BenjoTech

First enhancement of the new Orange Pi 4 SBC board series expected to be available in about two weeks. Following the gained popularity of the Rockchip SoC solution amongst known Chinese brands such as the FriendlyElec Nano Pi M4v2 boards that are also based on the Rockchip RK3399 solution. The new Orange Pi 4 comes with few hardware improvements worth checking. For example, a DC power input port was added for more stable power requirements with an additional USB Type-C port that can be also used to power the board. Another advantage is the 16GB eMMC chip that is soldered on the PCB so you will not have to buy a separate eMMC module. Additional features and highlights worth mentioning are the On-board Microphone unit, Power Management Unit (PMU) chip, 4GB RAM memory, and a 24 pins PCIe Interface. As for the USB ports, In the Orange Pi 4B edition, the company decided to stick with a pair of USB V2.0 without any additional USB 3.0 host port support. According to the company announceme...

  If 2020 was the year of   foldable phones , 2021 is the year of the   Android tablet , with over a year of home working and learning prompting a resurgence in demand for the   previously-struggling   tech form factor. The Xiaomi Pad 5 marks the Chinese tech giant reviving its slate line, which last saw an installment in 2018, though this is actually the first Xiaomi tablet to get a global launch. We’re glad the Xiaomi Pad 5 is getting sold in loads of countries too, because this is a superbly well-rounded tablet that marks the best Android rival to Apple’s popular  entry-level iPad  we’ve seen so far. Not only does the Pad 5 have a price that’s similar to the iPad’s, but it has a better-looking display, almost as much processing power, and a long-lasting battery, making it great as a productivity slate or for entertainment fans, handling gaming and streaming well. The key feature here, that makes the Xiaomi tablet fantastic for productivity, is in th...

  The  Retevis RT82 DMR Dual Band Handheld Radio  is a Motorola Tier I & II compatible DMR radio with 3000 channels, 5 watt output power on VHF and 4 watts UHF.  The folks at Retevis provided me with this model to evaluate so first we’ll take a look at its features and specifications. DMR or Digital Mobile Radio DMR or Digital Mobile Radio is an open standard for digital modulation and a radio communications system. As an open standard, its been embraced by many manufacturers and is used both commercially and in the amateur radio service. The goal of the standard was to create a digital system that is low cost, relatively low complexity, and interoperability across brands. Motorola’s Mototurbo is based on the DMR standard and scores of inexpensive DMR radios are available from overseas manufacturers. In conversations about DMR, you’ve heard about slots or tiers. The specification is designed with three tiers. Tier one and two are for conventional radio systems an...

  Ailunce  HD1 The Ailunce HD1 is a true Dual Band band (UHF / VHF) DMR handheld that can be used as either an FM analog transceiver or Tier II  DMR digital. This is one of the newer DMR transceivers designed specifically with the ham radio operator in mind.     In the Box Included with the radio are the: -  3200mAh Li-Ion Battery -  Belt clip -  Carry Strap -  73 page User Guide – English  -  Charger base & AC adapter -  Antenna – 6.75" (17.1cm)  -  Programming Cable     General Description  -   DMR / FM  -   VHF / UHF Dual Band -   136-174   400-480 MHz  -   1W / 10W transmit  -   3000 channel -   10,000 contacts  -   200,000 DMR User DB contacts       Dual Band Operation   Most new DMR transceivers are going the direction of Dual Band, and the HD1 is no exception. The radio has ...