There is an optimized performance in this RF Transceiver module because it utilizes the Tray package.For high power RF Transceiver operation, 45 pins are used.
MTSMC-G2-IP-ED.R1-SP Features
Tray package 45 pins
MTSMC-G2-IP-ED.R1-SP Applications
There are a lot of Multi-Tech Systems Inc. MTSMC-G2-IP-ED.R1-SP RF Transceiver Modules applications.