel power 12.5kHz static | 60dB, complies with EN 300 113 v2.2.1 (DMR) | |
| Conducted spurious emissions | ||
| VHF | <-36dBm 9kHz to 1GHz and <-30dBm 1GHz to 4GHz | |
| UHF | <-36dBm 30MHz to 1GHz and <-30dBm 1GHz to 4GHz/12.75GHz | |
| Duty Cycle | 100% | |
| Power Consumption | ||
| Standby | DC: 0.83A, 11.5W @ 13.8V | AC 20W @ 120/230V |
| Tx @ 50W | DC: 9.6A, 133W @ 13.8V | AC 200W @ 120/230V |
RECEIVER
| Modulation types | 4FSK, FM, C4FM |
| Radiated spurious emissions EIA-603-D | <-57dBm EIRP to 1GHz |
| Conducted spurious emissions | <-90dBm to 2GHz |
| P25 (TIA-102) | |
| Sensitivity | 0.22µV (-120dBm) @ 5% BER |
| Intermodulation response attenuation | 85dB |
| Adjacent channel rejection | 60dB |
| Co-channel rejection | 9dB |
| DMR | |
| Sensitivity | -122dBm (0.18µV) @ 5% BER |
| Unfaded sensitivity ETS 300 113 | |
| Typical | -122dBm (0.18µV) @ 1% BER |
| Guaranteed | -120dBm (0.22µV) @ 1% BER |
| Selectivity ETS 300 113 @ 1% BER |
≥82dB (VHF), ≥79dB (UHF) |
| Intermodulation response attenuation | ≥78dB @ 1% BER unfaded |
| Blocking rejection > 1MHz |
100dB @ 1% BER |
| Analog | |
| Sensitivity | <-119dBm (0.25µV) (12dB SINAD, centre of switching range) at 25°C (de-emphasised response) |
| Selectivity (EIA-603) | 85dB (VHF & UHF) |
| Intermodulation | 80dB (ETSI) |
| Spurious response attenuation | ≥100dB (ANSI/TIA) and ≥90dB (ETSI) |
| FM hum and noise VHF/UHF |
45dB (ANSI/TIA), 50dB (ETSI) |
GENERAL
| Radio specifications | |
| Frequency stability | +/- 0.5 ppm |
| Channels | 4,000 |
| Channel spacing | 12.5kHz and 25kHz** in analog 12.5kHz provides 1 FDMA voice or data channel in P25 Phase 1 mode 12.5kHz provides 2 TDMA voice or data channels (6.25kHz equivalent) in DMR mode |
| Frequency increment/channel step | VHF 2.5/3.125kHz (or multiples of), UHF 5/6.25kHz |
| External frequency reference | 10MHz/12.8MHz (auto detect) |
| DMR Packet data | 1/2 Rate, 3/4 Rate, Full rate, Single Slot |
| Physical specifications | |
| Dimensions (HxWxD) | 1.7 x 19 x 15.8in (44 x 483 x 400mm) 1U Rack Space |
| Weight | AC: 17.2lb (7.8kg), DC: 14.8lb (6.7kg) |
| Operating temperature | -22° to +140°F (-30°C to +60°C) |
| Power specifications | |
| Power Supply AC | 120V to 230V AC 50/60Hz** |
| Power Supply DC | 13.8V Typical (11 - 15 VDC Range)* |
| Output power | |
| VHF | Programmable 2-50W |
| UHF | Programmable 2-40W |
| 800MHz | Programmable 2-35W |
| Connectors | |
| Transmitter | N-type female |
| Receiver | BNC female |
| External reference frequency input | BNC female |
| 1 PPS input | BNC female |
| Network ethernet port | RJ45 |
| Serial port | RJ12 |
| Analog line and I/O connector | 25-way D-range |
| AC input | IEC connector |
| DC input | Screw terminal |
| * Note: please check the specification manual for the exact value tolerance | |
| **When P25/AS-IP capable firmware is loaded (not available with DMR/Analog firmware) | |
| ***Note: For AC powered, TB7300 screw terminals are a 13.5V at 1Amp auxiliary output | |
