Retevis RT95 - HAM/GMRS Dual Band Transceiver
The Retevis RT95 is a compact and easy to use dual band HAM radio that can also be expanded to cover GMRS frequencies. This makes the radio versatile for emergency situations. Also, I added a 12v cigar lighter port adapter so that the radio can easily be moved from one vehicle to another. At 25 watts max power it seems to work fine being powered by my 12v port in my Prius. The screen is easy to read in all lighting conditions and all controls are intuitive and easy to use. Audio is loud and clear both receiving signals and transmitting. For the money it’s hard to top this radio. I’ve used radios that were twice the price and not as good an overall package as this RT95.
Also see: https://bit.ly/3Jj1x0F
Talkpod A36Plus (above) GMRS and HAM
512 Channel, 5W Output, AM AIR VHF UHF 7-Band Receive
Unlock = push to talk hold the 8 key and power on to extend frequencies including airband
Purchase link: https://www.amazon.com/Talkpod-A36Plus-Walkie-Channel-Receive/dp/B0C37VH9D2?ref_=ast_sto_dp&th=1
for many photos see: https://www.flickr.com/photos/areaguides/albums/72177720309514495
With this blog post and the videos below you will learn how to use GMRS, FRS and HAM radios together. You may need to unlock your HAM radio so you can transmit on GMRS and FRS frequencies and remove the privacy codes on your GMRS and FRS radios if they have them so you can hear the HAM and other radios on the same channels and frequencies. I use the Chirp software on my MAC. See all videos below!
Also see: https://bit.ly/3Jj1x0F
High-end GMRS option below:
Below is a very good 50 watt mobile GMRS option (WOUXUN KG100G+):
The Midland MXPW500 is a full-featured, turnkey solution for the operation, deployment, and protection of the Midland MXT500 radio.
Waterproof and dustproof when closed, this rugged system houses the Midland radio, microphone, and antenna. Providing a grab and go solution for emergencies or events, as well as an ideal solution for a base station or vehicle use. See video below and: https://portableuniversalpower.com/store/MXPW500-Ammo-Can-Base-Station-for-MXT500-p482922610
Also see this Midland MXT500 mobile GMRS 50 watt radio video review: https://youtu.be/omdXZXG91dM
Below is a J Pole antenna. See more photos at: https://www.flickr.com/photos/areaguides/albums/72177720309871078
Retevis RA25 and RT95 mobile GMRS/HAM hack (videos above).
Alinco DR-MD500T Dual Band DMR Mobile Radio (above)
The Uniden SDS200 Scanner (above)
For photos see: https://www.flickr.com/photos/areaguides/albums/72177720308648083
Buy radios at: TIDRADIO - https://tidradio.com
Also: https://www.buytwowayradios.com
Also: DX Engineering - https://www.dxengineering.com
Retevis RA25 tips:
Programming: https://youtu.be/OsC63afhiSA and https://youtu.be/K88VDV6CvPM
FUN button to enter menu the V/M or MAIN to go up and down in the menu.
MENU 6 = STEP and should be 25k or 2.5k?
For repeater settings:
Menu 10 = offset
Menu 1 = PL Tone (push MON and then use up and down arrows to select the correct tone)
FUN 9 on mic to set - or +
After doing this or any changes be sure to save to memory.
To enter frequency into memory:
Below is the RA25 installed in my Prius:
Having access to reliable communication channels during an emergency is crucial for coordinating rescue efforts, ensuring public safety, and minimizing potential damages. While there are several communication options available, two popular choices for emergency communication are HAM (amateur radio) and GMRS (General Mobile Radio Service). Both HAM and GMRS systems provide valuable advantages that make them indispensable during critical situations.
HAM (amateur radio) is a globally recognized service that allows licensed operators to communicate using a wide range of frequencies. It has been a reliable means of emergency communication for decades and offers several key benefits. First and foremost, HAM operators have the ability to establish communication when traditional means fail. They can operate independently of cellular networks and the internet, making HAM radios a resilient and self-contained communication system.
HAM radio operators often have extensive training and experience, enabling them to effectively handle emergency situations. They possess knowledge of various operating modes, such as voice, Morse code, and digital communications, which allows for versatile and efficient communication. Furthermore, HAM operators can relay information over long distances, connecting different regions and facilitating coordination efforts between emergency responders.
Another advantage of HAM radio is its ability to operate on multiple frequencies, including VHF (Very High Frequency) and UHF (Ultra High Frequency). These frequencies offer better propagation characteristics, allowing signals to travel further and penetrate obstacles more effectively. This feature is particularly valuable in areas with challenging terrain or during events that disrupt traditional communication infrastructure, such as natural disasters or large-scale emergencies.
On the other hand, GMRS (General Mobile Radio Service) is a licensed radio service primarily used for short-range communication. GMRS radios are more commonly found in consumer-grade walkie-talkies or handheld radios and offer advantages in certain emergency situations. GMRS radios have a relatively easy learning curve, making them accessible to the general public. They provide a simple and efficient way for individuals or small groups to communicate within a limited range, typically up to several miles. That said, GMRS mobile radios and base stations can transmit with up to 50 watts of power on some channels and can extend their range with repeaters and directional antennas. This can allow GMRS signals to reach hundreds of miles in some cases.
In emergency scenarios where immediate communication between nearby parties is essential, GMRS radios can facilitate swift coordination and response. They are commonly used by families or small teams during outdoor activities, allowing them to stay connected and share important information. GMRS radios are often equipped with additional features like weather alerts, channel scanning, and hands-free operation, further enhancing their usefulness during emergencies.
While HAM and GMRS radios differ in terms of their scope and capabilities, both play a significant role in emergency communication. HAM radios excel in long-distance communication, interconnecting different regions, and providing a robust and flexible infrastructure. GMRS radios, on the other hand, offer simplicity, convenience, and short-range communication for localized coordination and immediate response.
In summary, the value of having HAM or GMRS communications available in an emergency cannot be overstated. These communication systems provide reliable and independent means of communication when traditional methods fail. They empower individuals, communities, and emergency responders with the ability to share critical information, coordinate efforts, and ensure public safety, ultimately saving lives and mitigating the impact of emergencies.
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