Description：
- RT90
supports analog and digital mode, It provides dual band, dual standby, dual display, dual time slot, operating on both 400-480MHz UHF frequencies and 136-174MHz VHF at up to 50 watts VHF and 45 watts UHF.
- Using Time-Division Multiple-Access (TDMA) digital technology,AMBE++vocoder, compatible with Mototrbo and DMR Tier I &II.
- The RT90 supports 250 zones, 3000 channel, 10000 contacts, it has built-in CTCSS/DCS, channel scan, priority scan, short text message features, draft message edit, contacts check and edit, and encryption.
- RT90 has other function, including Private Call, Group Call and All Call, it also includes Lone worker mode, power save mode, low power alarm, an emergency alarm and VOX capability.
Feature:
- Output power: 50W
- Use TDMA digital function
- Compatible with Mototrbo Tier I &II
- Dual band, dual standby, dual display, dual time slot
- 250 zone, 3000 channel, 10000 contacts
- Digital mode and Analog mode
- Single call, group call and all call
- Emergency function
- Remote kill/stun/Activate
- Group match/single match
- Record function
- PC programmable function
- CTCSS.DCS encoding and decoding function
- PC password protection function
- Color LCD Display
- Programmable functional keys
- Low Voltage prompt
- Upgradeable by firmware
- TOT
- SQL Setting
- Scanning Function and priority scanning
- Monitor Function
- VOX Transmitting
- Lone Worker
- Time and zone setting
Specifications:
| General | |
| Frequency Range(MHz) | VHF: 136-174Mhz UHF:400-480Mhz |
| Channel | 3000 |
| PLL Channel Spacing | 6.25/12.5/25KHz |
| Voltage Rating | DC 13.8V |
| Operating Temperature | -30℃~+60℃ |
| Storage Temperature | -30℃ ~+85℃ |
| Dimention | 143*50*175 mm |
| Compatible With American Military Standard | (MIL-STD-810C/D/E) |
|
Transmitter |
|
| RF Power Output | L:25W H:50W (VHF) L:25W H:45W (UHF) |
| FM Hum and Noise | -40dB @12.5KHz -45dB @25KHz |
| Modulation limited |
+/- 2.5KHz @ 12.5 KHz |
| Conducted/radiated emission |
-36 dBm ＜ 1GHz |
| Adjacent channel power |
-60dB @12.5KHz |
| Audio Response |
+1dB ~ -3dB |
| Audio distortion |
3% |
| FM Modulation |
12.5KHz:11KOF3E |
| 4FSK digital modulation |
12.5KHz only date:7K60FXD |
| Digital protocol |
ETSI TS 102361-1,-2,-3 |
| Digital vocoder type |
AMBE++ |
| Digital agreement |
DMR |
|
Receiver |
|
| Frequency stability (-20℃+60℃,+25℃) |
+/-1.0ppm |
| Digital Sensibility |
0.3uV/-117.4dBm (BER 5%) |
| Analogue Sensibility |
0.35uV/-116dBm(20dB SINAD) |
| Rated audio |
5W |
| Adjacent Channel Selectivity |
TIA603C:60dB@ 12.5 KHz |
| Intermediation |
TIA603C:65 dB |
| C0-Channel Rejection |
12dB @12.5KHz |
| Spurious Rejection |
TIA603C:70dB |
| Audio distortion @ rated audio |
≤3% |
| FM Hum and Noise |
-40dB @12.5KHz |
| Audio response |
+1dB~-3dB |
| Spurious emission |
-57dBm@m ＜ 1GHz |
| Bolck 84db | |
Often on the HF bands, we find that the quoted antenna frequency bandwidth is not wide enough to cover the whole band. This can be a particular proble... Read more
ARRL and the Radio Society of Great Britain will jointly sponsor events to celebrate the achievement of transatlantic communications by radio amateurs... Read more
Dave has recently been sent a handheld radio from Radioddity. Let the unboxing begin! 10W/5W/2.5W/1W Selectable: The Radioddity GD-AT10G is a pow... Read more
In this video we take a look at a new and upcoming SDR Application called SDR ++ Wide hardware support (both through SoapySDR and dedicated modules) S... Read more
Space Weather News 09.22.2021 Read more
The International Amateur Radio Union (IARU) Region 1 Monitoring System (IARUMS) August newsletter reports that Radio France International was active... Read more
Robert, KG5BJF, is getting ready to set up his station and his question is “How do you determine which lightning arresters are the correct ones... Read more
The FALCON OUT-250B is a Short Wave Multiband Vertical antenna (WARC incl.) with flat SWR across the bands. In this video I assemble, install, test, c... Read more
Special guest Dr. Scott McIntosh explains why sunspot cycle 25 will be big Read more
The Chameleon Tactical Delta Loop covers 80 meters through 6 meters. and will handle 100 watts on SSB and 50 watts CW/Digital. Its a great portable an... Read more
Brand new from Yaesu is the FT5D Dual Band Fusion Handheld Ham Radio. Let’s take a look at this brand new HT and compare it to the FT3D, its pre... Read more
Kenneth, WB3JFR, encouraged this question. Do you need to use a counterpoise just because its “End Fed”? Read more
The Premier Morse Translator/Transceiver Tired of trying to learn Morse code? Searching for a state-of-the-art decoder/encoder companion for your stat... Read more
Natalie, KK4FLA, has one question that is very simple but still important. “How does one renew his license?” Read more
MFJ Ham Stick Read more
New from Alinco is the DR-MD500T, then dual band DMR mobile version of their popular dual band DMR HT. DR-MD500T Dual Band Mobile DMR VHF/UHF Portable... Read more
Icom is allowing the download of 3D data of the exterior case of the IC-705 HF/VHF/UHF Mobile Transceiver allowing customers to create their own relat... Read more
Rules Scandinavian Activity Contest Rules 2021 Rules for all participants Latest update 2021-08-11 No changes made since 2020. 1. Aim of the contest T... Read more
BuddiStick Pro ham radio antenna from Buddipole Product Details DESCRIPTION The Buddistick PRO™ Deluxe Package contains the following:1). Buddistick P... Read more
David, N9BSA, is trying to merge two antennas using a Diamond Phasing Harness ss770r, but Dave has a better suggestion…. The MFJ-916B duplexer i... Read more
Recent Posts
Stretching Antenna Bandwidths
ARRL, RSGB Announce Joint Events to Celebrate Centenary of Ham Radio Transatlantic Success
Unboxing the Radioddity GD-AT10G
SDR++ THE BLOAT FREE SDR SOFTWARE
Bright Regions Emerge Too Fast To Count | Space Weather News 09.22.2021
IARU Region 1 Monitoring System Says Radio France International Splatter “Untenable”
Choosing Lightning Arresters
HF Multiband Vertical Antenna – FALCON OUT-250B
Why Sunspot Cycle 25 Might Be a Big One –The Latest Research for Ham Radio Operators
Chameleon Tactical Delta Loop – Antenna Review
Yaesu FT5DR Ham Radio Handheld Unboxing
End Fed Dipoles : So I need a Counterpoise?
DMX-40 Transceiver
How to Renew Your License
Antenna Review | MFJ Ham Stick
Alinco DR-MD500T Dual Band DMR Mobile Radio
Download IC-705 Exterior Case 3D Data and Create Your Own Accessories
Scandinavian Activity Contest
How to Setup and Tune the BuddiStick Pro Antenna from Buddipole
Using MFJ-916B Duplexe
