The  New ResQLink PLB-425  of ACR Electronics is the most small  light PLB  on the market.
With its contained dimensions 11.48 cm x 5.16 cm  x 3.78 cm ed the new weight is 148 grams PLink pocket like a cellphone.
 Compared to the old PLB-375 ResQLink, the new PLB-425 ResQLink has been  tested  e made compatible also with the  new MEOSAR satellite system .
Despite its  very small size , the brand new PLB from ACR Electronics presents  grandi peculiarities .
 When  activated , the PLB is capable of  transmit  a digital distress signal on the_digital frequency digital code Mhz . The artificial satellites that make up the backbone of the COSPAS / SARSAT international system are constantly listening on this frequency, the same system that monitors the other emergency beacons such as aeronautical ELTs or nautical EPIRBs. As the latest generation PLB, the ResQLink includes a very powerful 66-channel GPS receiver.
 The  presence of the GPS receiver , a function also implemented on the previous models of PLB ACR Electronics, allows to fix with absolute precision  la position    PLB   (and therefore of the person requesting help) without having to triangulate the signal transmitted to the satellites.
The ResQLink  is able to  transmit the emergency signal with great power : a good 5 watts, which allows it to cross thick layers of cloud formations without problems, or forest coverings.
 Being a PLB the ResQLink is  manually activated   after having completely extracted the antenna. The distress signal is transmitted immediately after pressing the lateral activation key for one second, which is left uncovered by the opening of the antenna folded around the body of the unit. When the PLB ResQLink is activated, it starts flashing at the same time the small strobe light inserted into the body of the device. This strobe light is visible in the dark at several hundred meters. In addition to the digital frequency 406 Mhz, that is the international emergency frequency, the PLB also transmits in "homing" or using the old emergency frequency on 121.5 Mhz.
 Transmission on 121.5 Mhz, an obsolete emergency frequency that has not been monitored for several years, takes place at very low power, allowing signal propagation only with a range limited to a few kilometers. This short-range transmission is precisely defined "homing. ". The reason for all this lies in the fact that SAR (Search And Rescue) helicopters or certain ground rescue teams still use radio direction finders capable of tracking and identifying only the 121.5 Mhz frequency.
 Like all ACR Electronics PLBs, the ResQLink is  perfectly waterproof   and withstands submersion at 5 meters for 1 hour. It is also  float   autonomously in both fresh and salt water.
 The PLB is made in the USA and directly imported from us. The  PLB is recoded according to the customer's nationality . However, we can carry out the encoding of the PLB with any nationality, excluding those that do not yet recognize the PLB as an emergency beacon that can be associated with EPIRBs or ELTs.
 The  coding of the PLB is included in the price . Given its extreme versatility, the PLB can be  used anywhere in the world   (COSPAS / SARSAT coverage is global) and in multiple activities and fields of action : aeronautics, boating, outdoor etc.
 The PLB has no additional costs ,   no subscriptions, no registration fees   at COSPAS / SARSAT.
 Only the  replacement of the lithium battery every 5 years is required  or if the  PLB has been activated .